A new molybdenum(V) nickel phosphate based on divacant [H30(Mo16VO32)Ni14(PO4)26O2(OH)4(H2O)8]12- wheel

被引：26
作者：
Zhang, Yu-Nan [1 ,4 ]
Zhou, Bai-Bin [1 ,2 ]
Li, Yang-Guang [3 ]
Su, Zhan-Hua [1 ,2 ]
Zhao, Zhi-Feng [1 ]
机构：
[1] Harbin Inst Technol, Dept Appl Chem, Harbin 150001, Peoples R China
[2] Harbin Normal Univ, Dept Chem, Harbin 150025, Peoples R China
[3] NE Normal Univ, Key Lab Polyoxometalate Sci, Minist Educ, Fac Chem, Changchun 130024, Jilin, Peoples R China
[4] Jiamusi Univ, Sch Pharmaceut Sci, Jiamusi 154007, Peoples R China
来源：
DALTON TRANSACTIONS | 2009年 / 43期
基金：
中国国家自然科学基金;
关键词：
HYDROTHERMAL SYNTHESIS; COORDINATION POLYMER; CRYSTAL-STRUCTURE; POLYOXOMETALATE CLUSTERS; BUILT-UP; METAL; COMPLEX; POLYOXOANION; DERIVATIVES; FRAGMENTS;
D O I：
10.1039/b905277a
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A new molybdenum nickel phosphate, [H(2)en](3) Na-4[Ni(H2O)(3)][H-30((Mo16O32)-O-V)Ni-14(PO4)(26)O-2(OH)(4)(H2O)(8)] center dot 8H(2)O 1, has been hydrothermally synthesized and structurally characterized. Compound 1 crystallizes in the monoclinic space group P2(1/c) with a = 18.6118(6) angstrom, b = 20.9879(6) angstrom, c = 22.9360(5) angstrom, beta = 116.678(2)degrees, V = 8005.5(4) angstrom(3) and Z = 2. The polyoxoanion of 1 exhibits an unusual divacant wheel-type cluster in which two {NiO6} octahedra are lost from the well-known "saturated" {Mo16TM16P26} wheel. The two vacant sites are occupied by two protonated ethylenediamines (H(2)en) via the strong hydrogen-bonding interactions between the surface O atoms of the polyoxoanions and the amine group derived from the H(2)en ligands. DC susceptibility measurements show that compound 1 exhibits strong antiferromagnetic interactions inside the wheel-type cluster.
引用
收藏
页码：9446 / 9451
页数：6
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