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Template Synthesis and Structure of a Three-Dimensional Bimetallic Phosphate

✍ Scribed by Yongnan Zhao; Jing Ju; Xiangming Chen; Xiuhong Li; Yong Wang; Ruji Wang; Ming Li; Zhenhong Mai


Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
348 KB
Volume
166
Category
Article
ISSN
0022-4596

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✦ Synopsis


Introducing cobalt into the Zn-P-O-amine system and using oxalates as starting materials, an amine-containing openframework zinc cobalt phosphate, [C 2 N 2 H 10 ][Co 4.2 Zn 1.8 (PO 4 ) 4 (HPO 4 )] . H 2 O (1), has been hydrothermally synthesized. It crystallizes in monoclinic space group C2=c (No. 15) with cell parameters a ¼ 19:214ð8Þ

The structure contains two sets of M-O-M linkage: M-O-M dimer and unusual infinite helical -M-O-M-chain. Connecting the dimers by phosphates leads to three-membered ring chains. The linking of the helical chains by PO 4 groups results in a sheet structure. Using the three-membered ring chains as pillars, stacking of the sheets gives rise to a three-dimensional tunnel structure. # 2002 Elsevier Science (USA)


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