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Cover Picture: A New Basic Motif in Cyanometallate Coordination Polymers: Structure and Magnetic Behavior of M(μ‐OH 2 ) 2 [Au(CN) 2 ] 2 (M=Cu, Ni) (Chem. Eur. J. 26/2006)
Author(s) -
Lefebvre Julie,
Callaghan Fergal,
Katz Michael J.,
Sonier Jeff E.,
Leznoff Daniel B.
Publication year - 2006
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.200690082
Subject(s) - crystallography , polymer , metal , aqueous solution , hydrogen bond , chemistry , materials science , nanotechnology , stereochemistry , molecule , metallurgy , organic chemistry
Watery bridges play the key role in a new basic structural motif exhibited by M(μ‐OH 2 ) 2 [Au(CN) 2 ] 2 (M=Cu, Ni) materials. This motif is unique for cyanometallate‐based polymers and rare in aqueous coordination chemistry: a 1D chain propagated by double aqua‐bridges. These metal–water chains, shown here cascading down a rock‐studded waterfall, aggregate through hydrogen bonds to form stacked ribbons in 3D. The magnetic properties of both compounds were studied by using short‐lived subatomic muons as highly sensitive local probes in zero‐magnetic field, as shown here. D. B. Leznoff, J. E. Sonier et al. describe these Cu II and Ni II cyanoaurate coordination polymers on page 6748 ff.