THE UNSOLVATED PENTACHLOROFERRATE(III) ION - X-RAY CRYSTAL-STRUCTURE AND LOW-TEMPERATURE MAGNETISM OF TETRAMETHYLPIPERAZINIUM PENTACHLOROFERRATE(III)

被引:21
作者
JAMES, BD
LIESEGANG, J
BAKALOVA, M
REIFF, WM
SKELTON, BW
WHITE, AH
机构
[1] NORTHEASTERN UNIV,DEPT CHEM,BOSTON,MA 02115
[2] UNIV WESTERN AUSTRALIA,DEPT CHEM,NEDLANDS,WA 6009,AUSTRALIA
关键词
D O I
10.1021/ic00112a017
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Single-crystal X-ray diffraction study of the title compound, C8H20Cl5N2Fe, indicates crystallization in the monoclinic space group C2/c, Z = 4, with unit cell parameters a = 15.56(1) Angstrom, b = 8.876(3) Angstrom, c 12.487(6) Angstrom, and beta = 115.61(6)degrees, with a nearly ideal five-coordinate trigonal bipyramidal [FeCl5](2-) species in an ionic crystal lattice. A combination of Fe-57 Mossbauer spectroscopy and a.c. susceptometry confirms long-range magnetic order between 6 and 7 K with a 3-D antiferromagnetic ground state.
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页码:2054 / 2057
页数:4
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