Synthesis, Crystal Structure and Vibrational Spectrum of 2,3,5-Triphenyltetrazolium Hexachloridoniobate(V) and Oxidotetrachloridoniobate(V) Acetonitrile, [TPT][NbCl<sub>6</sub>] and [TPT][NbOCl<sub>4</sub>(CH<sub>3</sub>CN)]
作者:Mimoza Gjikaj、Tao Xie、Wolfgang Brockner
DOI:10.1002/zaac.200900174
日期:2009.11
Single crystals of 2,3,5-triphenyltetrazolium hexachloroniobate(V), [TPT] [NbCl6], (1) and of 2,3,5-triphenyltetrazolium oxotetrachloroniobate(V), [TPT] [NbOCl4(CH3CN)], (2) could be obtained and their crystal structures determined. The yellow compound 1 crystallizes in the monoclinic space group P21/c (C2h5, no. 14) with a = 1321.6(3), b = 1080.7(2), c = 1740.2(4) pm, β = 111.54(2)°, and Z = 4. Its
2,3,5-三苯基四唑鎓六氯铌酸盐 (V), [TPT] [NbCl6], (1) 和 2,3,5-三苯基四唑鎓氧四氯铌酸盐 (V), [TPT] [NbOCl4(CH3CN)], ( 2) 可以得到并确定它们的晶体结构。黄色化合物 1 在单斜空间群 P21/c (C2h5, no. 14) 中结晶,a = 1321.6(3), b = 1080.7(2), c = 1740.2(4) pm, β = 111.54(2)° ,Z = 4。它的结构与最近表征的 [TPT] [SbCl6] 的结构同型,由 [TPT]+ 阳离子和八面体 [NbCl6]- 阴离子构成。淡黄色化合物 2 在正交空间群 Pbcm (D2h11, no. 57) 中结晶,a = 1574.4(1), b = 1047.7(1), c = 1723.4(1) pm,Z = 4。 离子化合物包含 [TPT]+ 阳离子和 [NbOCl4(CH3CN)]-