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Publications
-
A New Empirical Potential Energy Function for Ar2
Philip T. Myatt, Ashok K. Dham, Pragna Chandrasekhar, Frederick R. W. McCourt
and Robert. J. Le Roy, Molecular Physics 116,
1598-1623 (2018).
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Constructing high-accuracy intermolecular
potential energy surface with multi-dimension Morse/long-range
model
Yu Zhai, Hui Li and Robert. J. Le Roy, Molecular
Physics 116, 843-853 (2018).
-
Vibrational energies and full analytic potential energy functions of PbI
and InI from pure microwave data
Ji Ho Yoo Hansjochen Köcker, John C. Mullaney, Susanna L. Stephens, Corey J.
Evans, Nicholas R. Walker and Robert. J. Le Roy, Journal of Molecular
Spectroscopy 330, 80-88 (2016).
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betaFIT: A computer program to fit pointwise potentials to selected
analytic functions
R.J. Le Roy, Journal of Quantitative
Spectroscopy and Radiative Transfer 186, 179-196
(2016).
-
dParFit: A computer program to fit diatomic molecules spectral data to
parameterized level energy expressions
R.J. Le Roy, Journal of
Quantitative Spectroscopy and Radiative Transfer 186,
197-209 (2016).
-
dPotFit: A computer program to fit diatomic molecules pectral data to
potential energy functions
R.J. Le Roy, Journal of
Quantitative Spectroscopy and Radiative Transfer 186,
179-196 (2016).
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LEVEL: A computer program for solving the radial Schrödinger equation
for bound and quasibound levels
R.J. Le Roy, Journal of
Quantitative Spectroscopy and Radiative Transfer 186,
167-178 (2016).
-
RKR1 - A Computer Program implementing the first-order RKR method for
determining diatomic molecule potential energy functions
R.J. Le
Roy, Journal of Quantitative Spectroscopy and Radiative Transfer
186, 158-166 (2016).
-
Full empirical potential curves for the X
1Σ+ and A 1Π states of
CH+ from a direct-potential-fit analysis
Y.-S. Cho and
R.J. Le Roy, Journal of Chemical Physics 144,
024311/1-12 (2016).
-
Raman Vibrational Shifts of Small Clusters of Hydrogen Isotopologues
M. Schmidt, J.M. Fernández, N. Faruk, M. Nooijen, R.J. Le Roy, J. H.
Morilla, G. Tejedai, S. Montero and P.-N. Roy, Journal of Physical
Chemistry A 119, 12551-12561 2015).
-
Dissociation Energies and Potential Energy Functions for
the Ground X 1Σ+ and 'Avoided-Crossing'
A 1Σ+ States of NaH
S.-D. Walji, K.M. Sentjens and R.J. Le Roy, Journal of Chemical
Physics 142, 044305/1-11 (2015).
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First-principles prediction of the Raman shifts in parahydrogen clusters
N. Faruk, M. Schmidt, Hui Li, R.J. Le Roy, and P.-N. Roy,
Journal of Chemical Physics 141, 014310/1-7
(2014).
-
Microwave and infrared spectra of CO-(pH2)2,
CO-(pH2)2 and mixed CO-pH2-He
trimers
X.-L. Zhang, Hui Li, R.J. Le Roy, and P.-N. Roy,
Theoretical Chemistry Accounts 133, 1568/1-13
(2014).
- Direct
Potential Fit Analyses Yield Improved Empirical Potentials for the Ground
X 1Σg+ state of Be2
V.V. Meshkov, A.V. Stolyarov, M.C. Heaven, C. Haugen, R.J. Le
Roy, Journal of Chemical Physics 140, 064315/1-8
(2014).
-
Accurate Analytic Potential and Born-Oppenheimer Breakdown Functions for MgH
and MgD from a Direct-Potential-Fit Data Analysis
R.D.E.
Henderson, A. Shayesteh, J. Tao, C.C. Haugen, P.F. Bernath and R.J. Le Roy
Journal of Physical Chemistry A 117,
133373-133387 (2013).
- The
HITRAN 2012 Molecular Spectroscopic Database
L.S. Rothman, I.E.
Gordon, ... , R.J. Le Roy, and 45 others, Journal of Quantitative
Spectroscopy and Radiative Transfer 130, 4-50
(2013).
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Reference Spectroscopic Data for Hydrogen Halides. Part I: Construction and
Validation of the Ro-Vibrational Dipole Moment Functions
G. Li,
I.E. Gordon, R.J. Le Roy, P.G. Hajigeorgiou, J.A. Coxon, P.F. Bernath and
L.S. Rothman, Journal of Quantitative Spectroscopy and Radiative Transfer
121, 78-90 (2013).
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Direct-Potential-Fit Analysis for the A 3Π1u-
X 1Σg+ System of Br2
T. Yukiya, N. Nishimiya, Y. Samajima, K. Yamaguchi, M. Suzuki,
C.D. Boone, I. Ozier and R.J. Le Roy, Journal of Molecular Spectroscopy
283, 32-43 (2013).
