Hydrogen-bonded chains in 2,2,2-trichloro-N,N′-bis­(4-methoxy­phenyl)­ethane-1,1-diamine and a three-dimensional hydrogen-bonded framework in 2,2,2-trichloro-N,N′-bis­(4-chloro­phenyl)­ethane-1,1-diamine

Zhang, Z.-F.; Qin, J.-H.; Wang, S.-Q.; Qu, G.-R.

doi:10.1107/S0108270107041546

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

IUCr IT WDC

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Figure 3
Part of the crystal structure of (I)

, showing the formation of a C(9) helical chain parallel to the [010] direction. For the sake of clarity, H atoms not involved in the motif shown have been omitted. Atoms marked with an asterisk (*) or ampersand (&) are at the symmetry positions (− $[{1\over 2}]$ − x, y − $[{1\over 2}]$ , z) and (− $[{1\over 2}]$ − x, $[{1\over 2}]$ + y, z), respectively.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 63| Part 11| October 2007| Pages o622-o625

doi:10.1107/S0108270107041546

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