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Issue DateTitleAuthor(s)TypeAccess
12006Accurate MRCI study of ground-state N2H2 potential energy surfaceBiczysko, M. ; Poveda, L. A. ; Varandas, A. J. C. articleopenAccess
210-Oct-2002Six-Dimensional Energy-Switching Potential Energy Surface for HeHCNAnsari, Wazir-ul H. ; Varandas, António J. C. articleopenAccess
35-Feb-2004Are Vibrationally Excited Molecules a Clue for the “O3 Deficit Problem” and “HOx Dilemma” in the Middle Atmosphere?Varandas, A. J. C. articleopenAccess
430-May-2002Dynamics Study of the OH + O2 Branching Atmospheric Reaction. 4. Influence of Vibrational Relaxation in Collisions Involving Highly Excited SpeciesGarrido, J. D. ; Caridade, P. J. S. B. ; Varandas, A. J. C. articleopenAccess
523-Apr-2009Accurate Double Many-Body Expansion Potential Energy Surface for the Lowest Singlet State of MethyleneJoseph, S. ; Varandas, A. J. C. articleopenAccess
67-Feb-2008A Theoretical Study of Rate Coefficients for the O + NO Vibrational RelaxationCaridade, P. J. S. B. ; Mota, V. C. ; Mohallem, J. R. ; Varandas, A. J. C. articleopenAccess
717-Mar-2005Unimolecular and Bimolecular Calculations for HN2Caridade, P. J. S. B. ; Rodrigues, S. P. J. ; Sousa, F. ; Varandas, A. J. C. articleopenAccess
82007Kinetics and dynamics of O + OClO reaction in a modified many-body expansion potential energy surface for ClO3Teixeira, O. B. M. ; Marques, J. M. C. ; Varandas, A. J. C. articleopenAccess
919-Jan-2006New Double Many-Body Expansion Potential Energy Surface for Ground-State HCN from a Multiproperty Fit to Accurate ab Initio Energies and Rovibrational CalculationsVarandas, A. J. C. ; Rodrigues, S. P. J. articleopenAccess
102003Theoretical studies of unimolecular and bimolecular reactions: from electronic structure to dynamics.Trujillo, Jorge Luís Llanio doctoralThesisembargoedAccess
112008Application of renormalized coupled-cluster methods to potential function of waterPiecuch, Piotr ; Wloch, Marta ; Varandas, António J. C. articleopenAccess
1227-Jun-2002A Direct Evaluation of the Partition Function and Thermodynamic Data for Water at High TemperaturesPrudente, Frederico V. ; Varandas, António J. C. articleopenAccess
1328-Dec-2006Dynamics Study of the OH + O3 Atmospheric Reaction with Both Reactants Vibrationally ExcitedZhang, Lei ; Luo, Pingya ; Huang, Zhiyu ; Varandas, António J. C. articleopenAccess
1422-Feb-2007Recalibrated Double Many-Body Expansion Potential Energy Surface and Dynamics Calculations for HN2Caridade, P. J. S. B. ; Poveda, L. A. ; Rodrigues, S. P. J. ; Varandas, A. J. C. articleopenAccess
152006Extrapolating potential energy surfaces by scaling electron correlation at a single geometryVarandas, A. J. C. ; Piecuch, P. articleopenAccess
1612-Dec-2002Dynamics Study of the O2 + HO2 Atmospheric Reaction with Both Reactants Highly Vibrationally ExcitedZhang, L. ; Varandas, A. J. C. articleopenAccess
172007Trajectory binning scheme and non-active treatment of zero-point energy leakage in quasi-classical dynamicsVarandas, A. J. C. articleopenAccess
181-Sep-2008An ab initio study of the interaction between He and C36 with extrapolation to the one electron basis set limitVarandas, A. J. C. articleopenAccess
192005What are the Implications of Nonequilibrium in the O+OH and O+HO2 Reactions?Varandas, A. J. C. articleopenAccess
2016-Oct-2008Extrapolating to the One-Electron Basis Set Limit in Polarizability CalculationsJunqueira, G. M. A. ; Varandas, A. J. C. articleopenAccess
2117-Jul-2003Dynamics Study of the Reaction S + O2 → SO + O and Its Reverse on a Single-Valued Double Many-Body Expansion Potential Energy Surface for Ground-State SO2Rodrigues, S. P. J. ; Varandas, A. J. C. articleopenAccess
222002Existence of strictly diabatic basis sets for the two-state problemKryachko, Eugene S. ; Varandas, António J. C. articleopenAccess
232005A novel accurate representation of a double-valued potential energy surface by the DMBE method. Application to triplet H3+(a3E')Varandas, António J. C. ; Alijah, Alexander ; Cernei, Mihail articleopenAccess
2414-Oct-2004Dynamics Study of the O + HO2 Reaction Using Two DMBE Potential Energy Surfaces: The Role of Vibrational ExcitationSilveira, Dora M. ; Caridade, Pedro J. S. B. ; Varandas, António J. C. articleopenAccess
2524-Jan-2002Single-Valued Double Many-Body Expansion Potential Energy Surface of Ground-State SO2Rodrigues, S. P. J. ; Sabín, J. A. ; Varandas, A. J. C. articleopenAccess
