QUANTUM CHEMICAL CALCULATIONS FOR DETERMINATION OF MOLECULAR-STRUCTURE OF CONJUGATED COMPOUNDS .14. CONFORMATIONAL STRUCTURE OF ALPHA-DIIMINE LIGANDS

被引:56
作者
BENEDIX, R
BIRNER, P
BIRNSTOCK, F
HOFMANN, HJ
HENNIG, H
机构
[1] KARL MARX UNIV,SEKT BIOWISSENSCH,DDR-701 LEIPZIG,GER DEM REP
[2] KARL MARX UNIV,SEKT CHEM,DDR-701 LEIPZIG,GER DEM REP
关键词
D O I
10.1016/0022-2860(79)80273-2
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The conformational structure of some typical α-diimine ligands (2,2′-bipyridyl, glyoxaldiimine, glyoxal-N,N′-dimethyldiimine) is examined using the NDDO method. An analysis of the potential energy curves indicates the influence of specific lone-pair effects on the molecular structure. Based on a continuum model, changes of the molecular arrangement caused by solvent effects are estimated. © 1979.
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页码:99 / 105
页数:7
相关论文
共 37 条
[1]  
ALMENNINGEN A, 1958, K NOR VIDENSK SELSK, V4
[2]   NATURE OF BONDS BETWEEN CARBON ATOMS HOW THEY VARY WITH ENVIRONMENT [J].
BASTIANSEN, O ;
TRAETTEBERG, M .
TETRAHEDRON, 1962, 17 (3-4) :147-&
[3]   ALTERNATE EFFECTS OF CHARGE-DISTRIBUTIONS .1. IRDO (INTERMEDIATE RETENTION OF DIFFERENTIAL OVERLAP) CALCULATIONS ON INFLUENCE OF ELECTRON PAIRS OF NITROGEN ON RELATIVE ACIDITY OF BETA-PICOLIN [J].
BIRNER, P ;
KOHLER, HJ ;
WEISS, C .
INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY, 1975, 9 (05) :917-922
[4]   C-H ACIDITY - COMPARATIVE CNDO-2 AND NDDO CALCULATIONS ON REACTIVITY OF AZABENZENES [J].
BIRNER, P ;
KOHLER, HJ ;
WEISS, C .
CHEMICAL PHYSICS LETTERS, 1974, 27 (03) :347-350
[5]   INFLUENCE OF SOLVENTS ON PROPERTIES OF CHEMICAL COMPOUNDS .1. DETERMINATION OF CONFORMATIONAL STRUCTURE OF BIPHENYL, BUTADIENE, BENZALDEHYDE, PROPIONALDEHYDE, FURFURAL AND FORMAMIDE BY MEANS OF A CONTINUUM MODEL [J].
BIRNSTOCK, F ;
HOFMANN, HJ ;
KOHLER, HJ .
THEORETICA CHIMICA ACTA, 1976, 42 (04) :311-323
[6]   CNDO-2 STUDY OF BIPYRIDYLS .1. [J].
BORGEN, O ;
MESTVEDT, B ;
SKAUVIK, I .
ACTA CHEMICA SCANDINAVICA SERIES A-PHYSICAL AND INORGANIC CHEMISTRY, 1976, 30 (01) :43-46
[7]   ON CONFIGURATION OF 2,2'-BIPYRIDYL AND 5,5'-BIS-ISOXAZOLE BY MEANS OF CNDO/2 METHOD [J].
BOSSA, M ;
RAMUNNI, G ;
FRANCHIN.PF .
THEORETICA CHIMICA ACTA, 1970, 17 (04) :327-+
[8]   NUCLEAR MAGNETIC RESONANCE SPECTRA OF 2,2'-BIPYRIDYL [J].
CASTELLANO, S ;
GUNTHER, H ;
EBERSOLE, S .
JOURNAL OF PHYSICAL CHEMISTRY, 1965, 69 (12) :4166-+
[9]   MOLECULAR ORBITAL CALCULATIONS OF LONE PAIR INTERACTIONS IN HEXAHYDROPYRIMIDINE [J].
CHEN, FP ;
JESAITIS, RG .
JOURNAL OF THE CHEMICAL SOCIETY D-CHEMICAL COMMUNICATIONS, 1970, (22) :1533-&
[10]   PHYSICAL PROPERTIES AND CHEMICAL CONSTITUTION .35. ELECTRIC DIPOLE MOME PHENANTHROLINES AND BIPYRIDYLS [J].
CUMPER, CWN ;
VOGEL, AI ;
GINMAN, RFA .
JOURNAL OF THE CHEMICAL SOCIETY, 1962, (APR) :1188-&