Crystal structures of three indole derivatives: 3-ethnyl-2-methyl-1-phenyl­sulfonyl-1H-indole, 4-phenyl­sulfonyl-3H,4H-cyclo­penta­[b]indol-1(2H)-one and 1-{2-[(E)-2-(5-chloro-2-nitro­phen­yl)ethen­yl]-1-phenyl­sulfonyl-1H-indol-3-yl}ethan-1-one chloro­form monosolvate

Gopinath, S.; Sethusankar, K.; Ramalingam, B.M.; Mohanakrishnan, A.K.

doi:10.1107/S2056989015014917

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 6
The crystal packing of compound (I)

, viewed down the b axis, showing C12B—H12B⋯O2Aⁱ intermolecular hydrogen bond link the independent molecules running parallel to the [101] direction and further interconnected by C10A—H10A⋯Cg1ⁱⁱ, C11A—H11A⋯Cg2ⁱⁱ and C16A—H16A⋯Cg3ⁱⁱⁱ interactions. Cg2 is the centre of the gravity of the pyrrole ring (atoms N1B/C1B/C6B/C7B/C8B), and Cg1 and Cg3 are the centres of the gravity of benzene rings C1B–C6B and C1A–C6A, respectively. [Symmetry codes: (i) −x + 1, y + $[{1\over 2}]$ , −z + 1; (ii) −x + 2, y − $[{1\over 2}]$ , −z + 1; (iii) −x + 1, y + $[{1\over 2}]$ , −z.]

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 71| Part 9| September 2015| Pages 1036-1041

https://doi.org/10.1107/S2056989015014917

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