121

"Active sites of Pt surfaces from ab initio cluster model molecular electrostatic potential maps" by S. Zurita, J. Rubio and F. Illas, Electrochimica Acta, 41 (1995) 2275

120

"Performance of correlation functionals in ab initio chemisorption cluster model calculations: Alkali metals on Si (111)" by A. Clotet, J.M. Ricart, J.Rubio, , F.Illas, E. San Fabián and F. Moscardó, Phys.Rev.B.,52 (1995) 11998

119

"Origin of the vibrational shift of CO chemisorbed on Pt (111)" by F.Illas, S.Zurita, J.Rubio and A.M. Marquez, Phys.Rev.B., 52 (1995) 12372

118

"Role of surface heterogeneity in the chemical bond of MgO: Ionic character of regular and defect surface sites" by C. Sousa, J.A. Mejias, G. Pacchioni and F. Illas, Chem.Phys.Lett. 249 (1996) 123

117

"Origin of magnetic coupling in La2CuO4" by J. Casanovas, J. Rubio and F. Illas, Phys. Rev. B, 53 (1996) 945

116

"On modelling the interaction of CO on the MgO (100) surface" by J.A. Mejias,A.M. Marquez, J. Fernandez Sanz, M. Fernandez Garcia, J.M. Ricart, C. Sousa and F. Illas, Surf.Sci. 327 (1995) 59

115

"Theoretical evidence for the existence of excitons in MgO" by C.Sousa, F.Illas, J.M.Ricart and P.S.Bagus, Chem.Phys.Lett., 239 (1995)263

114

"Does the electronegativity scale apply to ionic crystals as to molecules ? A theoretical study on the bonding character in Molecular and crystalline Alkaline-Earth Oxides based on dipole moments" by G. Pacchioni and F. Illas, Chem.Phys., 199 (1995) 155

113

"Nature of bonding of alkali metals to Si(111)" by A. Clotet, J. M. Ricart J. Rubio and F. Illas, Phys. Rev. B, 51 (1995) 1581

112

"Ionic-covalent transition in titanium oxides" by C. Sousa and F. Illas, Phys. Rev. B, 50 (1994) 13974

111

"Ab initio cluster model calculations on the chemisorption of CO2 and SO2 probe molecules on MgO and CaO(100) surfaces. A theoretical measure of oxide basicity" by G. Pacchioni, J.M. Ricart and F. Illas, J. Am. Chem. Soc., 116 (1994) 10152

110

"Pressure dependence of magnetic coupling in ionic solids from ab initio cluster model calculations" by J. Casanovas and F. Illas, J. Chem. Phys., 101 (1994) 7683

109

"Ground and excited states of KNiF3 An ab initio cluster model approach" by J. Casanovas and F. Illas, Phys. Rev. B, 50 (1994) 3789

108

"An ab initio cluster model study of magnetic coupling in KNiF3" by J. Casanovas and F. Illas, J. Chem. Phys., 100 (1994) 8257

107

"Effect of the Madelung potential value and symmetry on the adsorption properties of adsorbate / oxide systems" by M. Fernández-García, J. C. Conesa and F. Illas, Surf. Sci. 349 (1996) 207

106

"Bonding of atomic oxygen to Cu(100) and Ag(100) surfaces. A study of the nature of the interaction" by J. M. Ricart, J. Torras, F. Illas and J. Rubio, Surf. Sci., 107 (1994) 307

105

"Bonding geometry and mechanism of NO adsorbed on Cu2O(111): NO activation by Cu+ cations" by M. Fernández-García, J. C. Conesa, P. S. Bagus, J. Rubio and F. Illas, J. Chem. Phys. 101 (1994) 10134

104

"Electronic and geometrical structure of Pt3 and Pt4 An ab initio one electron proposal" by J. Rubio, S. Zurita, J.C. Barthelat and F. Illas, Chem. Phys. Lett., 217, 283

103

"Shifts in Adsorbate Vibrational Frequencies due to Internal Electric Fields" by P.S. Bagus and F. Illas, Chem. Phys. Lett., 224 (1994) 576

102

"Cluster model description of the chemisorption bond. Effect of the cluster model electronic state" by J.M. Ricart, J. Rubio, F. Illas and P.S. Bagus, Surf. Sci., 304 (1994) 335

101

Excited states of MgO A cluster model study" by P.S. Bagus, F. Illas and C. Sousa, J. Chem. Phys., 100 (1993) 2943

