What is it about?
CHO·CHN was studied at 215 (2) K. Its analysis provides important information with regard to the long-standing acid-carboxylate controversy in the urotropine-alkanedioic acid system.
Why is it important?
The chain end-groups display a clear acid character. The asymmetric unit of this commensurate modulated phase contains two molecules of diacid as well as two molecules of urotropine. Furthermore, the chain packing suggests a possible order parameter for the lock-in transition.
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This page is a summary of: The lock-in phase in the urotropine–sebacic acid system, Acta Crystallographica Section C Crystal Structure Communications, August 2001, International Union of Crystallography, DOI: 10.1107/s0108270101007028.
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