A SEMI-EMPIRICAL NDDO METHOD FOR ALL-VALENCE-ELECTRON SYSTEMS. I. HYDROCARBONS.KIKUCHI O.1977; BULL. CHEM. SOC. JAP.; JAP.; DA. 1977; VOL. 50; NO 3; PP. 593-596; BIBL. 15 REF.Article

CNDO/2 CHARGE DENSITY CALCULATION FOR LARGE MOLECULESKIKUCHI O.1981; MACROMOLECULES; ISSN 0024-9297; USA; DA. 1981; VOL. 14; NO 6; PP. 1827-1829; BIBL. 8 REF.Article

RESTRICTED SCF AND MC-SCF STUDY OF THE SIGMA AND PI STATES OF THE FORMYLOXYL AND FORMYLAMINYL RADICALSKIKUCHI O.1980; BULL. CHEM. SOC. JPN.; ISSN 0009-2673; JPN; DA. 1980; VOL. 53; NO 11; PP. 3149-3153; BIBL. 27 REF.Article

AN MO STUDY OF THE PHOTOCHEMICAL ELECTROCYCLIC ISOMERIZATION BETWEEN VINYLKETENE AND CYCLOBUTENONEKIKUCHI O.1982; BULL. CHEM. SOC. JPN.; ISSN 0009-2673; JPN; DA. 1982; VOL. 55; NO 5; PP. 1669-1670; BIBL. 6 REF.Article

A MOLECULAR ORBITAL STUDY OF THE CONFORMATION AND G-FACTORS OF THE H₂SSH₂⁺ AND THE H₂SSH RADICALSKIKUCHI O.1981; BULL. CHEM. SOC. JPN.; ISSN 0009-2673; JPN; DA. 1981; VOL. 54; NO 3; PP. 917-918; BIBL. 14 REF.Article

IMPORTANT ROLE OF THE SIGMA -PI CONCERTED ELECTRON REORGANIZATION IN THE RING-OPENING REACTION OF HETEROCYCLIC COMPOUNDSKIKUCHI O.1980; TETRAHEDRON LETTERS; GBR; DA. 1980; VOL. 21; NO 11; PP. 1055-1058; BIBL. 6 REF.Article

THEORETICAL ASSIGNMENT OF THE ELECTRONIC GROUND STATE OF THE FORMYLOXYL RADICAL.KIKUCHI O.1977; TETRAHEDRON LETTERS; G.B.; DA. 1977; NO 28; PP. 2421-2424; BIBL. 11 REF.Article

REACTION PATHS IN THE PHOTOCHEMICAL ISOMERIZATION BETWEEN CIS-BUTADIENE AND CYCLOBUTENEKIKUCHI O.1974; BULL. CHEM. SOC. JAP.; JAP.; DA. 1974; VOL. 47; NO 6; PP. 1551-1552; BIBL. 14 REF.Article

A CLASSIFICATION OF THE PHOTOCHEMICAL ELECTROCYCLIC REACTIONS OF HETEROATOM CONJUGATED SYSTEMSKIKUCHI O.1981; TETRAHEDRON LETT.; ISSN 0040-4039; GBR; DA. 1981; VOL. 22; NO 9; PP. 859-862; BIBL. 8 REF.Article

RESTRICTED SCF AND MC SCF STUDY OF THE C_2V AND C_S STRUCTURES OF THE ALLYL RADICALKIKUCHI O.1980; CHEM. PHYS. LETTERS; NLD; DA. 1980; VOL. 72; NO 3; PP. 487-488; BIBL. 11 REF.Article

A MOLECULAR ORBITAL STUDY OF THE CONFORMATION AND G-FACTORS OF THE HSSH^- RADICAL ANION.KIKUCHI O.1978; BULL. CHEM. SOC. JAP.; JAP.; DA. 1978; VOL. 51; NO 1; PP. 315-316; BIBL. 13 REF.Article

REACTIONS INTERDITES PAR LES REGLES DE WOODWARD-HOFFMANNKIKUCHI O.1973; J. SYNTHET. ORG. CHEM. JAP.; JAP.; DA. 1973; VOL. 31; NO 1; PP. 22-28; BIBL. 9 REF.Serial Issue

A NEW INDEX FOR PREDICTING THE REACTIVE SITE OF INTRAMOLECULAR PHOTO-CYCLOADDITIONTEZUKA T; KIKUCHI O.1976; TETRAHEDRON LETTERS; G.B.; DA. 1976; NO 14; PP. 1125-1128; BIBL. 11 REF.Article

