Hydrothermal syntheses, crystal structures and characterization of new vanadoborates: The novel decorated cage cluster [V6B22O44(OH)10]

被引:27
|
作者
Liu, Xing [1 ]
Zhou, Jian [1 ,2 ]
An, Litao [3 ]
Chen, Rong [1 ]
Hu, Feilong [2 ]
Tang, Qiuling [2 ]
机构
[1] Chongqing Normal Univ, Coll Chem, Chongqing 401331, Peoples R China
[2] Yulin Normal Univ, Coll Chem & Mat, Yulin 537000, Peoples R China
[3] Huaiyin Normal Univ, Coll Chem & Chem Engn, Jiangsu Key Lab Chem Low Dimens Mat, Huaian 223300, Peoples R China
关键词
Hydrothermal syntheses; Vanadates; Borates; Structure; Spectroscopic properties; MOLYBDENUM-VANADIUM POLYOXOMETALATE; TRANSITION-METAL-COMPLEX; POLYOXOVANADIUM BORATE; SOLVOTHERMAL SYNTHESIS; CHAIN; POLYMER; NETWORK; BRIDGES; SYSTEM;
D O I
10.1016/j.jssc.2013.02.021
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Three new vanadoborates [H(3)teta](3)[V12B18O54(OH)(6)(H2O)]center dot(H3O)center dot 5H(2)O (1, teta=triethylenetetramine), [H(4)teta](2)[V6B22O44(OH)(10)]center dot 4.5H(2)O (2) and [H(4)tepa](2)[V6B22O44(OH)(10)]center dot 4H(2)O (3, tepa=tetraethylenepentamine) have been hydrothermally synthesized and structurally characterized. 1 contains cage cluster [V12B18O54(OH)(6)(H2O)](10-) based on one puckered B18O36(OH)(6) ring sandwiched between two V6O15 clusters. Both 2 and 3 contain new decorated cage cluster [V6B22O44(OH)(10)](8-) built up from a central band of [V6O18] capped top and bottom by two raft-like polyborate [B11O20(OH)(4)] units. The magnetic susceptibility of 3 demonstrates the presence of antiferromagnetic interaction between V-IV cations. The theoretical band structure and spectroscopic properties have been also studied. (C) 2013 Elsevier Inc. All rights reserved.
引用
收藏
页码:79 / 84
页数:6
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