Conformational dimorphism of the spiropyran 1′,3′,3′-trimethyl­spiro[2H-1-benzopyran-2,2′-indoline]-6-carbaldehyde)

Zouev, I.; Kaftory, M.

doi:10.1107/S0108270108016430

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 4
Short intermolecular contacts (dashed lines) directed towards the benzopyran plane in (a) space group C2/c [symmetry code: (i) $[{1\over 2}]$ − x, − $[{1\over 2}]$ + y, $[{1\over 2}]$ − z], and (b) and (c) space group Cc [symmetry codes: (i) − $[{1\over 2}]$ + x, $[{1\over 2}]$ + y, z; (ii) $[{1\over 2}]$ + x, $[{1\over 2}]$ + y, z; (iii) 1 + x, −y, $[{1\over 2}]$ + z; (iv) $[{1\over 2}]$ + x, − $[{1\over 2}]$ + y, z].

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 64| Part 7| June 2008| Pages o372-o375

doi:10.1107/S0108270108016430

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