INFLUENCE DES EFFETS DE CORRELATION SUR LE CALCUL DE LA DENSITE ELECTRONIQUE DE MOLECULES A L'ETAT EXCITETYUTYULKOV N; K'IEV I.1972; BALG. AKAD. NAUK., IZVEST. OTDEL. KHIM. NAUKI; BALG.; DA. 1972; VOL. 5; NO 3; PP. 381-386; ABS. ANGL.; BIBL. 16 REF.Serial Issue

ETUDE QUANTOCHIMIQUE DU ROLE DU CENTRE CATIONIQUE DANS LA STABILISATION RELATIVE DES FORMES PROTONEES DE LA MOLECULE DE TOLUENE SUR LES ZEOLITESMAJ TUEN; DIMITROV KH; TYUTYULKOV N et al.1983; KINETIKA I KATALIZ; ISSN 0453-8811; SUN; DA. 1983; VOL. 24; NO 2; PP. 481-485; BIBL. 20 REF.Article

CONFORMATION ENERGY ANALYSIS OF SUBSTITUTED DIPHENYLETHANES. I. EMPIRICAL FORCE FIELD- AND CNDO/2-CALCULATIONS ON DIBENZYL.IVANOV P; POJARLIEFF I; TYUTYULKOV N et al.1976; IZVEST. KHIM.; BALG.; DA. 1976; VOL. 9; NO 3; PP. 516-529; ABS. BULG.; BIBL. 42 REF.Article

QUELQUES PROBLEMES DANS LES CALCULS A L'APPROXIMATION PI . BENZENEBONCHEV D; TYUTYULKOV N; STOYANOV A et al.1976; IZVEST. KHIM.; BALG.; DA. 1976; VOL. 9; NO 2; PP. 319-332; ABS. ANGL.; BIBL. 23 REF.Article

INFLUENCE OF THE LONG-RANGE COULOMB INTERACTION UPON THE ENERGY SPECTRUM OF INFINITE POLYENESTYUTYULKOV N; KANEV I; CASTANO O et al.1980; THEOR. CHIM. ACTA; DEU; DA. 1980; VOL. 55; NO 3; PP. 207-217; BIBL. 28 REF.Article

TRANSITIONS DE PHASES DANS LES P-POLYPHENYLENESTYUTYULKOV N; GALUNSKA B; KARADAKOV P et al.1979; IZVEST. KHIM.; BGR; DA. 1979; VOL. 12; NO 4; PP. 534-538; ABS. ENG; BIBL. 7 REF.Article

An extension of the Coulson-Rushbrooke-Longuet-Higgins theorem. II: A topological method for calculation of the number of nonbonding molecular orbitalsKARABUNARLIEV, S; TYUTYULKOV, N.Theoretica chimica acta. 1989, Vol 76, Num 1, pp 65-70, issn 0040-5744, 6 p.Article

ELECTRONIC STRUCTURE OF ONE-DIMENSIONAL SYSTEMS IN THE PEIERLS-PPP-MODELIVANOV CI; TYUTYULKOV N; BARENTZEN H et al.1980; FERROELECTRICS; ISSN 0015-0193; USA; DA. 1980; VOL. 30; NO 1-4; PP. 317-323; BIBL. 13 REF.Conference Paper

ELEKTRONENDELOKLISIERUNG IM GRUNDZUSTAND UND IN ANGEREGTEN ZUSTAENDEN. = DELOCALISATION ELECTRONIQUE DANS L'ETAT FONDAMENTAL ET LES ETATS EXCITESFRATEV F; MONEV W; POLANSKY OE et al.1977; Z. NATURFORSCH., A; DTSCH.; DA. 1977; VOL. 32; NO 2; PP. 178-181; ABS. ANGL.; BIBL. 17 REF.Article

UNTERSUCHUNGEN UEBER DIE TAUTOMERIE VON DIALKYLESTERN DER 1-CYANO-2-OXO-ALKANPHOSPHONSAEUREN DURCH DIE METHODE DER SIGMA RHO -ANALYSE UND DIE LCAO-MO-METHODE = ETUDE DE LA TAUTOMERIE DES DIALKYLESTERS DES ACIDES CYANO-1 OXO-2 ALKYLPHOSPHONIQUES PAR LES METHODES D'ANALYSE SIGMA RHO ET LCAO-MOKIRILOV M; PETROV G; TYUTYULKOV N et al.1975; MONATSH. CHEM.; OSTERR.; DA. 1975; VOL. 106; NO 6; PP. 1533-1541; ABS. ANGL.; BIBL. 18 REF.Article

STEREOISOMERIZATION OF STREPTOCYANINESDIETZ F; FOERSTER W; WEISS C et al.1981; J. SIGNALAUFZEICHN. MATER; ISSN 0323-598X; DDR; DA. 1981; VOL. 9; NO 3; PP. 177-190; ABS. GER/RUS; BIBL. 42 REF.Article