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Analytic Morse/long-range potential energy surfaces and predicted infrared
spectra for CO-H2 dimer and frequency shifts of CO in
(para-H2)N N= 1-20 clusters
H. Li, X.-.L. Zhang, R. J. Le Roy, and P.-N. Roy, Journal of Chemical
Physics 139, 164315/1-15 (2013).
- A
new six-dimensional potential energy surface for H2-N2O
and its adiabatic-hindered-rotor treatment
L. Wang, D. Xie, R. J.
Le Roy, and P.-N. Roy, Journal of Chemical Physics
139, 034312/1-10 (2013).
- On the
analytical representation of free energy profiles with a Morse/Long-Range
model: Application to the water dimer
Y. Tritzant-Martinez, T.
Zeng, A. Broom, E. Meiering, R. J. Le Roy, and P.-N. Roy, Journal of
Chemical Physics 138, 234203/1-12 (2013).
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A new four-dimensional it ab initio potential energy surface for
N2O-He and vibrational band origin shifts for the
N2O-HeN clusters with N= 1-40
L. Wang,
D. Xie, R. J. Le Roy, and P.-N. Roy, Journal of Chemical Physics
137, 104311/1-7 (2012).
-
Persistent Molecular Superfliud Response in Doped Para-Hydrogen Clusters,
P. L. Raston, W. Jaeger, H. Li, R. J. Le Roy and P.-N. Roy,
Physical Review Letters 108, 253401/1-5 (2012).
-
Rapid, accurate calculation of the s-wave scattering length
V. V.
Meshkov, A. V. Stolyarov and R. J. Le Roy, Journal of Chemical Physics
A 135, 154108/1-11 (2011).
-
"Adiabatic-hindered-rotor" treatment of the parahydrogen-water complex
T. Zeng, H. Li, R. J. Le Roy, and P.-N. Roy, Journal of Chemical
Physics 135, 094304/1-15 (2011).
- A DPF
Data Analysis Yields Acurate Analytic Potentials for Li2(a
3Sigmau+) and Li2(1
3Sigmag+) That Incorporate 3-State Mixing
Near the 1 3Sigmag+)-state Asymptote
N. Dattani and R.J. Le Roy, Journal of Molecular Spectroscopy
267, 199-210, (2011).
-
Theoretical and Experimental Study of Weakly Bound
CO2-(pH2)2 Trimers
H. Li,
A.R.W. McKellar, R.J. Le Roy and P.-N. Roy, Journal of Physical
Chemistry A 115, 7327-7337, (2011).
-
Superfluid Response of 4HeN-N2O Clusters
Probed by Path-Integral Monte Carlo Simulations
L. Wang, D. Xie,
H. Guo, H. Li, R.J. Le Roy and P.-N. Roy, Journal of Molecular
Spectroscopy 267, 136-143, (2011).
-
Long-Range Damping Functions Improve the Short-Range Behaviour of `MLR'
Potential Energy Functions
R.J. Le Roy, C.C. Haugen, J. Tao and H.
Li, Molecular Physics 109, 435-446, (2011).
-
Determining Equilibrium Structures and Potential Energy Functions for
Diatomic Molecules
R.J. Le Roy, Chapter 6 (pp. 159-203) of
Equilibrium Structures of Molecules , J. Demaison and A. G. Csaszar
editors, Taylor & Francis, London (2011).
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Theoretical Study of the Microwave Spectrum of Isotopologues of
OCS-(He)2
H. Li, Y. Liu, W. Jaeger, R.. Le Roy and
P.-N. Roy, Canadian Journal of Chemistry 88,
1146-1153, (2010).
-
Rovibrational Structure and Potential Energy Function of the X0+
Ground Electronic State of ArXe
L. Piticco, F. Merkt, A.A.
Cholewinski, F.R.W. McCourt and R.J. Le Roy, Journal of Molecular
Spectroscopy 264, 83-93, (2010).
- A
Molecular Superfluid: Nonclassical Rotations in Doped para-Hydrogen
Clusters
H. Li, R.J. Le Roy, P.-N. Roy and A.R.W. McKellar,
Physical Review Letters 105, 133401/1-4 (2010).
-
An "Adiabatic-Hindered-Rotor" Treatment Allows para-H2 to be
Treated as if it were Spherical
H. Li, P.-N. Roy and R.J. Le Roy,
Journal of Chemical Physics 133, 104305/1-9
(2010).
-
Analytic Morse/Long-Range Potential Energy Surfaces and Predicted Infrared
Spectra for CO2-H2
H. Li, P.-N. Roy and
R.J. Le Roy, Journal of Chemical Physics 132,
214309/1-14 (2010).
- Accurate
Analytic Potentials for Li2(X
1Sigmag+) and Li2(A
1Sigmau+) from 2 to 90 Angst, and the
Radiative Lifetime of Li(2p)
R.J. Le Roy, N.S. Dattani, J.A.
Coxon, A.J. Ross, P. Crozet and C. Linton, Journal of Chemical
Physics 131, 204309/1-17 (2009).
