1,1',2,2'-四甲基-3,3'-(对苯二亚甲基)二咪唑-1-鎓二溴化物
1,1',2,2'-Tetra-methyl-3,3'-(p-phenyl-enedimethyl-ene)diimidazol-1-ium dibromide.
作者信息
Puvaneswary Subramaniam, Alias Yatimah, Ng Seik Weng
机构信息
Department of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia.
出版信息
Acta Crystallogr Sect E Struct Rep Online. 2009 Jul 11;65(Pt 8):o1828. doi: 10.1107/S1600536809026324.
The title imidazolium-based ionic-liquid salt, C(18)H(24)N(4) (2+)·2Br(-), has the cation lying about a center of inversion. The five-membered imidazole ring is disordered over two positions with the major component having a site occupancy of 0.712 (4); the N-bound methyl substituents are ordered. The imidazole ring is approximately perpendicular to the six-membered phenyl-ene ring [dihedral angle = 80.7 (5)° for the major disorder component and 89.8 (3)° for the other; the two components are off-set by 10.1 (6)°].
标题为咪唑基离子液体盐C(18)H(24)N(4)(2+)·2Br(-)，其阳离子位于一个对称中心周围。五元咪唑环在两个位置上无序，主要组分的位点占有率为0.712 (4)；与氮相连的甲基取代基是有序的。咪唑环与六元亚苯基环近似垂直[主要无序组分的二面角 = 80.7 (5)°，另一个为89.8 (3)°；两个组分偏移10.1 (6)°]。
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