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Journal of Structural Chemistry

2009 year, number 1

STRUCTURAL TYPES OF OCTA(Оµ-CAPROLACTAM)-LANTHANIDE(III) HEXA(ISOTHIOCYANATO)CHROMATES(III). PHASE TRANSITION WITH REVERSIBLE TWINNING

A. V. Virovets, E. V. Peresypkina, E. V. Cherkasova, T. G. Cherkasova, N. V. Podberezskaya
Keywords: lanthanum, praseodymium, europium, gadolinium, terbium, Оµ-caprolactam, crystal structure, phase transition, twinning, thermochromism
Pages: 144-155

Abstract

The compounds [LnL8][Cr(NCS)6] (Ln = La3+, Pr3+, Eu3+, Gd3+, Tb3+, Yb3+, L = ε-C6H11NO) were obtained from aqueous solutions containing LnCl3, K3[Cr(NCS)6], and ε-caprolactam at