- Bound
States and Microwave Spectrum of N2-He Van der Waals Complexes
H. Li, R.J. Le Roy and F.R.W. McCourt, Journal of Chemical
Physics 130, 244503/1-7 (2009).
-
Path-Integral Monte Carlo Simulation of nu3 Vibrational Shifts for
CO2 in (He)n Clusters Critically Tests the
He-CO2 Potential Energy Surface
H. Li, N. Blinov, P-N.
Roy and R.J. Le Roy, Journal of Chemical Physics
130, 144305/1-11 (2009).
- Pathways
and Reduced-Dimension Five-Dimensional Potential Energy Surface for the
Reactions H3+ + CO --> H2 + HCO+
and H3+ + CO --> H2 + HOC+
H. Li, T. Hirano, T. Amano and R.J. Le Roy, Journal of Chemical
Physics 129, 244306/1-8 (2008).
-
Adaptive Analytic Mapping Procedure for Efficiently Solving the Radial
Schroedinger Equation
V.V. Meshkov, A.V. Stolyarov and R.J. Le
Roy, Physical Review A 78, 0525101/11 (2008).
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Analytic Three-Dimensional 'MLR' Potential Energy Surface for
CO2-He, and its Predicted Microwave and Infrared Spectra
H. Li and R.J. Le Roy, Physical Chemistry Chemical Physics
10, 4128-4137 (2008).
- Ground
State Potential Energy Curve and Dissociation Energy of MgH
A.
Shayesteh, R.D.E. Henderson, R.J. Le Roy and P.F. Bernath, Journal of
Physical Chemistry A 111, 12495-12505 (2007).
-
Spectroscopic Properties of MgH2, MgD2 and MgHD
Calculated from a New ab initio Potential Energy Surface
H. Li and R.J. Le Roy, Journal of Physical Chemistry A
111, 6248-6255 (2007).
-
The Quadrupole Moment Function and Absolute Infrared Quadrupolar Intensities
for N2
H. Li and R.J. Le Roy, Journal of Chemical
Physics 126, 224301/1-9 (2007).
- A Full
Analytic Potential Energy Curve for the a 3Sigma+ State of KLi from a limited
vibrational data set
H. Salami, A.J. Ross, P. Crozet, W.
Jastrzebski, P. Kowalczyk and R.J. Le Roy, Journal of Chemical
Physics 126, 194313/1-9 (2007).
- A New
Potential Function Form Incorporating Extended Long-Range Behaviour:
Application to Ground-State Ca2
R.J. Le Roy and R.D.E.
Henderson Molecular Physics 105, 663-677 (2007),
-
An accurate analytic potential function for ground-state N2 from
a direct-potential-fit analysis of spectroscopic data
R.J. Le
Roy, Y. Huang, and C. Jary, Journal of Chemical Physics
125, 1643101-12 (2006).
-
Orbital invariant single-reference coupled electron pair approximation with
extensive renormalized triples correction
M. Nooijen and R.J. Le
Roy, Journal of Molecular Structure: THEOCHEM 768,
25-43 (2006).
- An
accurate ab initio potential energy surface and calculated
spectroscopic properties for BeH2, BeD2 and BeHD
H. Li and R.J.
Le Roy, Journal of Chemical Physics 125, 87-96
(2006).
-
Resolution of a convegence problem in direct-potential-fit data analyses.
Applications to GaH(X1Sigma+) and ArH+(X1Sigma+)
M. Rey, V.G.
Tyuterev, J.A. Coxon, and R.J. Le Roy, Journal of Molecular
Spectroscopy 238, 260-263 (2006).
-
Multi-isotopologue analyses of new vibration-rotation and pure rotation
spectra of ZnH and CdH
A. Shayesteh, R.J. Le Roy, T.D. Varberg,
and P.F. Bernath, Journal of Molecular Spectroscopy
237, 87-96 (2006).
- Near
infrared emission spectra of CoH and CoD
I.E. Gordon, R.J. Le
Roy, and P.F. Bernath, Journal of Molecular Spectroscopy
237, 11-18 (2006).
-
On the X1Sigma+, A2Pi and C2Sigma+ states of BeH, BeD and BeT,
R.J. Le Roy, D.R.T. Appadoo, R. Colin and P.F. Bernath, Journal of
Molecular Spectroscopy 236, 178-188 (2006).
-
Calculation of absolute scattering phase shifts,
H. Wei and
R.J. Le Roy, Molecular Physics 104, 147-150
(2006).
-
Direct-potential-fit analysis of new infrared and visible A1Sigma+ -
X1Sigma+ emission spectra of AgH and AgD,
R.J. Le Roy, D.R.T.
Appadoo, K. Anderson, A. Shayesteh, I.E. Gordon and P.F. Bernath,
Journal of Chemical Physics 123, 204304:1-12
(2005).
- A
reliable new three dimensional potential energy surface for H2-Kr
H. Wei, R.J. Le Roy, R. Wheatley and W.J. Meath, Journal of Chemical
Physics 122, 084321:1-18 (2005).
