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REACTIVITE DES HETEROCYCLES AZOTES DANS QUELQUES REACTIONS NUCLEOPHILESMIROSHNIKOV OM; SAVRANS'KIJ L YI.1975; VISN. KYJIV. UNIV., KHIM.; S.S.S.R.; DA. 1975; NO 16; PP. 22-27; ABS. ANGL. RUSSE; BIBL. 12 REF.Article

INFLUENCIA DEL PH SOBRE LOS ESPECTROS ELECTRONICOS DE DIAMINAS AROMATICAS = INFLUENCE DU PH SUR LES SPECTRES ELECTRONIQUES D'AMINES AROMATIQUESGARCIA MANRIQUE F; MEDEROS A; RODRIGUEZ GONZALEZ A et al.1973; R. SOC. ESP. FIS. QUIM., AN. QUIM.; ESP.; DA. 1973; VOL. 69; NO 3; PP. 305-310; ABS. ANGL.; BIBL. 15 REF.Serial Issue

Photophysics of polystyrene. II: Pariser-Parr-Pople studies of excimer structureBLONSKI, S; SIENICKI, K; HERMAN, A et al.Macromolecules. 1987, Vol 20, Num 2, pp 329-331, issn 0024-9297Article

ESTIMATION OF THE CONFORMATION OF 2,2'-DIHYDROXYBENZOPHENONE FROM ELECTRONIC ABSORPTION SPECTRA AND PARISER-PARR-POPLE CALCULATIONS.KYSEL' O; MIERTUS S.1975; CHEM. ZVESTI; CESKOSL.; DA. 1975; VOL. 29; NO 1; PP. 81-87; BIBL. 18 REF.Article

EFFECT OF ELECTRONIC CORRELATION ON ELECTRONIC CHARGE DISTRIBUTION IN TRIPLET STATES OF ACROLEIN.TYUTYULKOV NN; KUNEV IN; FASSOVA PG et al.1973; C.R. ACAD. BULG. SCI.; BULG.; DA. 1973; VOL. 26; NO 10; PP. 1371-1373; BIBL. 7 REF.Article

INFLUENCE DES SUBSTITUANTS SUR LA DISTRIBUTION DE LA DENSITE DES ELECTRONS PI DANS LES POLYENES ALPHA ,OMEGA -DISUBSTITUESYANOVSKAYA LA; KRYSHTAL GV; KUCHEROV VF et al.1973; IZVEST. AKAD. NAUK S.S.S.R., SER. KHIM.; S.S.S.R.; DA. 1973; NO 4; PP. 941-943; BIBL. 8 REF.Serial Issue

CONVERGENCE OF THE RAYLEIGH-SCHROEDINGER PERTURBATION EXPANSIONS FOR THE ENERGY LEVELS OF THE PARISER-PARR-POPLE MODEL OF THE BENZENE MOLECULE.PELLEGATTI A; CIZEK J; PALDUS J et al.1974; J. CHEM. PHYS.; U.S.A.; DA. 1974; VOL. 60; NO 12; PP. 4825-4829; BIBL. 21 REF.Article

ESTUDIO TEORICO DE HIDROCARBUROS AROMATICOS NO PLANOS. IV. DIFENILETILENOS. = ETUDE THEORIQUE D'HYDROCARBURES AROMATIQUES NON PLANS. IV. DIPHENYLETHYLENESLARGO CABRERIZO J; PEREZ ROMERO E.1974; AN. QUIM.; ESP.; DA. 1974; VOL. 70; NO 2; PP. 99-102; ABS. ANGL.; BIBL. 10 REF.Article

ETUDE CONFORMATIONNELLE DES FORMES OUVERTES D'UN SPIROPYRANNE BENZOTHIAZOLINIQUE.FERRE Y; VINCENT EJ; METZGER J et al.1974; TETRAHEDRON; G.B.; DA. 1974; VOL. 30; NO 6; PP. 787-792; ABS. ANGL.; BIBL. 31 REF.Article

VARIATIONAL LOCALIZED-SITE CLUSTER EXPANSIONS. IV. HUBBARD AND PPP MODELS.KLEIN DJ; GARCIA BACH MA.1976; MOLEC. PHYS.; G.B.; DA. 1976; VOL. 31; NO 3; PP. 797-809; BIBL. 10 REF.Article

COMMENT: REINTERPRETATION OF HEXATRIENE SPECTRUM AND COMPARISON WITH THEORY.KARPLUS M; GAVIN RM JR; RICE SA et al.1975; J. CHEM. PHYS.; U.S.A.; DA. 1975; VOL. 63; NO 12; PP. 5507-5508; BIBL. 13 REF.Article

STRUCTURE ELECTRONIQUE DES SYSTEMES CONJUGUES DANS L'APPROXIMATION DE PARISER-PARR-POPLEMISURKIN JA; OVCHINNIKOV AA.1974; USP. KHIM.; S.S.S.R.; DA. 1974; VOL. 43; NO 12; PP. 2195-2225; BIBL. 1 P. 1/2Article

THEORETICAL STUDY OF TRANSITIONS FROM THE FIRST TO HIGHER EXCITED SINGLET STATESPANCIR J; ZAHRADNIK R.1973; J. PHYS. CHEM.; U.S.A.; DA. 1973; VOL. 77; NO 1; PP. 121-123; BIBL. 24 REF.Serial Issue

