CRYSTAL AND MOLECULAR-STRUCTURE OF GLYCOCYANINE

被引：6

作者：

BERTHOU, J ^{[1
]}

LAURENT, A ^{[1
]}

NAKAJIMA, S ^{[1
]}

机构：

[1] UNIV PIERRE & MARIE CURIE, CNRS, MINERAL CRISTALLOG LAB, F-75230 PARIS 05, FRANCE

来源：

ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE CRYSTAL ENGINEERING AND MATERIALS | 1976年 / 32卷 / MAY15期

关键词：

D O I：

10.1107/S0567740876005700

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Glycocyamine crystallizes in the monoclinic system P21/c; a = 4.937, b = 6.004, c = 17.519 .ANG.; .beta. = 101.93.degree.. The structure was solved by the direct method. Counter data collected with Mo K.alpha. radiation were used in the refinement. The final R value is 0.064 for 1504 observed reflexions. All the H atoms were located on difference Fourier maps. The molecular structure corresponds to that of a zwitterion. It can be described as consisting of 2 groups of atoms lying on 2 planes which form an angle of 3.99.degree.. The average value of the three C.sbd.N bond lengths in the guanidyl group is 1.327 .ANG.. The molecules are held together by a network of H bonds.

引用

页码：1529 / 1532

页数：4

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