AN SCF-MO-INDO STUDY OF ISOTROPIC AND ANISOTROPIC HYPERFINE COUPLING CONSTANTS FOR SIGMA RADICALSMORIKAWA T; KIKUCHI O.1972; BULL. CHEM. SOC. JAP.; JAP.; DA. 1972; VOL. 45; NO 12; PP. 3715-3716; BIBL. 12 REF.Serial Issue

Ab initio MO study on the 1,2-hydrogen migration from the twisted propeneKIKUCHI, O.Bulletin of the Chemical Society of Japan. 1984, Vol 57, Num 7, pp 2007-2008, issn 0009-2673Article

A SEMI-EMPIRICAL NDDO METHOD FOR ALL VALENCE-ELECTRON SYSTEMS. II. EXTENSION TO COMPOUNDS CONTAINING NITROGEN AND/OR OXYGEN.KIKUCHI O; MAEDA A.1977; BULL. CHEM. SOC. JAP.; JAP.; DA. 1977; VOL. 50; NO 8; PP. 2179-2180; BIBL. 7 REF.Article

Systematic QSAR procedures with quantum chemical descriptorsKIKUCHI, O.Quantitative structure-activity relationships. 1987, Vol 6, Num 4, pp 179-184, issn 0931-8771Article

MODELING THE METABOLIC PATHWAYS OF METHYLAZOXYMETHANOL: A SEMIEMPIRICAL MOLECULAR ORBITAL STUDYKIKUCHI O; HOPFINGER AJ.1981; CANCER BIOCHEM. BIOPHYS.; ISSN 0305-7232; GBR; DA. 1981; VOL. 5; NO 2; PP. 119-124; BIBL. 19 REF.Article

SIGMA GROUND STATE OF THE BENZOYLOXY RADICAL.YIM MB; KIKUCHI O; WOOD DE et al.1978; J. AMER. CHEM. SOC.; U.S.A.; DA. 1978; VOL. 100; NO 6; PP. 1869-1872; BIBL. 24 REF.Article

PHOTOCHEMICAL ELECTROCYCLIC REACTION MECHANISM OF METHYLENEAMINE N-OXIDE TO FORM OXAZIRIDINE: MINDO/3 CI STUDYKIKUCHI O; MORIHASHI K; SUZUKI K et al.1982; BULL. CHEM. SOC.; ISSN 0009-2673; JPN; DA. 1982; VOL. 55; NO 4; PP. 1133-1136; BIBL. 13 REF.Article

A NEW TYPE OF SEMI-EMPIRICAL MOLECULAR ORBITAL METHOD FOR LARGE MOLECULESKIKUCHI O; HOPFINCHER AJ; KLOPMAN G et al.1979; J. THEOR. BIOL.; USA; DA. 1979; VOL. 77; NO 1; PP. 129-139; BIBL. 13 REF.Article

AN MO-THEORETICAL STUDY ON THE HYDRATATION OF SIMPLE OLEFINS.HIRONO I; KIKUCHI O; SUZUKI K et al.1976; BULL. CHEM. SOC. JAP.; JAP.; DA. 1976; VOL. 49; NO 11; PP. 3321-3322; BIBL. 5 REF.Article

MINDO/3 PREDICTION OF THE II AND SIGMA ELECTRONIC STATES OF THE SUCCINIMIDO RADICALKIKUCHI O; SATO Y; SUZUKI K et al.1980; BULL. CHEM. SOC. JPN.; ISSN 0009-2673; JPN; DA. 1980; VOL. 53; NO 9; PP. 2675-2676; BIBL. 10 REF.Article

CHEMICAL REACTIVITY OF PROTONATED AZIRIDINE WITH NUCLEOPHILIC CENTERS OF DNA BASESKIKUCHI O; HOPFINGER AJ; KLOPMAN G et al.1980; BIOPOLYMERS; USA; DA. 1980; VOL. 19; NO 2; PP. 325-340; BIBL. 14 REF.Article

CALCULS SCF-MO INDO DES TENSEURS DE COUPLAGE HYPERFIN ANISOTROPE DE RADICAUX DE TYPE SIGMASOMENO K; MORIKAWA T; KIKUCHI O et al.1977; J. NATION. CHEM. LAB. INDUSTRY; JAP.; DA. 1977; VOL. 72; NO 12; PP. 499-501; ABS. ANGL.; BIBL. 8 REF.Article