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Self‐Assembled Helicates of Zinc and Cadmium Cyanides, [M x (CN) 2 x +1 ] − , x ≤ 27
Author(s) -
Dance Ian,
Dean Phillip,
Fisher Keith
Publication year - 1995
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199503141
Subject(s) - chemistry , crystallography , supramolecular chemistry , zinc , density functional theory , ligand (biochemistry) , stereochemistry , crystal structure , computational chemistry , receptor , organic chemistry , biochemistry
Laser ablation of Zn(CN) 2 and Cd(CN) 2 gives rise to a series of anions [M x (CN) 2 x +1 ] − , which have helical structures according to density functional and force‐field calculations. M atoms with trigonal‐planar coordination and each bearing a terminal CN ligand are linked by linear MCNM bridges to form helices. The supramolecular helices are stabilized by interstrand coulombic interactions. The calculated structure of [Zn 27 (CN) 55 ] − is shown on the right = Zn, = C, = (N)