CRYSTAL AND MOLECULAR-STRUCTURE OF CHLORAMPHENICOL

被引:15
作者
CHATTERJEE, C [1 ]
DATTAGUPTA, JK [1 ]
SAHA, NN [1 ]
SAENGER, W [1 ]
MULLER, K [1 ]
机构
[1] MAX PLANCK INST EXPTL MED,CHEM ABT,D-3400 GOTTINGEN,FED REP GER
来源
JOURNAL OF CRYSTAL AND MOLECULAR STRUCTURE | 1979年 / 9卷 / 06期
关键词
D O I
10.1007/BF01200521
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
Chloramphenicol, C11H12Cl2N2O5, is orthorhombic, space group C2221, a = 17.495(3), b = 7.321(2), c = 22.130(4) Å, and Z = 8. The structure was solved by direct methods and refined to a final R value of 0.068 for 1186 counter-reflections. Estimated standard deviations for bond lengths and bond angles involving nonhydrogen atoms average 0.009 Å and 0.6 °, respectively. All the hydrogen atoms that are bonded to O or N and are available for hydrogen-bond formation take part in the hydrogen-bonding network. The crystals become brown in color on prolonged exposure to X-rays and γ-rays. Our structural investigation with colored crystal does not indicate any structural change. © 1980 Plenum Publishing Corporation.
引用
收藏
页码:295 / 304
页数:10
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