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 8
The crystal packing of compound (III)

, viewed down the c axis, showing C22—H22⋯O2ⁱ intermolecular hydrogen bonds, which results in $[R_{2}^{2}]$ (22) inversion dimers forms a sheet lying parallel to the [1 $[\overline{1}]$ $[\overline{1}]$ ] direction. In addition, the solvent molecule interacts with the organic molecule linked via a C25—H25⋯O3ⁱⁱ hydrogen bond. H atoms not involved in the hydrogen bonding have been omitted for clarity. [Symmetry codes: (i) −x + 1, −y + 1, −z + 1; (ii) −x + 1, −y + 1, −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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