- Geometry
of the CaOCH3 radical from isotope effects in the A 2E - X 2A1 transition
P. Crozet, A.J. Ross, C. Linton, A.G. Adam, W.S. Hopkins and R.J.
Le Roy, Journal of Molecular Spectroscopy 229,
224-230 (2005).
- Algebraic
vs. Numerical Methods for Analysis of Diatomic Spectral Data: A Resolution
of Discrepancies
R.J. Le Roy, Journal of Molecular
Spectroscopy 228, 92-104 (2004).
- Isotope
effects and Born-Oppenheimer breakdown in excited singlet states of the
lithium dimer
A. Adbohi-Krou, F. Martin, A.J. Ross, C. Linton
andd R.J. Le Roy, Journal of Chemical Physics 121,
6309-6316 (2004).
- Probing
Excited Electronic States Using Vibrationally Mediated Photolysis:
Application to Hydrogen Iodide,
J.P. Camden, H.A. Bechtel, D.J.
Ankeny Brown, A.E. Pomerantz, R.N. Zare and R.J. Le Roy, Journal of
Physical Chemistry A 108, 7806-7813 (2004).
- Photo
double ionization spectra of CO: comparison of theory with experiment
J.H.D. Eland, M. Hochlaf, G.C. King, P.S. Kreynin, R.J. Le Roy,
I.R. McNab and J.-M. Robb, Journal of Physics B: (Atomic, Molecular and
Optical Physics) 37, 3197-3214 (2004).
-
Fourier transform infrared emission spectra of MgH and MgD
A. Shayesteh, D.R.T. Appadoo, I. Gordon, R.J. Le Roy and P.F.
Bernath, Journal of Chemical Physics 120,
10002-10008 (2004).
- Potential
Energy, Lambda Doubling and Born-Oppenheimer Breakdown Functions for the
B 1Πu 'Barrier' State of
Li2
Y. Huang and R.J. Le Roy, Journal of Chemical
Physics 119, 7398-7416 (2003).
- Fourier
transform spectroscopy of chemiluminescence from the A' 1Π-X
1Σ+ system of SrO
R.H. Skelton, H. Li, C.D.
Boone, R.J. Le Roy, P.F. Bernath, C. Focsa and B. Pinchemel, Journal of
Molecular Spectroscopy 219, 1-12 (2003).
-
Born-Oppenheimer breakdown in a Combined-Isotopomer Analysis of the A
1Sigmau+- X 1Sigmag+ System of Li2
X. Wang, J. Magnes, A.M.
Lyyra, A.J. Ross, F. Martin, P.M. Dove and R.J. Le Roy Journal of
Chemical Physics 117, 9339-9346 (2002);
Erratum, Journal of Chemical Physics 120, 3520
(2004).
-
1 Potential, 2 Potential, 3 Potential -- 4: Untangling the UV
Photodissociation Spectra of HI and DI
R.J. Le Roy, G.T. Kraemer
and S. Manzhos, Journal of Chemical Physics 117,
9353-9369 (2002).
- Collisional
broadening and shifting of Raman lines, and the potential energy surface for
H2-Ar
L. Waldron, W.-K. Liu and R.J. Le Roy, Journal of
Structure (Theochem) 591, 245-253 (2002).
-
Representing
Born-Oppenheimer Breakdown Radial Correction Functions for Diatomic
Molecules
R.J. Le Roy and Y. Huang, Journal of Molecular
Structure (Theochem) 591, 175-187 (2002)
-
Fourier
Transform Spectroscopy of the A'1Pi-X1Sigma+ system of CaO
C.
Focsa, A. Pochet, B. Pinchemel, R.J. Le Roy and P.F. Bernath, Journal of
Molecular Spectroscopy 203, 330-338 (2000).
-
Direct
Potential Fit Analysis of the X-State of Rb2: Nothing Else Will Do
J.Y. Seto, R.J. Le Roy, J. Verges and C. Amiot, Journal of Chemical
Physics 113, 3067-3076 (2000).
-
Fourier
transform spectroscopy of BaO: new ground-state constants from the A
1Sigma+-X1Sigma+ chemiluminescence
H. Li, C. Focsa, B. Pinchemel,
R.J. Le Roy and P.F. Bernath, Journal of Chemical Physics
113, 3026-3033 (2000).
-
Dipole
Moment Surfaces and the Mid- and Far-IR Spectra of N2-Ar
F. Wang,
F.R.W. McCourt and R.J. Le Roy, Journal of Chemical Physics
113, 98-106 (2000).
-
A
`Modified Lennard-Jones Oscillator' Model for Diatom Potential Energy
Functions
P. Hajigeorgiou and R.J. Le Roy, Journal of Chemical
Physics 112, 3949-3957 (2000).
-
Molecular
constants and Rydberg-Klein-Rees (RKR) potential curve for the Na2
13Σg- state
Y. Liu, J. Li, D.
Chen, Li Li, K. Jones, B. Ji and R.J. Le Roy, Journal of Chemical
Physics 111, 3494-3497 (1999). Errata: Journal
of Chemical Physics
117, 6380 (2002) and Journal of Chemical Physics
120, 3044 (2004).
