Издательство СО РАН

Издательство СО РАН

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Поиск по журналу

Журнал структурной химии

2010 год, номер 2

CRYSTAL STRUCTURES AND LUMINESCENCE OF TWO ZINC(II) COMPLEXES WITH BENZIMIDAZOLE LIGANDS

S.B. Miao, B.M. Ji, D.S. Deng, C. Xu, N. Ma
Ключевые слова: crystal structure, fluorescence, dimethylformamide
Страницы: 399-403

Аннотация

Two new zinc(II) complexes have been synthesized and studied by single crystal X-ray diffraction method: [Zn(L1)Cl<sub>2</sub>]·2DMF (1) and [Zn(L2)Cl<sub>2</sub>]·DMF (2) (L1 = 3,3′-bis(2-benzimidazolyl)-2,2′-dipyridine, L2 = 3,3′-bis[2-bis(2-ethylbenzimidazolyl)]-2,2′-dipyridine). Compound 1 is monoclinic, <i>C</i>2/<i>c</i>, <i>a</i> = 23.142(3), <i>b = </i>11.845(1),<i> c</i> = 14.735(3) Å; compound 2 is orthorhombic, <i>C</i>222<sub>1</sub>, <i>a</i> = 12.140(7), <i>b = </i>16.283(9),<i> c</i> = 16.51(1) Å. In both compounds, Zn(II) cations are coordinated by two chlorine atoms and two benzimidazole nitrogen atoms in a slightly distorted tetrahedron fashion. Structural features responsible for fluorescent properties of the complexes are discussed.