BIS-(N1,N1-DIMETHYLBIGUANIDE-N2,N4)-COPPER(II) BIS(HYDROGEN CARBONATE) [CU(C4H11N5)2]2HCO3

被引：26

作者：

VIOSSAT, B

TOMAS, A

DUNG, NH

机构：

[1] UNIV PARIS 05,FAC SCI PHARMACEUT & BIOL,PHYS LAB,F-75270 PARIS 06,FRANCE

[2] UNIV PARIS 11,FAC SCI PHARMACEUT & BIOL,CHIM PHYS MINERALE & BIOINORGAN LAB,F-92290 CHATENAY MALABRY,FRANCE

来源：

ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS | 1995年 / 51卷

关键词：

D O I：

10.1107/S0108270194006086

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The structure of bis(N1,N1-dimethylbiguanide-N2,N4)copper(II) bis(hydrogencarbonate) consists of a [Cu(C4H11N5)2]+ cation and two HCO3- anions. The Cu atom is at a centre of symmetry and forms a square-planar structure with four N atoms belonging to two N,N-dimethylbiguanide (metformin) groups. The metformin ligand is planar, allowing delocalization of the pi electrons in the metal-ligand ring. The hydrogencarbonate anions are hydrogen bonded to N(1), N(2) and N(3).

引用

页码：213 / 215

页数：3

共 9 条

[1] CONVENIENT WAY OF APPLYING CONSTRAINTS IN STRUCTURE-FACTOR LEAST-SQUARES REFINEMENT [J].