-
Interpreting vibrationally resolved spectra of molecular dications (doubly
positively charged molecules): HCl2+
F.R. Bennett,
A.J.J. Critchley, G.C. King, R.J. Le Roy and I. McNab, Molecular
Physics 97, 35-42 (1999).
-
Vibration-Rotation Emission Spectra and Combined Isotopomer Analyses for the
Coinage Metal Hydrides: CuH & CuD, AgH & AgD, and AuH &
AuD
J.Y. Seto, Z. Morbi, F. Charron, S.K. Lee, P.F. Bernath and
R.J. Le Roy, Journal of Chemical Physics 110,
11756-11767 (1999).
- FTIR
Emission Spectra and Molecular Constants for DCl
T. Parekunnel, T.
Hirao, R.J. Le Roy and P.F. Bernath, Journal of Molecular
Spectroscopy 195, 185-191 (1999).
-
Improved Parameterization for Diatom Born-Oppenheimer Breakdown Effects, and
a New Combined-Isotopes Analysis for HF and DF
R.J. Le Roy,
Journal of Molecular Spectroscopy 194, 189-196
(1999).
- FTIR
Emission Spectra, Molecular Constants, and Potential Curve of Ground State
GeO
E.G. Lee, J.Y. Seto, T. Hirao, P.F. Bernath and R.J. Le Roy,
Journal of Molecular Spectroscopy 194, 197-202
(1999).
-
How
Do Quantum Effects Change Conclusions About Heterogeneous Cluster Behaviour
Based on Classical Mechanics Simulations
D.J. Chartrand and R.J.
Le Roy, Journal of Chemical Physics 108, 8626-8639
(1998).
-
Where Is The Intensity Maximum in a Pure Rotational Spectrum?
R.J. Le Roy, Journal of Molecular
Spectroscopy 192, 237-238 (1998).
-
Uncertainty, Sensitivity, Convergence and Rounding in
Performing and Reporting Least-Squares Fits
R.J. Le Roy, Journal of Molecular
Spectroscopy 191, 223-231 (1998).
-
Comprehensive analysis of the A-X spectrum of I2: An
application of near-dissociation theory
D.R.T. Appadoo, R.J. Le
Roy, , P.F. Bernath, S. Gerstenkorn, P. Luc, J. Verg\'es, J. Sinzelle and J.
Chevillard and Y. D'Aignau, Journal of Chemical Physics
104, 903-913 (1996).
-
Use of simulated spectra to test N2-Ar pair potentials and dipole
moment surfaces
F. Wang, F.R.W. McCourt and R.J. Le Roy,
Molecular Physics 88, 821-840 (1996).
-
Linewidths and shifts of very low temperature CO in He: A challenge for
theory or experiment?
M. Thachuk, C.E. Chuaqui and R.J. Le Roy,
Journal of Chemical Physics 105, 4005-4014
(1996).
- A
reliable new potential energy surface for H2-Ar
C.
Bissonnette, C.E. Chuaqui, K.G. Crowell, R.J. Le Roy,, R.J. Wheatley and
W.J. Meath, Journal of Chemical Physics 105,
2639-2653 (1996).
-
Determination of the long-range potential and dissociation energy of the 1
3Δg state of Na2
B. Ji,
C-C. Tsai, Li Li, T.-J. Whang, A.M. Lyyra, H. Wang, J.T. Bahns, W.C.
Stwalley, and R.J. Le Roy, Journal of Chemical Physics
103, 7240-7254 (1995).
-
Near-dissociation expansions and dissociation energies for
Mg+-(rare gas) bimers
R.J. Le Roy, Journal of
Chemical Physics 101, 10212-10228 (1994).
-
High-Resoution visible spectrum for the
A3Π(1)-X1Σ+ system of IBr
D.R.T. Appadoo, P.F. Bernath and R.J. Le Roy, Journal of
Chemical Physics 72, 1265-1272 (1994).
-
Infrared spectrum and potential energy surface of He-CO
C. Chuaqui, R.J. Le Roy, and A.R.W. Mckellar, Journal of
Chemical Physics 101, 39-61 (1994).
-
Improved Modelling of Atom-Molecule Potential-energy Surfaces: Illustrative
Application to He-CO
R.J. Le Roy, C. Bissonnette, T.H. Wu, A.
Dham, and W.J. Meath, Faraday Disc. Chem. Soc. 97,
81-94 (1994).
-
An efficient new method for calculating eigenvalues and spectra of van der
Waals complexes
T. Slee and R.J. Le Roy, Journal of Chemical
Physics 99, 360-376 (1993).
-
Effect of three-body forces on the statics and dynamics of
SF6-(Rg)n and (Rg)13 clusters
D.J. Chartrand, R.J. Le Roy, A. Kumar, and W.J. Meath. Journal of
Chemical Physics 98, 5668-5678 (1993).
-
Determining repulsive Potentials of InAr from oscillatory bound continuum
emission
W.M. Fawzy, R.J. Le Roy, B.Simard, H. Niki, and P.A.
Hackett, Journal of Chemical Physics 98, 140-149
(1993).
