Novel three-dimensional networks cross-linked by two sets of hydrogen bonded frameworks based on 1-D {[M(H2O)4(4,4′-dpdo)][ClO4]2·2(4,4′-dpdo)}n (4,4′-dpdo = 4,4′-bipyridine dioxide; M = Co, Ni, Cu or Zn)
- 20 December 2000
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 2,p. 130-133
- https://doi.org/10.1039/b006142p
Abstract
A series of novel coordination polymers {[M(H2O)4(4,4′-dpdo)][ClO4]2·2(4,4′-dpdo)}n (M = Co 1, Ni 2, Cu 3 or Zn 4; 4,4′-dpdo = 4,4′-bipyridine dioxide) have been synthesized and characterized by X-ray diffraction analysis. They are isomorphous and crystallize in the triclinic system and space group P. dpdo bridges the metal centers to form a covalent chain. Two solvate dpdo link these chains through hydrogen bonding to form two sets of three-dimensional networks which are interwoven through a common conjunctive point [M(H2O)4]2+, leading to three-dimensional open frameworks with triangular channels. ClO4 − anions are included within these channels through weak C–H ⋯ O hydrogen bonding. pKeywords
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