2625-Apr-2002A VTST Study of the H + O3 and O + HO2 Reactions Using a Six-dimensional DMBE Potential Energy Surface for Ground State HO3Fernández-Ramos, A. ; Varandas, A. J. C. articleopenAccess
272003Cone states of tri-hydrogen isotopomers and criterion for the geometric phase effectVarandas, A. J. C. ; Viegas, L. P. articleopenAccess
282008Dynamics and kinetics of the S + HO2 reaction: A theoretical studyBallester, M. Y. ; Varandas, A. J. C. articleopenAccess
292004Geometric phase effect at N-fold electronic degeneracies in Jahn-Teller systemsVarandas, A. J. C. ; Xu, Z. R. articleopenAccess
302008Can extrapolation to the basis set limit be an alternative to the counterpoise correction? A study on the helium dimerVarandas, A. articleopenAccess
312008Møller-Plesset perturbation energies and distances for HeC20extrapolated to the complete basis set limitVarandas, A. J. C. articleopenAccess
322007Variational transition-state theory study of the atmospheric reaction OH + O3 → HO2+ O 2Ju, Li-Ping ; Han, Ke-Li ; Varandas, António J. C. articleopenAccess
332002A realistic double many-body expansion potential energy surface for from a multiproperty fit to accurate ab initio energies and vibrational levelsVarandas, A. J. C. ; Rodrigues, S. P. J. articleopenAccess
342002On triplet tetraoxygen: ab initio study along minimum energy path and global modellingVarandas, A. J. C. ; Llanio-Trujillo, J. L. articleopenAccess
352003Forbidden transitions in benzeneBorges, I. ; Varandas, A. J. C. ; Rocha, A. B. ; Bielschowsky, C. E. articleopenAccess
3618-Apr-2002Li + Li2 Dissociation Reaction Using the Self-Consistent Potential and Trajectory Surface Hopping MethodsMarques, J. M. C. ; Voronin, A. I. ; Varandas, A. J. C. articleopenAccess
3724-Apr-2008HN2(2A‘) Electronic Manifold. II. Ab Initio Based Double-Sheeted DMBE Potential Energy Surface via a Global Diabatization AngleMota, Vinícius C. ; Varandas, António J. C. articleopenAccess
382006Accurate DMBE Potential Energy Surface For the N(2D) + H2(1S g+ ) Reaction Using an Improved Switching Function FormalismVarandas, A. ; Poveda, L. articleopenAccess
3928-Jul-2008A theoretical study on the HSO2 molecular systemFurones, Maikel Yusat Ballester doctoralThesisopenAccess
402009Potential Energy Surface for Ground-State H2S via Scaling of the External Correlation, Comparison with Extrapolation to Complete Basis Set Limit, and Use in Reaction DynamicsSong, Y. Z. ; Caridade, P. J. S. B. ; Varandas, A. J. C. articleopenAccess
412006A Quantum Wave Packet Dynamics Study of the N(2D) + H2 ReactionChu, Tian-Shu ; Han, Ke-Li ; Varandas, António J. C. articleopenAccess
4214-Sep-2006Predicting Catalysis: Understanding Ammonia Synthesis from First-Principles CalculationsHellman, A. ; Baerends, E. J. ; Biczysko, M. ; Bligaard, T. ; Christensen, C. H. ; Clary, D. C. ; Dahl, S. ; Harrevelt, R. van ; Honkala, K. ; Jonsson, H. ; Kroes, G. J. ; Luppi, M. ; Manthe, U. ; Nørskov, J. K. ; Olsen, R. A. ; Rossmeisl, J. ; Skúlason, E. ; Tautermann, C. S. ; Varandas, A. J. C. ; Vincent, J. K. articleopenAccess
432008Vibrational Relaxation of Highly Vibrationally Excited O3 in Collisions with OHZhang, Lei ; Luo, Pingya ; Huang, Zhiyu ; Chen, Hong ; Varandas, António J. C. articleopenAccess
4427-Apr-2006Ro-Vibrational States of Triplet H2DAlijah, Alexander ; Varandas, António J. C. articleopenAccess
452004A reacção OH+O2 como fonte de ozono na atmosfera : efeito de excitação vibracionalCaridade, Pedro Jorge dos Santos Branco doctoralThesisembargoedAccess
466-Dec-2007Double many-body expansion potential energy surfaces for nitrogen-hydrogen molecular systemsPoveda Calviño, Luis Argel doctoralThesisopenAccess
472003Theoretical studies on five -atom atmospheric reactions : OH(v) + O3, and its reverse.Zhang, Lei doctoralThesisembargoedAccess
482005Vibrational relaxation of highly excited HO2 in collisions with O2Varandas, A. J. C. ; Zhang, L. articleopenAccess
492007Accurate global ab initio potentials at low-cost by correlation scaling and extrapolation to the one-electron basis set limitVarandas, A. J. C. articleopenAccess
5018-Dec-2003Nascent versus “Steady-State” Rovibrational Distributions in the Products of the O(3P) + O3(1A) ReactionCaridade, P. J. S. B. ; Llanio-Trujillo, J. L. ; Varandas, A. J. C. articleopenAccess
Results 1-50 of 56 (Search time: 0.959 seconds).