Data-to-parameter ratio = 15.6;
Mean σ(C-C) = 0.002 Å;
R factor = 0.037;
Single-crystal X-ray study;
T = 293 K;
wR factor = 0.104;
D O I:
10.1107/S1600536811053384
中图分类号:
O7 [晶体学];
学科分类号:
0702 ;
070205 ;
0703 ;
080501 ;
摘要:
In the title compound, C9H6ClNO2, the carboxyl group is twisted from the indole ring system by 9.00 (8)degrees. In the crystal, inversion dimers linked by pairs of O-H center dot center dot center dot O hydrogen bonds generate R-2(2)(8) loops and N-H center dot center dot center dot O hydrogen bonds link the dimers into (001) sheets. Aromatic pi-pi stacking interactions [centroid-centroid distance = 3.7185 (12) A degrees] are also observed.