Bis(4-methoxybenzoato)-κ2O,O′;κO-bis(nicotinamide-κN1)zinc(II)

被引：8

作者：

Hoekelek, Tuncer ^{[1
]}

Saka, Guener ^{[2
]}

Tercan, Baris ^{[3
]}

Tenlik, Erdinc ^{[4
]}

Necefoglu, Hacali ^{[4
]}

机构：

[1] Hacettepe Univ, Dept Phys, TR-06800 Ankara, Turkey

[2] Hitit Univ, Dept Chem, TR-19030 Ulukavak, Corum, Turkey

[3] Karabuk Univ, Dept Phys, TR-78050 Karabuk, Turkey

[4] Kafkas Univ, Dept Chem, TR-63100 Kars, Turkey

来源：

ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE | 2010年 / 66卷

关键词：

DIHYDRATE;

D O I：

10.1107/S1600536810032885

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The asymmetric unit of the title complex, [Zn(C8H7O3)(2)-(C6H6N2O)(2)], contains three crystallographically independent molecules with similar configurations. The Zn-II cation is coordinated by two N atoms of two nicotinamide ligands and three O atoms from two 4-methoxybenzoate anions in a distorted trigonal-bipyramidal geometry. In each independent molecule, one Zn-O bond distance [2.5181 (12), 2.5931 (12) and 2.4085 (12) angstrom for the three molecules] is significantly longer than the other two. In the crystal structure, extensive N-H center dot center dot center dot O and C-H center dot center dot center dot O hydrogen bonding links the molecules into a three-dimensional network. pi-pi contacts between the pyridine rings and between the pyridine and benzene rings [centroid-centroid distances = 3.7655 (9) and 3.8453 (10) angstrom, respectively] further stabilize the crystal structure.

引用

页码：M1135 / U871

页数：24

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