Volume 21, Issue 5 pp. 515-519
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A Novel Three-dimensional Framework with Tunnels Based on the Cobalt-containing Molybdenum Phosphate Moieties

Huang Ru-Dan

Huang Ru-Dan

Institute of polyoxometalate Chemistry, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, China

School of Chemical Engineering & Materials Science, Beijing Institute of Technology, Beijing 100081, China

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Liu Fu-Chen

Liu Fu-Chen

Institute of polyoxometalate Chemistry, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, China

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Li Yang-Guang

Li Yang-Guang

Institute of polyoxometalate Chemistry, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, China

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Yuan Mei

Yuan Mei

Institute of polyoxometalate Chemistry, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, China

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Wang En-Bo

Wang En-Bo

Institute of polyoxometalate Chemistry, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, China

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De Ge-Ji-Hu

De Ge-Ji-Hu

Institute of polyoxometalate Chemistry, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, China

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First published: 26 August 2010

Abstract

A novel compound (H2en)5[CoMo12O50P8(OH)12] ·2H2O (1) (en = H2NCH2CH2NH2) has been hydrothermally synthesized and characterized by elemental analyses, IR, EPR, XPS spectra and single-crystal X-ray diffraction analyses. Compound 1 crystallizes in a triclinic system, space group Pi, with a = 1.1863(2) nm, b = 1.3361(3) nm, c = 1.3783(3) nm, a = 88.13(3)°, β = 70.09(3)°, γ = 65.24(3)°, V = 1.8497(6) mn3, and R = 0.0417. The basic building blocks of compound 1 are|Mo6P4 [clusters forming dimers through the|CoO6] octahedra. Compound 1 exhibits an unusual three-dimensional framework with tunnels owing to the extensive hydrogen bonding interactions between the dimers and H2en.

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