The unsolvated pentachloroferrate(III)ion. X-ray crystal structure and low-temperature magnetism of tetramethylpiperazinium pentachloroferrate(III)

B.D. James, J. Liesegang, M. Bakalova, W.M. Reiff, Brian Skelton, Allan White

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

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.
Original languageEnglish
Pages (from-to)2054-2057
JournalInorganic Chemistry
Volume34
DOIs
Publication statusPublished - 1995

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