Distortion of crystal structures of some CoIII ammine complexes.: III.: Distortion of crystal structure of [Co(NH3)5NO2]Cl2 at hydrostatic pressures up to 3.5 GPa

被引:63
作者
Boldyreva, EV
Naumov, DY
Ahsbahs, H
机构
[1] Russian Acad Sci, Inst Solid State Chem, Novosibirsk 630128, Russia
[2] Novosibirsk State Univ, Novosibirsk 630090, Russia
[3] Univ Marburg, Inst Mineral, D-35032 Marburg, Germany
[4] Univ Marburg, Ctr Mat Sci, D-35032 Marburg, Germany
来源
ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE | 1998年 / 54卷
关键词
D O I
10.1107/S0108768198005436
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
This contribution continues comparative studies on the anisotropy of structural distortion of some Co-III ammine complexes induced by various actions [Boldyreva Kivikoski & Howard (1997a). Acta Cryst. B53, 394-404: Boldyreva, Kivikoski & Howard (1997b). Acta Cryst. B53 ,405-414]. Changes in the cell parameters of (OC-6-22)-pentaamminenitro-N-cobalt(III) dichloride were measured by single-crystal X-ray diffraction at pressures up to 3.5 GPa in a diamond anvil cell (DAC). At several pressures (ambient, 0.24, 0.52, 1.25. 1.91 and 3.38 GPa) a full data collection was carried out, and the atomic coordinates and anisotropic atomic displacement parameters were refined. The anisotropy of structural distortion under pressure was shown to be qualitatively different compared with that on cooling (Boldyreva, Kivikoski & Howard, 1997b). The role of the noncovalent interactions? in particular hydrogen bonds, in the anisotropy of structural distortion is discussed.
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页码:798 / 808
页数:11
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