Pseudopyramidal Building Units in Mixed Inorganic/Organic Network Solids:  Syntheses, Structures, and Properties of α- and β-ZnHPO3·N4C2H4

The syntheses, crystal structures, and some properties of α- and β-ZnHPO3·N4C2H4 are reported. These polymorphic phases are the first organically templated hydrogen phosphites. They are built up from vertex-sharing HPO3 pseudopyramids and ZnO3N tetrahedra, where the Zn−N bond represents a direct lin...

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Bibliographic Details
Published in:Inorganic chemistry 2001-02, Vol.40 (5), p.895-899
Main Authors: Harrison, William T. A, Phillips, Mark L. F, Stanchfield, Jesse, Nenoff, Tina M
Format: Article
Language:English
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Summary:The syntheses, crystal structures, and some properties of α- and β-ZnHPO3·N4C2H4 are reported. These polymorphic phases are the first organically templated hydrogen phosphites. They are built up from vertex-sharing HPO3 pseudopyramids and ZnO3N tetrahedra, where the Zn−N bond represents a direct link between zinc and the neutral 2-cyanoguanidine template. α-ZnHPO3·N4C2H4 is built up from infinite layers of vertex-sharing ZnO3N and HPO3 groups forming 4-rings and 8-rings. β-ZnHPO3·N4C2H4 has strong one-dimensional character, with the polyhedral building units forming 4-ring ladders. Similarities and differences to related zinc phosphates are discussed. Crystal data:  α-ZnHPO3·N4C2H4, monoclinic, P21/c, a = 9.7718 (5) Å, b = 8.2503 (4) Å, c = 9.2491 (5) Å, β = 104.146 (1)°, Z = 4. β-ZnHPO3·N4C2H4, monoclinic, C2/c, a = 14.5092 (9) Å, b = 10.5464 (6) Å, c = 10.3342 (6) Å, β = 114.290 (1)°, Z = 8.
ISSN:0020-1669
1520-510X
DOI:10.1021/ic000723j