STRUCTURE OF 4(5)-NITROIMIDAZOLE AT 100-K

被引:22
作者
DEBONDT, HL [1 ]
RAGIA, E [1 ]
BLATON, NM [1 ]
PEETERS, OM [1 ]
DERANTER, CJ [1 ]
机构
[1] CATHOLIC UNIV LEUVEN,INST FARMACEUT WETENSCHAPPEN,ANALYT CHEM & MED FYSICOCHEM LAB,B-3000 LOUVAIN,BELGIUM
关键词
D O I
10.1107/S0108270192011326
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
4(5)-Nitroimidazole, C3H3N3O2, M(r) = 113.08, monoclinic, P2(1)/n, a = 6.9559 (4), b = 9.9130 (6), c = 7.3045(4) angstrom, beta = 119.41(4)degrees, V= 438.8 (4) angstrom3, Z = 4, D(m)(293 K) = 1.64, D(x) = 1.7117 Mg m-3, lambda(Mo Kalpha) = 0.71069 angstrom, mu = 0.1367 mm-1, F(000) = 232, T = 100 K. Final R = 0.024 for 633 unique observed [F greater-than-or-equal-to 4sigma(F)] reflections. The molecules are planar and are stacked in planes almost parallel to the bc plane. These molecular layers are built up by three hydrogen bonds. 4-5-tautomerism is discussed.
引用
收藏
页码:693 / 695
页数:3
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