STUDIES OF THE ENERGY SPECTRUM OF ALPHA , OMEGA -SUBSTITUTED POLYMETHINE CHAINS. II: POLYMETHINE CHAINS WITH ODD NUMBER OF METHINE GROUPSTYUTYULKOV N; DIETZ F; FABIAN J et al.1981; THEOR. CHIM. ACTA; ISSN 0040-5744; DEU; DA. 1981; VOL. 60; NO 2; PP. 185-200; BIBL. 49 REF.Article

UNTERSUCHUNGEN ZUM ENERGIESPEKTRUM VON ALPHA , ALPHA , OMEGA -SUBSTITUIERTEN POLYMETHINKETTEN. I. ALPHA , OMEGA -SUBSTITUIERTE POLYENE MIT GERADER ZAHL VON METHINGRUPPEN. = ETUDES DU SPECTRE D'ENERGIE DES CHAINES POLYMETHINIQUES SUBSTITUEES EN ALPHA , OMEGA . I. POLYENES SUBSTITUES EN ALPHA , OMEGA A NOMBRE PAIR DE GROUPES METHINETYUTYULKOV N; PETKOV J; POLANSKY OE et al.1975; THEOR. CHIM. ACTA; ALLEM.; DA. 1975; VOL. 38; NO 1; PP. 1-8; ABS. ANGL.; BIBL. 31 REF.Article

Energy gap equation of 1D polyconjugated π-systems in the Hubbard approximationTYUTYULKOV, N; DIETZ, F.Chemical physics. 1993, Vol 171, Num 3, pp 293-301, issn 0301-0104Article

An extension of the Coulson-Rushbrooke theoremTYUTYULKOV, N; POLANSKY, O. E.Chemical physics letters. 1987, Vol 139, Num 3-4, pp 281-284, issn 0009-2614Article

ELECTRONIC STRUCTURE OF LONG CHAIN POLYENES IN THE PEIERLS-PPP MODELBARENTZEN H; POLANSKY OE; TYUTYULKOV N et al.1980; Z. PHYS. B; ISSN 0340-224X; DEU; DA. 1980; VOL. 38; NO 3; PP. 211-217; BIBL. 18 REF.Article

Bond alternation and electronic structure of poly(perinaphthalene)KARABUNARLIEV, S; BAUMGARTEN, M; MÜLLEN, K et al.Chemical physics. 1994, Vol 179, Num 3, pp 421-430, issn 0301-0104Article

MNDO study of intermediates by anionic polymerization of ethylene oxideENCHEV, V; TYUTYULKOV, N; PANAYOTOV, I et al.Die Makromolekulare Chemie. Rapid communications. 1990, Vol 11, Num 9, pp 423-426, issn 0173-2803, 4 p.Article

Electronic structure and photophysical characteristics of substituted 3-(2-benzthiazolyl)-coumarins and coumariniminesNIKOLOV, P; TYUTYULKOV, N; DRYANSKA, V et al.Zeitschrift für Naturforschung. A, A Journal of physical sciences. 1987, Vol 42, Num 9, pp 987-993, issn 0932-0784Article

Photoswitching of dipole moments, charge-transfer and spectroscopic propertiesDIETZ, F; OLBRICH, G; KARABUNARLIEV, S et al.Chemical physics letters. 2003, Vol 379, Num 1-2, pp 11-19, issn 0009-2614, 9 p.Article

On the nature of the spin exchange interaction in poly (m-aniline)BAUMGARTEN, M; MÜLLEN, K; TYUTYULKOV, N et al.Chemical physics. 1993, Vol 169, Num 1, pp 81-84, issn 0301-0104Article

Band structure and local states of crystals of silver halidesTYUTYULKOV, N; TADJER, A; DIETZ, F et al.Journal für Signalaufzeichnungsmaterialien. 1984, Vol 12, Num 6, pp 351-358, issn 0323-598XArticle

Band structure of nonclassical polymersTYUTYULKOV, N; SCHUSTER, P; POLANSKY, O et al.Theoretica chimica acta. 1983, Vol 63, Num 4, pp 291-304, issn 0040-5744Article

Design of ferromagnetic alternating stacks of neutral and ion-radical hydrocarbonsIVANOVA, A; BAUMGARTEN, M; KARABUNARLIEV, S et al.PCCP. Physical chemistry chemical physics (Print). 2003, Vol 5, Num 21, pp 4932-4937, issn 1463-9076, 6 p.Article

Energy spectra of the poly[peri-acene]s : analytical solution of the LCAO MO problemTYUTYULKOV, N; DIETZ, F; MÜLLEN, K et al.Chemical physics. 1992, Vol 163, Num 1, pp 55-58, issn 0301-0104Article