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An Unusual Mixed‐Anionic Iodine‐Rich Polyiodide: [Rb(crypt‐2,2,2)] 4 (I 5 ) 2 (I 8 )
Author(s) -
Link Caroline,
Pantenburg Ingo,
Meyer Gerd
Publication year - 2008
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.200700508
Subject(s) - monoclinic crystal system , chemistry , dichloromethane , crypt , iodine , crystallography , crystal structure , ion , inorganic chemistry , solvent , organic chemistry , medicine , endocrinology
Black crystals of [Rb(crypt‐2,2,2)] 4 (I 5 ) 2 (I 8 ) were obtained from a dichloromethane/ethanol solution of RbI, I 2 and Kryptofix‐2,2,2®. The crystal structure (monoclinic, P2 1 /c (no. 14), a = 1250.1(1), b = 2555.2(2), c = 2313.4(3) pm, β = 121.45(1)°, V = 6309.9(11)·10 6 pm 3 , Z = 2) consists of [Rb(crypt‐2,2,2)] + cations leaving three‐dimensional channels for the V‐shaped (I 5 ) − and Z‐shaped (I 8 ) 2− anions which are isolated from each other.
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