PHOTOELECTRON SPECTRA AND ELECTRONIC STRUCTURE OF FURAN HOMOLOGUES COMPUTED BY THE MS SCF XALPHA METHODDE ALTI G; DECLEVA P.1980; CHEM. PHYS. LETT.; ISSN 0009-2614; NLD; DA. 1980; VOL. 77; NO 2; PP. 413-418; BIBL. 18 REF.Article

BINDING ENERGIES OF THIRD ROW HYDRIDES COMPUTED BY A ONE-CENTER EXPANSION METHOD.DE ALTI G; DECLEVA P.1977; CHEM. PHYS. LETTERS; NETHERL.; DA. 1977; VOL. 45; NO 1; PP. 103-106; BIBL. 14 REF.Article

SEMI-EMPIRICAL AND AB INITIO CALCULATIONS ON CYCLOPENTENE RING PUCKERING.DE ALTI G; DECLEVA P.1977; J. MOLEC. STRUCT.; NETHERL.; DA. 1977; VOL. 41; NO 2; PP. 299-304; BIBL. 13 REF.Article

BINDING ENERGIES AS COMPUTED BY A ONE CENTER EXPANSION METHOD.DE ALTI G; DECLEVA P.1975; CHEM. PHYS. LETTERS; NETHERL.; DA. 1975; VOL. 36; NO 3; PP. 361-364; BIBL. 12 REF.Article

MS-SCF-X_ALPHA CALCULATION OF THE ROTATIONAL BARRIERS IN ETHANE-LIKE MOLECULESDE ALTI G; DECLEVA P; LISINI A et al.1980; J. MOL. STRUCT.; ISSN 0022-2860; NLD; DA. 1980; VOL. 66; PP. 265-271; BIBL. 29 REF.Article

CONFORMATIONAL STUDIES ON 1,1-BIS(METHYLTHIO)ETHYLENEDE ALTI G; DECLEVA P; SGAMELLOTTI A et al.1979; J. MOLEC. STRUCT.; NLD; DA. 1979; VOL. 53; NO 1; PP. 129-138; BIBL. 12 REF.Article

THE DELTA SCF FORMALISM IN THE XALPHA METHOD: AN APPLICATION TO THE FLUORO-METHANESDE ALTI G; DECLEVA P; SGAMELLOTTI A et al.1978; CHEM. PHYS. LETTERS; NLD; DA. 1978; VOL. 59; NO 1; PP. 133-135; BIBL. 11 REF.Article

AN MS-XALPHA STUDY OF THE PHOTOELECTRON SPECTRA AND BONDING IN THE FLUOROSILANESDE ALTI G; DECLEVA P; SGAMELLOTTI A et al.1978; CHEM. PHYS.; NLD; DA. 1978; VOL. 35; NO 3; PP. 283-292; BIBL. 32 REF.Article

MS XALPHA AND LCAO XALPHA CALCULATIONS OF IONIZATION POTENTIALS. A COMPARISON WITH KOOPMANS' THEOREM AND ACCURATE CALCULATIONSDE ALTI G; DECLEVA P; LISINI A et al.1983; CHEMICAL PHYSICS; ISSN 0301-0104; NLD; DA. 1983; VOL. 76; NO 2; PP. 185-193; BIBL. 69 REF.Article

BINDING ENERGIES OF CH₃F AND CH₂F₂ CALCULATED BY THE OVERLAPPING SPHERE SCF MS X₂ METHOD.DE ALTI G; DECLEVA P; SGAMELLOTTI A et al.1977; CHEM. PHYS. LETTERS; NETHERL.; DA. 1977; VOL. 50; NO 3; PP. 476-478; BIBL. 18 REF.Article

IONIZED STATES OF FLUOROMETHANES COMPUTED BY THE SCF-MS-XALPHA METHOD.DA ALTI G; DECLEVA P; SGAMELLOTTI A et al.1977; J. ELECTRON SPECTROSC. RELAT. PHENOMENA; NETHERL.; DA. 1977; VOL. 12; NO 3; PP. 249-257; BIBL. 21 REF.Article

ON THE VALIDITY OF THE X_ALPHA METHOD IN THE COMPUTATION OF IONIZATION POTENTIALS. A COMPARISON OF THE RESULTS FOR SMALL MOLECULESDE ALTI G; DECLEVA P; LISINI A et al.1982; CHEM. PHYS.; ISSN 0301-0104; NLD; DA. 1982; VOL. 66; NO 3; PP. 425-433; BIBL. 51 REF.Article

Calculation of the valence shell correlation effects on ionization potentials. A test on N₂, C₂N₂ and H₂NNDECLEVA, P; LISINI, A.Chemical physics. 1987, Vol 112, Num 3, pp 339-347, issn 0301-0104Article

On the importance of valence shell correlation effects on ionization potentials: a minimal basis set CI studyDECLEVA, P; LISINI, A.Chemical physics. 1986, Vol 106, Num 1, pp 39-49, issn 0301-0104Article

Least squares B-spline solutions of the radial Dirac equation in the continuumTOFFOLI, D; DECLEVA, P.Computer physics communications. 2003, Vol 152, Num 2, pp 151-164, issn 0010-4655, 14 p.Article

Quasidegenerate perturbation theory configuration interaction calculations of the core and valence photoelectron spectra of Ne and ArLISINI, A; DECLEVA, P.Journal of physics. B. Atomic, molecular and optical physics (Print). 1994, Vol 27, Num 7, pp 1325-1339, issn 0953-4075Article

Cooperative core hole screening mechanism in adsorbates : its hindrance in the NEXAFS spectra of the CO/Ni and N₂/Ni systemsOHNO, M; DECLEVA, P.Chemical physics. 1993, Vol 171, Num 1-2, pp 9-23, issn 0301-0104Article

Many-body calculations of the core excitation spectra of CO and NiCO : disappearance of the giant shake-up satelliteOHNO, M; DECLEVA, P.The Journal of chemical physics. 1993, Vol 98, Num 10, pp 8070-8079, issn 0021-9606Article

Giant satellite in the x-ray photoelectron spectroscopy core-hole spectra of adsorbatesDECLEVA, P; OHNO, M.The Journal of chemical physics. 1992, Vol 96, Num 11, pp 8120-8127, issn 0021-9606Article

Many-body calculation of th XPS core hole spectra of NiN₂DECLEVA, P; OHNO, M.Chemical physics. 1992, Vol 160, Num 3, pp 341-351, issn 0301-0104Article

Many-body calculation of the core hole spectrum of PdN₂DECLEVA, P; OHNO, M.Chemical physics. 1992, Vol 164, Num 1, pp 73-82, issn 0301-0104Article

Variational approach to continuum orbitals in a spline basis : an application to H₂⁺ photoionizationBROSOLO, M; DECLEVA, P.Chemical physics. 1992, Vol 159, Num 2, pp 185-196, issn 0301-0104Article

A CI study of the correlation effects in the (np)^-1 and (ns)^-1 photoelectron spectra of the alkali atomsLISINI, A; DECLEVA, P.Journal of physics. B. Atomic and molecular physics. 1987, Vol 20, Num 3, pp 457-464, issn 0022-3700Article

CI calculation of the (6p)^-1 photoelectron spectrum of franciumDECLEVA, P; LISINI, A.Chemical physics letters. 1985, Vol 120, Num 3, pp 257-260, issn 0009-2614Article

On the resonantly core excited states of the N₂/Ni and related systemsOHNO, M; DECLEVA, P.Surface science. 1993, Vol 296, Num 1, pp 87-96, issn 0039-6028Article