POLARIZATION DIRECTIONS OF ELECTRONIC TRANSITIONS IN LARGE CONJUGATED MOLECULES OF LOW SYMMETRYDOWNING J; MICHL J.1972; INTERNATION. J. QUANTUM CHEM., SYMP.; U.S.A.; DA. 1972; NO 6; PP. 311-317; BIBL. 13 REF.Serial Issue

MAGNETIC CRITERIA FOR AROMATICITY.BENASSI R; LAZZERETTI P; TADDEI F et al.1975; J. PHYS. CHEM.; U.S.A.; DA. 1975; VOL. 79; NO 8; PP. 848-851; BIBL. 43 REF.Article

CALCULATIONS ON QUINONOID COMPOUNDS. I. THE QUINODODIMETHIDESGLEICHER GJ; NEWKIRK DD; ARNOLD JC et al.1973; J. AMER. CHEM. SOC.; U.S.A.; DA. 1973; VOL. 95; NO 8; PP. 2526-2531; BIBL. 27 REF.Serial Issue

USE OF SEMIEMPIRICAL MODELS FOR CALCULATION OF B TERMS IN MCD SPECTRA. II. THE PARISER-PARR-POPLE (PPP) MODEL: A CONSEQUENCE OF THE PAIRING SYMMETRY IN PI SYSTEMS WITH ALTERNANT SKELETONS.MICHL J.1974; J. CHEM. PHYS.; U.S.A.; DA. 1974; VOL. 61; NO 10; PP. 4270-4273; BIBL. 21 REF.Article

ESTUDIO TEORICO DE HIDROCARBUROS AROMATICOS NO PLANOS. III. BIFENILO. = ETUDE THEORIQUE DES HYDROCARBURES AROMATIQUES NON PLANS. IV. BIPHENYLELARGO CABRERIZO J; PEREZ ROMERO E.1974; R. SOC. ESP. FIS. QUIM., AN. QUIM.; ESP.; DA. 1974; VOL. 70; NO 1; PP. 3-6; ABS. ANGL.; BIBL. 22 REF.Article

ANALYSE DES SPECTRES D'ABSORPTION ET DE LA STRUCTURE ELECTRONIQUE DES COMPOSES ORGANIQUES DES ELEMENTS DU GROUPE IVB PAR UNE METHODE SEMI-EMPIRIQUE LCAO-MO-SCFZASYADKO OA; FROLOV YU L; VITKOVSKAYA NM et al.1974; ZH. STRUKT. KHIM.; S.S.S.R.; DA. 1974; VOL. 15; NO 4; PP. 633-638; BIBL. 5 REF.Article

PROCEDE D'EVALUATION DES VALEURS DES INTEGRALES DE RESONANCE ET DE COULOMB DANS LA METHODE DE HUECKEL. I. UTILISATION DU PROBLEME INVERSE DE L'ANALYSE SPECTRALE EN CHIMIE QUANTIQUESTANKEVICH IV.1974; ZH. FIZ. KHIM.; S.S.S.R.; DA. 1974; VOL. 48; NO 8; PP. 1897-1901; BIBL. 6 REF.Article

ELECTRONIC SPECTRA OF PHENOLATE AND NAPHTHOLATE ANIONSHOSHI T; YOSHINO J; HAYASHI K et al.1973; Z. PHYS. CHEM., FRANKFURT; DTSCH.; DA. 1973; VOL. 83; NO 1-4; PP. 31-40; BIBL. 10 REF.Serial Issue

FORME DES EQUATIONS DE LA METHODE DES ORBITALES MOLECULAIRES. II. EFFET DES INTERACTIONS DES ELECTRONSGYUL'MALIEV AM; STANKEVICH IV.1973; ZH. FIZ. KHIM.; S.S.S.R.; DA. 1973; VOL. 47; NO 1; PP. 22-23; BIBL. 2 REF.Serial Issue

EVALUATION OF EMPIRICAL PARAMETERS FROM SPECTROSCOPIE DATA BY THE LEAST SQUARES METHODKARWOWSKI J.1972; ACTA PHYS. POLON., A; POLOGNE; DA. 1972; VOL. 42; NO 6; PP. 647-653; BIBL. 17 REF.Serial Issue

ON THE CHOICE OF PARAMETERS IN PARISER-PARR-POPLE METHOD WITH RETENTION OF BONDED DIFFERENTIAL OVERLAPACHARYA U; KAR AK; SANNIGRAPHI AB et al.1972; INDIAN J. CHEM.; INDIA; DA. 1972; VOL. 10; NO 6; PP. 615-618; BIBL. 24 REF.Serial Issue

COMMENT ON QUADRUPOLE MOMENTS, DIPOLE QUADRUPOLE A AND QUADRUPOLE C POLARIZABILITIES BY MEANS OF PERTURBATION THEORYMAKSIC ZB.1980; INT. J. QUANTUM CHEM.; ISSN 0020-7608; USA; DA. 1980; VOL. 18; NO 6; PP. 1483-1484; BIBL. 7 REF.Article

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