Simple chains in methyl 3,5-dinitro­benzoate, isolated mol­ecules in iso­propyl 3,5-dinitro­benzoate, and a three-dimensional framework containing double and sextuple helices in benzyl 3,5-dinitro­benzoate, all at 120 K

Vasconcelos, T.R.A.; Souza, M.V.N. de; Wardell, S.M.S.V.; Wardell, J.L.; Low, J.N.; Glidewell, C.

doi:10.1107/S0108270105038631

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 7
A stereoview of part of the crystal structure of (III)

, showing a hydrogen-bonded helical C(11) chain generated by the 4₂ screw axis along ( $[3\over4]$ , $[1\over4]$ , z) and forming one strand of a sextuple helix. For the sake of clarity, H atoms not involved in the motif shown have been omitted.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 62| Part 1| January 2006| Pages o26-o29

doi:10.1107/S0108270105038631

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