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Metal diphosphonates with double-layer and pillared layered structures based on N-cyclohexylaminomethanediphosphonate by Yan-Hui Su; Deng-Ke Cao; Yan Duan; Yi-Zhi Li; Li-Min Zheng is a Materials Science article available to read on EtoBox.

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Based on N-cyclohexylaminomethanediphosphonic acid (cmdpH 4 ), four new metal diphosphonate compounds with formula M 3 (cmdpH) 2 (H 2 O) 2 [M1⁄4 Zn(1), Co(2)] and M 2 (cmdpH 2 ) 2 (4,4 0 -bipy) 0.5 (H 2 O) [M1⁄4 Co(3), Mn(4)] have been obtained and structurally determined. Compounds 1 and 2 are isostructural. Within the structure, the M(2)O 6 octahedra are each corner-shared with four PO 3 C tetrahedra to form a single layer containing 3-and 7-member rings. Neighboring single layers are pillared by M(1)O 4 tetrahedra, resulting in a novel double-layer structure. The organic moieties of cmdpH 3 À are grafted on the two sides of the double layer. Compounds 3 and 4 are also isostructural, displaying a pillared layered structure. Within the inorganic layer, the M(1)O 5 tetragonal pyramids and M(2)NO 5 octahedra are each linked by PO 3 C tetrahedra through corner-sharing, forming a layer in the ab plane which contains 3-and 10-member rings. These layers are pillared by 4,4 0 -bipyridine via coordination with the M(2) atoms from the adjacent layers, leading to a three-dimensional open framework structure with channels generated along the a-axis. The organic groups of cmdpH 2 2 À locate w

Who reads Metal diphosphonates with double-layer and pillared layered structures based on N-cyclohexylaminomethanediphosphonate?

Author

Yan-Hui Su; Deng-Ke Cao; Yan Duan; Yi-Zhi Li; Li-Min Zheng

Publisher

Elsevier Science; Elsevier ; Elsevier Inc.; Elsevier BV (ISSN 0022-4596)

Published

2010

Language

EN

Field

Materials Science (Physical Sciences)