CRYSTAL-STRUCTURE OF [(BIS(GLYCINATO)COPPER(II)DIBROMIDE)((BIS(GLYCINE)DILITHIUM(I)) DIHYDRATE)] - [((C2H4NO2)2CUBR2).((C2H5NO2)2LI2).2H2O]

被引：2

作者：

PAPAVINASAM, E

机构：

[1] Department of Physics, Thiagarajar College

来源：

ZEITSCHRIFT FUR KRISTALLOGRAPHIE | 1991年 / 197卷 / 3-4期

关键词：

CRYSTAL STRUCTURE; (C2H4NO2)2CUBR2(C2H5NO2)2LI2.2H2O; GLYCINE COMPLEX;

D O I：

10.1524/zkri.1991.197.3-4.217

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The title complex [(C2H4NO2)2CuBr2(C2H5NO2)2Li2.2 H2O] crystallizes in a monoclinic unit cell of dimensions a = 9.011(1), b = 5.061(1), c = 20.659(3) angstrom, beta = 91.54(5)-degrees, and space group P2(1)/n, Z = 2. The density is d(calc) = 1.99 g cm-3, d(exp) = 2.10 g cm-3. The intensity data were collected using a CAD-4 diffractometer with CuK-alpha radiation. The crystal structure of this complex has been solved by Patterson syntheses and difference Fourier calculations and refined to an R-value of 0.041 using 1425 reflections. Copper is coordinated to two carboxyl oxygens, two amino nitrogens and two bromines all of which form a distorted octahedron. The lithium ion is coordinated to two carboxyl oxygens. Glycine molecules exist both as zwitterions (NH3+CH2COO-) and anions (NH2CH2COO-) in this structure.

引用

页码：217 / 222

页数：6

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