-
Jet Emission Spectra of CdI and HgI and Near-Dissociation Theory Analyses for
CdI and ZnI
K.J. Jordan, R.H. Lipson, N. A. McDonald, and R.J. Le
Roy, Journal of Physical Chemistry 92, 4778-4787
(1992).
-
Infrared signatures for isomerization and melting in inhomogeneous van der
Waals clusters
M.A. Kmetic, and R.J. Le Roy, Journal of
Chemical Physics 95, 6271-6283 (1991).
-
Direct determination of long-range inverse-power potential coefficients from
spectroscopic data
M.R. Davies, J.C. Shelley and R.J. Le Roy,
Journal of Chemical Physics 94, 3479-3495
(1991).
-
Pulling, Packing and Stacking: Structural Proclivities of
SF6-(rare gas)n van der Waals Clusters
D.J.
Chartrand, J.C. Shelley and R.J. Le Roy, Journal of Physical Chemistry
95, 8310-8328 (1991).
-
Accurate Thermodynamic Properties of the Six Isotopomers of Diatomic Hydrogen
R.J. Le Roy, S.G. Chapman, and F.R.W. McCourt, Journal of
Physical Chemistry 94, 923-929 (1990).
-
Bound Continuum Intensities - A Computer Program for Calculating Absorption
Coefficients, Emission Intensities or (Golden Rule) Predissociation Rates
R.J. Le Roy, Computer Physics Communications
52, 383-395 (1989).
-
An inversion procedure for oscillatory continuum spectra: Method and
application to NaK
R.J. Le Roy, W.J.Keogh and M.S. Child,
Journal of Chemical Physics 89, 4564-4578
(1988).
- Two-
vs. Three-Dimensional Melting and Spontaneous Reversing
Isomerization in Isolated SF6-(Ar)n Van der Waals Clusters
J.C. Shelley, R.J. Le Roy and F.G. Amar Chemical Physics
Letters 152, 14-22 (1988).
- Monte
Carlo simulations of structural properties and infrered spectra of
SF6-(Ar)n clusters
D. Eichenauer
and R.J. Le Roy, Journal of Chemical Physics 88,
2898-2912 (1988).
-
Improved potential energy surfaces for the interaction of H2 with
Ar, Kr, and Xe
R.J. Le Roy and J.M. Hutson, Journal of
Chemical Physics 86, 837-853 (1987).
-
Nonadiabatic Eigenvalues and Adiabatic Matrix Elements for all Isotopes of
Diatomic Hydrogen
C. Schwartz and R. J. Le Roy, Journal of
Molecular Spectroscopy 121, 420-439 (1987).
-
Near-Dissociation Expansion Representation of Large Spectroscopic Data Sets:
the B(3Π0u+) →
X(1Σg+) System of I2
J.W. Tromp and R. J. Le Roy, Journal of Molecular
Spectroscopy 109, 352-367 (1985).
- The
secular equation/perturbation theory method for calculating spectra of Van
der Waals complexes
J.M. Hutson and R.J. Le Roy, Journal of
Chemical Physics 83, 1197-1203 (1985).
-
Vibrational predissociation of small Van der Waals molecules
R.
J. Le Roy, Chapt. 13, pp. 231-262 of "Resonances in Electron-Molecule
Scattering, Van der Waals Complexes, and Reactive Chemical Dynamics"
American Chemical Society Symposium Series 263,
D. G. Truhlar, editor (1984)
.
-
Determining the anisotropic interaction potential of D2-Ar from
rotationally inelastic cross sections
U. Buck, H. Meyer and R.J.
Le Roy, Journal of Chemical Physics 80, 5589-5597
(1984).
-
Functional for for representing all vibrational eigenvalues of a diatomic
molecule state. IV. Application to the Br2
B(3Π0u+) state
C.L.
Beckel, R. B. Kwong, A.-R. Hashemi-Attar and and R. J. Le Roy, Journal
of Chemical Physics 81, 66-72 (1984).
- A
two-isotope higher-order RKR-type inversion procedure
C. Schwartz
and R.J. Le Roy, Journal of Chemical Physics 81,
3996-4001 (1984).
-
Orbiting resonance model for recombination of physisorbed atoms
C. Schwartz and R.J. Le Roy, Journal of Chemical Physics
81, 4149-4159 (1984).
- Level
energies and infrared radiative lifetimes of the muonic molecule
Heμ+
P. G. Fourner and R. J. Le Roy,
Chemical Physics Letters 110, 487-490 (1984).
-
Theoretical Investigation of the Diatomic Di-cation CH2+
R. W. Wetmore, R. K. Boyd and R.J. Le Roy, Journal of Physical
Chemistry 88, 6318-6328 (1984).
- An
RKR-like inversion procedure for bound-continuum transition intensities
M. S. Child and H. Essén and R.J. Le Roy, Journal of
Chemical Physics 78, 6732-6740 (1983).
-
Predissociation of HD-Ar Van der Waals complexes by internal rotation
J. M. Hutson and R.J. Le Roy, Journal of Chemical Physics
78, 4040-4043 (1983).
