Non-centrosymmetric crystals of new N-benzylidene­aniline derivatives as potential materials for non-linear optics

Souza, T.E.; Rosa, I.M.L.; Legendre, A.O.; Paschoal, D.; Maia, L.J.Q.; Dos Santos, H.F.; Martins, F.T.; Doriguetto, A.C.

doi:10.1107/S2052520615008859

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 5
(a) Face-to-tail stacking leads to parallel pillaring of derivative (I). The distance between the least-square planes calculated through the C atoms of rings A and B and the non-H atoms bridging them are shown (in Å). (b) Classical hydrogen-bonding interlinking c-glide-related molecules of derivative (I) along the [201] direction. The hydrogen⋯oxygen distance is displayed (value in Å). Symmetry operators: (i) $[- {1\over 2}+ x, {3\over 2} - y, - {3\over 2}+ z]$ ; (ii) $[{1\over 2} + x, {3\over 2} - y, {3\over 2} + z]$ . (c) Top view of eight pairs of stacked units of derivative (I) arranged over the (001) plane and (d) the representation of the dipole-moment directions (black and grey arrows refer to molecules packed on top and bottom of the projection plane).

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 71| Part 4| July 2015| Pages 416-426

doi:10.1107/S2052520615008859

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