Crystal structure of tert-butyl 3,6-di-iodo-carbazole-9-carboxyl-ate.

The mol-ecular structure of tert-butyl 3,6-di-iodo-carbazole-9-carboxyl-ate, C(17)H(15)I(2)NO(2), features a nearly planar 13-membered carbazole ring with C-I bond lengths of 2.092†(4) and 2.104†(4)†à . The carbamate group has key bond lengths of 1.404†(6)†à (N-C), 1.330†(5)†à (O-C), and 1.201†(6)†à (C=O). The crystal contains inter-molecular π-π inter-actions, as well as both type I and type II inter-molecular I⋯I inter-actions.