-
Vibrational predissociation of H2-, D2- and HD-Ar Van
der Waals complexes
J. M. Hutson and C. J. Ashton and R.J. Le
Roy, Journal of Physical Chemistry 87, 2713-2720
(1983).
-
Reliability of high-order phase-integral eigenvalues for single and double
minimum potentials
R. Paulsson, F. Karlsson and R.J. Le Roy,
Journal of Chemical Physics 79, 4346-4354
(1983).
-
Re-examinatiuon of the I2 spectrum near the
B(3Π0u+) state dissociation
limit
J. W. Tromp, R.J. Le Roy, S. Gerstenkorn and P. Luc,
Journal of Molecular Spectroscopy 100, 82-94
(1983).
-
Predissociation of Weak-anisotropy Van der Waals Molecules. Theory,
Approximations and Practical Predictions
R.J. Le Roy, G.C. Corey
and J.M. Hutson, Faraday Disc. Chem. Soc. 73,
339-355 (1982).
-
Efficient calculation of high-order semiclassical scattering phase shifts
P. Pajunen and R.J. Le Roy, Journal of Chemical Physics
77, 3527-3532 (1982).
- An
improved method of representing and extrapolating diatomic molecule
rotational constants
J. W. Tromp and R. J. Le Roy, Canadian
Journal of Physics 60, 26-34 (1982).
-
Applications of Bohr Quantization in diatomic molecule spectroscopy
R.J. Le Roy, chapter 3 (pp. 109-126) in "Semiclassical Methods in
Molecular Scattering and Spectroscopy", M.S. Child, editor, Series C,
Mathematical and Physical Sciences, Vol. 53, D.
Reidel (1980).
-
Energy-Partitioning Tunneling Model and Prediction of "Low" A Factors
for Intramolecular Hydrogen Transfer Reactions
R.J. Le Roy,
Journal of Physical Chemistry 84, 3508-3516 (1980).
-
Tunneling Model for Hydrogen Abstraction Reactions in Low-Temperature
Solids. Applications to Reactions in Alcohol Glasses and Acetonitrile
Crystals
R.J. Le Roy, H. Musai and F. Williams, Journal of
the American Chemical Society 102, 2325-2334 (1980).
-
Spectroscopy and potential energy surfaces of Van der Waals molecules
R.J. Le Roy and J. S. Carley, pp. 353-420 of Advances in Chemical
Physics 49 "Potential Energy Surfaces", K. P. Lawley,
Editor (1980).
-
Theory of deviations from the limiting near-dissociation behaviour
of diatomic molecules
R.J. Le Roy, Journal of
Chemical Physics 73, 6003--6012 (1980).
-
Near-Dissociation Expansions in the Spectroscopic Determination of Diatomic
Dissociation Energies: Method and Application to BeAr+
R.J. Le
Roy and W.-H. Lam, Chemical Physics Letters 71,
544-548 (1980).
-
Comment Regarding Potential Functions, Level Spacings and Thermodynamic
Properties of Van der Waals Molecules
R.J. Le Roy, Chemical
Physics Letters 67, 207-211 (1979).
-
Evaluation of high-order JWKB phase integrals
M. G. Barwell, R.J.
Le Roy, P. Pajunen and M. S. Child Journal of Chemical Physics
71, 2618-2623 (1979).
-
Widths (lifetimes) and energies for metastable levels of atom-diatom
complexes
J. E. Grabenstetter and R.J. Le Roy Chemical
Physics 42, 41-52 (1979).
-
Effect of asymmetric isotopic substitution on atom-diatom potentials
W.-K. Liu, J. E. Grabenstetter, R.J. Le Roy and F. R. McCourt,
Journal of Chemical Physics 68, 5028-5031 (1978).
-
Energies and widths of quasibound levels (orbiting resonances) for spherical
potentials
R.J. Le Roy and W.-K, Liu Journal of Chemical
Physics 69, 3622-3631 (1978).
-
On the application, breakdown and Near-Dissociation behaviour of the
higher-order JWKB quantization condition
S. M. Kirschner and
R.J. Le Roy Journal of Chemical Physics 68,
3139-3148 (1978).
- On
Calculating Phase Shifts and Performing Fits to Scattering Cross Sections or
Transport Properties
J.W. Hepburn and R.J. Le Roy, Chemical
Physics Letters 57, 304-310 (1978).
-
Radial matrix elements and dipole moment function for the ground state of CO
S. M. Kirschner, R.J. Le Roy, J. F. Ogilvie and R. H. Tipping
Journal of Molecular Spectroscopy 65, 306-312
(1977).
-
Diatom potential curves and transition moment functions from
continuum absorption coefficients: Br2
R.J. Le Roy, R.G. Macdonald and G. Burns, Journal of Chemical
Physics 65, 1485-1500 (1976).
-
Determining potential energy constants for atom- and molecule-surface
interactions
R. J. Le Roy Surface Science
59, 541-553 (1976).
-
Periodicity of the Oscillatory J dependence of diatomic molecule
Franck-Condon factors
R. J. Le Roy and E. R. Vrscay
Canadian Journal of Physics 53, 1560-1572 (1975).
