The crystallochemistry of tetracyanocomplexes. The crystal and molecular structure of Cd(NH3)2Ni(CN)4.0·5 H2O
- 1 January 1987
- journal article
- Published by Institute of Organic Chemistry & Biochemistry in Collection of Czechoslovak Chemical Communications
- Vol. 52 (8) , 1915-1921
- https://doi.org/10.1135/cccc19871915
Abstract
Cd(NH3)2Ni(CN)4.0·5 H2O is orthorhombic, Imma, with parameters a = 0·7622(4), b = 1·4992(13), c = 0·8961(6) nm, Z = 4, d(exp) = 2·07(4), d(calc.) = 2·066 Mg m-3. The structure, which was refined by the least squares method to R = 0·038 for 1 508 independent reflections, is isostructural with Ni(NH3)2Ni(CN)4.0·5 H2O and consists of infinite layers of the [Cd(NC)4Ni] type. Two water molecules in the unit cell occupy 4 equivalent positions between the layers. The shortest intermolecular distances 0·3023(2) (H2O···Ni) and 0·3371(1) nm (H2O···NH3) indicate zeolitic character of the water molecule.Keywords
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