A new polymorph, form C, of [1,2-bis(diphenylphosphino)ethane]dichloronickel(II)

被引:5
|
作者
Davison, JC
Foreman, MRS
Howie, RA
Plater, MJ
Skakle, JMS
机构
[1] Univ Aberdeen, Dept Chem, Aberdeen AB24 3UE, Scotland
[2] Univ Aberdeen, Sch Phys, Aberdeen AB24 3UE, Scotland
关键词
Computer simulation - Crystal symmetry - Diffractometers - Hydrogen bonds - Hydrogenation - Hydrothermal synthesis - Nickel compounds - Reflection;
D O I
10.1107/S0108270101003961
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The title compound, [NiCl2(C26H24P2)], has arisen as a result of the unexpected reduction (hydrogenation) of the trans-1,2-bis(diphenylphosphino)ethene ligand. The hydrothermal reaction conditions have produced a third polymorphic form of the compound which has twofold symmetry, crystallizes in an enantiomer-selective manner and contains an unexpectedly short CDC (ethane) bond. Contacts of the form C-H . . . Cl are present, one involving alkyl and the other aryl hydrogen, with C . . . Cl distances of 3.556 (4) and 3.664 (6) Angstrom, respectively.
引用
收藏
页码:690 / 693
页数:4
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