100

"Character of the electronic ground state and of charge transfer excited states in ionic solids An ab initio cluster model approach" by J. Casanovas, A. Lorda, C. Sousa and F. Illas, Int. J. Quantum Chem.,52 (1994) 281

99

"Valence bond reading of ab initio molecular orbital cluster model wavefunctions The nature of the chemical bond in corundum" by A. Clotet, J.M. Ricart, C. Sousa and F. Illas, J. Elect. Spec. & Rel. Phen.,69 (1994) 65

98

"Topological analysis of charge density in ionic solids" by C. Sousa, F. Illas, C. Bo and J.M. Poblet, Chem. Phys. Lett., 215 (1993) 97

97

"Towards an ab initio description of magnetism in ionic solids" by F. Illas, J. Casanovas, M.A.García-Bach, R. Caballol and O.Castell, Phys. Rev. Lett., 71 (1993) 3549

96

"Can corundum be described as an ionic oxide?" by C. Sousa, F. Illas and G. Pacchioni, J. Chem. Phys., 99 (1993) 6818

95

"The orthogonal valence bond interpretation of ab initio chemisorption cluster model wavefunctions" by A. Clotet, J.M. Ricart, J. Rubio and F. Illas, Chem. Phys., 177 (1993) 61

94

"Measures of ionicity of alkaline-earth oxides from the analysis of ab initio cluster wavefunctions" by G. Pacchioni, C. Sousa, F. Illas, F. Parmigiani and P.S. Bagus, Phys. Rev. B, 48 (1993) 11573

93

"The analysis of the chemisorption bond from uncorrelated and correlated cluster model wavefunctions" by J. M. Ricart, A. Clotet, F. Illas and J. Rubio, J. Chem. Phys., 100 (1994) 1988

92

"Bonding of atomic oxygen to Cu(100) and Ag(100) surfaces A theoretical comparative study" by J. Torras, J.M. Ricart, F. Illas and J. Rubio, Surf. Sci., 297 (1993) 57

91

"The nature of the chemical bond in simple oxides A Theoretical journey from the ionic model to the ab initio configuration interaction approach" by F. Illas, A. Lorda, J. Rubio, J.B. Torrance and P.S. Bagus, J. Chem. Phys., 99 (1993) 389

90

"The ionicity of halogens chemisorbed on mercury revisited" by J. Rubio, J.M. Ricart, J. Casanovas, M. Blanco and F. Illas, J. Electroanal. Chem., 359 (1993) 105

89

"The cluster model configuration interaction approach to the study of chemisorption on metal and semiconductor surfaces" by F. Illas, J.Rubio and J.M. Ricart, J. Mol. Struct. (THEOCHEM), 287 (1993) 167

88

"The optical gap of alkaline-earth oxides A Cluster model study based on local excitations" by A. Lorda, F. Illas,J. Rubio and J.B. Torrance, Anales de Física , Nº extraordinario correspondiente al "I South European Conference on Atomic and Molecular Physics", 90 (1994) 161

87

"Quantum Chemical Study of the bond activation for NO adsorbed on a Cu surface" by M. Fernández-García, J.C. Conesa and F. Illas, Solid State Ionics, 63-65 (1993) 777

86

"Madelung fields from optimized point charges for ab initio cluster model calculations on ionic systems" by C. Sousa, J. Casanovas, J. Rubio and F. Illas, J. Comput. Chem., 14 (1993) 680

85

"Ab initio valence-bond cluster model for ionic solids Alkaline-earth oxides" by A. Lorda, F. Illas, J. Rubio and J.B. Torrance, Phys. Rev B, 47 (1993) 6207

84

"The bonding mechanism of NO to Cu(111) An ab initio molecular orbital cluster model study" by M. Fernández-García, J.C. Conesa and F. Illas, Surf. Sci., 280 (1993) 441

83

"A numerical test on the size-consistency of some multireference configuration interaction approaches" by J. Rubio, A. Povill, F. Illas and J.P. Malrieu, Chem. Phys. Lett., 200 (1992) 559

82

"Quasi-classical trajectory study of the dynamics of the reaction O (3P) + CS2 (X 1Sg+) -> CS (X 1S+) + SO (X 3S-) using two model potential energy surfaces" by A. Aguilar, M. González, F. Illas, J. Rubio and R. Sayós, Chem. Phys, 161 (1992) 99

