Crystal structure of aquabis(dimethylglyoximato)nitrocobalt(III) based on neutron diffraction data

被引：12

作者：

Englert, U ^{[1
]}

Heger, G

Kümmerle, E

Wang, R

机构：

[1] Rhein Westfal TH Aachen, Inst Anorgan Chem, D-52056 Aachen, Germany

[2] Rhein Westfal TH Aachen, Inst Kristallog, D-52056 Aachen, Germany

[3] Forschungszentrum Julich, Inst Festkorperforsch, D-52425 Julich, Germany

来源：

ZEITSCHRIFT FUR KRISTALLOGRAPHIE | 1999年 / 214卷 / 01期

关键词：

D O I：

10.1524/zkri.1999.214.1.71

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Single crystal neutron diffraction confirmed previously reported X-ray results: Co(Hdmg)(2)(NO(2))(H(2)O) (Hdmg = dimethylglyoximate) crystallizes in the monoclinic space group P2(1)/m with lattice constants a = 7.605(5) Angstrom: b = 8.907(5) Angstrom, c = 10.721(5) Angstrom, beta = 94.07(3)degrees, V = 724.4(7) Angstrom(3) and Z = 2 with the complex molecule on a mirror plane. In addition, the neutron diffraction experiment yielded accurate positions for all hydrogen atoms: The intramolecular hydrogen bridges O-H ... O are asymmetric with distances O-H = 1.044(7) Angstrom and O ... H = 1.468(7) Angstrom, and hence the chelating ligands are not equivalent. This intramolecular result correlates to the packing arrangement: The acceptor oxygen atom of the intramolecular bridge is also involved in strong intermolecular hydrogen bonding.

引用

页码：71 / 74

页数：4

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