Universität zu Köln

Werker, Melanie and Ruschewitz, Uwe ORCID: 0000-0002-6511-6894 (2020). Cs2Zn(CN)(4): a first example of a non-cyano spinel of composition A(2)M(CN)(4) with A=alkali metal and M=group 12 metal. Z.Naturforsch.(B), 75 (1-2). S. 97 - 104. BERLIN: WALTER DE GRUYTER GMBH. ISSN 1865-7117

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Abstract

The crystal structure of monoclinic Cs2Zn(CN)(4) (C2/c, Z=4) was solved and refined from high-resolution synchrotron powder diffraction data (ESRF: Swiss-Norwegian beamline). In contrast to all other known cyanides of composition A(2)M(CN)(4) with A = alkali metal and M = group 12 metal, which crystallize in cubic or rhombohedrally distorted spinel variants and thus with A(+) in an octahedral coordination, the Cs+ cation in Cs2Zn(CN)(4) shows an eight-fold coordination by CN- anions of the [Zn(CN)(4)] (2-) tetrahedra. Upon heating, no phase transition is observed. Instead, a reversible melting at approx. T=380 degrees C occurs.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Werker, Melanie UNSPECIFIED UNSPECIFIED UNSPECIFIED Ruschewitz, Uwe UNSPECIFIED orcid.org/0000-0002-6511-6894 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-346809
DOI:	10.1515/znb-2019-0159
Journal or Publication Title:	Z.Naturforsch.(B)
Volume:	75
Number:	1-2
Page Range:	S. 97 - 104
Date:	2020
Publisher:	WALTER DE GRUYTER GMBH
Place of Publication:	BERLIN
ISSN:	1865-7117
Language:	English
Faculty:	Faculty of Mathematics and Natural Sciences
Divisions:	Faculty of Mathematics and Natural Sciences > Department of Chemistry > Institute of Inorganic Chemistry
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language CRYSTAL-STRUCTURES; TRANSITION; POTASSIUM; CYANIDES; ROUTES; ZINC Multiple languages Chemistry, Inorganic & Nuclear; Chemistry, Organic Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/34680