STRUCTURAL SYSTEMATICS OF RARE-EARTH COMPLEXES .7. CRYSTAL-STRUCTURE OF BIS(2,2'/6',2''-TERPYRIDINIUM) OCTAAQUATERBIUM(III) HEPTACHLORIDE HYDRATE

被引：20
作者：
KEPERT, CJ
SKELETON, BW
WHITE, AH
机构：
来源：
AUSTRALIAN JOURNAL OF CHEMISTRY | 1994年 / 47卷 / 02期
关键词：
D O I：
10.1071/CH9940391
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The room-temperature single-crystal X-ray structural characterization of the title compound (tpyH2)2[Tb(OH2)8]Cl7.approximately 2 1/3H2O is recorded. Crystals are triclinic, P1BAR, a 17.063(5), b 16.243(3), c 7.878(3) angstrom, alpha 84.78(2), beta 84.39(3), gamma 87.81(2)-degrees, Z = 2 formula units; 3167 'observed' diffractometer reflections were refined by full-matrix least-squares procedures to a residual of 0.057. Notable features of interest of the compound are the 'chelation' of chloride ions by the terpyridinium cations, and the existence of a free [Tb(OH2)8]2+ cation in the presence of an abundance of chloride ions.
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页码：391 / 396
页数：6
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