Synthesis, crystal structure and photochemistry of Hexakis(butan-1-aminium) heptamolybdate(VI) tetrahydrate

被引：8
|
作者：
Khandolkar, Savita S. [1 ]
Naik, Ashish R. [1 ]
Naether, Christian [2 ]
Bensch, Wolfgang [2 ]
Srinivasan, Bikshandarkoil R. [1 ]
机构：
[1] Goa Univ, Dept Chem, Taleigao 403206, Goa, India
[2] Christian Albrechts Univ Kiel, Inst Anorgan Chem, Max Eyth Str 2, D-24098 Kiel, Germany
来源：
JOURNAL OF CHEMICAL SCIENCES | 2016年 / 128卷 / 11期
关键词：
Butan-1-aminium; heptamolybdate; H-bonding interactions; electrochemistry; photodimerization; ALKYLAMMONIUM MOLYBDATES; POLYOXOMETALATE; TRIHYDRATE; POLYMOLYBDATES; MONOHYDRATE; BEHAVIOR; CLUSTER;
D O I：
10.1007/s12039-016-1168-z
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The synthesis, crystal structure, spectral characterization, photochemistry, electrochemical and thermal studies of the hexakis(butan-1-aminium) heptamolybdate(VI) tetrahydrate (1) are reported. Dissolution of a mixed mono-hepta compound (BuNH3)(8)[(Mo7O24)(MoO4)] ai...3H(2)O in water results in its transformation to the title compound viz., (BuNH3)(6)[Mo7O24] ai...4H(2)O 1 (BuNH3= butan-1-aminium). The structure of the title compound consists of two crystallographically unique [Mo7O24](6-) anions, twelve independent (BuNH3)(+) cations and eight unique lattice water molecules, all of which are interlinked with the aid of three varieties of H-bonding interactions. Solar irradiation of 1 results in the formation of a bis(mu (2)-oxo) bridged diheptamolybdate product. Electrochemical studies reveal the role of 1 in the photodimerization process. Thermal decomposition of 1 results in the formation of crystalline alpha-MoO3.
引用
收藏
页码：1737 / 1744
页数：8
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