81

"The nature of the bonding of atomic Al to Si(111) Is there a specific site-bond relationship?" by F. Illas, J.M. Ricart, J. Casanovas and J. Rubio, Surf. Sci., 275 (1992) 459

80

"Studies of the Cu-O bond in cupric oxide by X-Ray photoelectron spectroscopy and ab-initio electronic structure models" by F. Parmigiani, G. Pacchioni, F. Illas and P.S. Bagus, J Elect. Spec. & Rel Phenomena., 59 (1992) 255

79

"Basis-Modified hydrogen atoms as embedding atoms in ab initio chemisorption cluster model calculations on Si surfaces" by F. Illas, L. Roset, J.M. Ricart and J. Rubio, J. Comput. Chem., 14 (1993) 1534

78

"Evidence for two different ways of bonding of Al to Si(111)" by F. Illas, J.M. Ricart, J. Casanovas and J. Rubio, Phys. Rev. B, 47 (1993) 2417

77

"Decomposition of the chemisorption bond by constrained variations Order of the variations and construction of the variational spaces" by P.S. Bagus and F. Illas, J. Chem. Phys, 96 (1992) 8962

76

"Treating large intermediate spaces in the CIPSI method through a direct selected CI algorithm" by A. Povill, J. Rubio and F. Illas, Theoret. Chim. Acta, 82 (1991) 229

75

"Reliability of atomic natural orbital basis set in calculations involving pseudopotentials" by C. Sousa, J. Rubio and F. Illas, J. Comput. Chem., 13 (1992) 148

74

"Chemisorption cluster model approach for atomic adsorbates on metal and semiconductor surfaces" by J. Rubio, J.M. Ricart and F. Illas, Trends in Chemical Physics Research, 1 (1991) 143

73

"Bonding geometry and bonding character of thiocyanate adsorbed on a Ag(100) surface" by G. Pacchioni, F. Illas, M.R. Philpott and P.S. Bagus, J. Chem. Phys., 95 (1991) 4678

72

"Evidence for oxygen island formation on Al(111) Cluster model theory and X-ray photoelectron spectroscopy" by P.S. Bagus, C.R. Brundle, F. Illas, F. Parmigiani and G. Polzonetti, Phys. Rev. B, 44 (1991) 9025

71

"An analysis of 3d correlation effects in the bonding of atomic oxygen to Cu(100)" by F. Illas, J. Rubio and J.M. Ricart, J. Chem. Phys., 95 (1991) 4225

70

"Different bonding for different sites in Al/Si(111) A theoretical study" by J. Casanovas, J. Rubio, J.M. Ricart and F. Illas, Chem. Phys. Res., 2 (1991) 33

69

"Differential correlation effects in chemisorption cluster model calculations An FCI Study" by J. Casanovas, J. Rubio and F. Illas, Chem. Phys. Lett., 180 (1991) 578

68

"Selected versus complete configuration interaction expansions" by F. Illas, J. Rubio, J.M. Ricart and P.S. Bagus, J. Chem. Phys., 95 (1991) 1877

67

"Effect of electron Correlation on the Electrostatic Potential Distribution of Molecules" by F.J. Luque, M. Orozco, F. Illas and J. Rubio, J. Am. Chem. Soc., 113 (1991) 5203

66

"X-ray photoelectron spectroscopy of oxygen adsorbates on Al(111) Theory and experiment" by P.S. Bagus, F. Parmigiani, G. Polzonetti, F. Illas and C.R. Brundle, J. Vac. Sci. Technol. A, 9 (1991) 1747

65

"An ab initio study of the collinear reaction of Fe+(4F) and Fe+(6D) with H2" by M. Sodupe, J.M. Lluch , A. Oliva, F. Illas and J. Rubio, J. Chem. Phys., 94 (1991) 4352

64

"On the potential energy surface for collinear OH2+ (4S-)" by F. Illas, P.S. Bagus, J. Rubio and M. González, J. Chem. Phys., 94 (1991) 3774

63

"Theoretical analysis of the bonding of oxygen to Cu(100)" by P.S. Bagus and F. Illas, Phys. Rev. B, 42 (1991) 10852

62

"All electron versus pseudopotentials in ab initio chemisorption cluster model calculations" by F. Illas and P.S. Bagus, J. Chem. Phys., 94 (1991) 1236

 

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