-
Ground State D2 Dissociation Energy from the Near-Dissociation
Behaviour of Rotational Level Spacings
R. J. Le Roy and M. G.
Barwell, Canadian Journal of Physics 53, 1983-1990
(1975).
-
Intermolecular Potentials and Isotope Effects for Molecular Hydrogen-Inert
Gas Complexes
H. Kreek and R.J. Le Roy, Journal of Chemical
Physics 63, 338-344 (1975).
-
On the
dissociation energy and interaction potential of ground-state Ne2
R. J. Le Roy, M. L. Klein and I. J. McGee, Molecular
Physics 28, 587-591 (1974).
-
Comment on the UV resonance spectrum and ground-state dissociation energy of
I2
R. D. Verma and R.J. Le Roy, Journal of
Chemical Physics 61, 438 (1974).
-
Anisotropic Intermolecular Potentials from an Analysis of Spectra of
H2- and D2-Inert Gas Complexes
R.J. Le Roy
and J. van Kranendonk, Journal of Chemical Physics
61, 4750-4769 (1974).
-
Long-range potential coefficients from RKR turning points: C6 and
C8 for B(3Π0u+)-state
Cl2, Br2 and I2
R. J. Le Roy
Canadian Journal of Physics 52, 246-256 (1974).
-
Energy Levels of a Diatomic Near Dissociation
R.J. Le Roy,
Molecular Spectroscopy -Volume 1, A Specialist Periodical Report
of the Chemical Society (London) 57, R.F. Barrow, D.A.
Long and D.A. Millen, Editors, p. 113-176
(1973).
-
Improved spectroscopic data synthesis for
I2(B3Π0u+) and
predictions of J dependence for
B3Π0u+)-X(1Σg+)
transition intensities
J. D. Brown, G. Burns and R. J. Le Roy,
Canadian Journal of Physics 51, 664-1677 (1973).
-
Dependence of the diatomic rotational constant Bv on the
long-range internuclear potential
R.J. Le Roy Canadian Journal of
Physics 50, 953-959 (1972).
- Quantum
mechanical tunneling in hydrogen atom abstraction for solid acetonitrile at
77-87 K,
R.J. Le Roy Journal of Physical Chemistry
76, 546-551 (1972).
- Improved
Spectroscopic Dissociation Energy for Ground-State Ar2
R.J. Le Roy Journal of Chemical Physics 57, 573-574
(1972).
-
Eigenvalues and Certain expectation values for all bound and quasibound
levels of ground-state (X 1Σ_g+)
H2, HD and D2
R.J. Le Roy, Journal of
Chemical Physics 54, 5433-5434 (1971).
-
Shape resonances and rotationally predissociating levels: the atomic
collision time-delay functions and quasibound level properties of
H2 (X 1Σ_g+)
R.J. Le Roy and R.B, Bernstein, Journal of Chemical Physics
54, 5114-5126 (1971).
-
Analysis of the long-range internuclear potentials of
B(3Π0u+)-state Br2
and Cl2
R.J. Le Roy, Journal of Molecular
Spectroscopy 39, 175-279 (1971).
-
Dissociation Energies and Long-Range Potentials of Diatomic Molecules From
Vibrational Spacings: The Halogens
R.J. Le Roy and R. B. Bernstein, Journal of Molecular
Spectroscopy 37, 109-130 (1971).
-
Permeability of One-DimensionalPotential Barriers
R.J. Le Roy, K.
A. Quickert and D. J. Le Roy, Transactions of the Faraday Society
66, 2997-3006 (1970).
-
Recombination of Iodine Atoms in Dilute Solutions of Argon
G.
Burns, R. J. Le Roy D. J. Morriss and J. A, Blake, Proceedings of the
Royal Society A 316, 81-96 (1970).
-
Dissociation Energy and Long-Range Potential of Diatomic Molecules from
Vibrational Spacings of Higher Levels
R.J. Le Roy and R.B,
Bernstein, Journal of Chemical Physics 52,
3869-3879 (1970).
-
Molecular constants and internuclear potential of ground-state molecular
iodine
R.J. Le Roy, Journal of Chemical Physics
52, 2683-2689 (1970).
-
Spectroscopic reassignment and ground-state dissociation energy of molecular
iodine
R.J. Le Roy, Journal of Chemical Physics
52, 2678-2682 (1970).
-
Dissociation Energy of Diatomic Molecules from Vibrational Spacings of
Higher Levels: Application to the Halogens
R.J. Le Roy and R.B,
Bernstein, Chemical Physics Letters 5, 42-44
(1970).
-
Dissociation energy and vibrational terms of ground-state (X
1Σg+) hydrogen
R.J. Le Roy
and R. B. Bernstein, Journal of Chemical Physics
49, 4312-4321 (1968).
- A
method for testing and improving molecular constants of diatomic molecules
with special reference to
Br2(1Σg+)
R.J. Le
Roy and G. Burns, Journal of Molecular Spectroscopy
25, 77-85 (1968).