rac-4-Carbamoylpiperidinium cis-2-carboxycyclohexane-1-carboxylate

Smith, Graham & Wermuth, Urs D. (2012) rac-4-Carbamoylpiperidinium cis-2-carboxycyclohexane-1-carboxylate. Acta Crystallographica. Section E : Structure Reports Online, 68, o660-o660.

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In the title salt, racemic C6H12N2O+ C8H11O4- from the reaction of cis-cyclohexane-1,2-dicarboxylic anhydride with isonipecotamide, the cations are linked into duplex chain substructures through both centrosymmetric cyclic head-to-head 'amide motif' hydrogen-bonding associations [graph set R2/2(8)] and 'side-by-side' R2/2(14) associations. The anions are incorporated into the chains through cyclic R3/4(10) interactions involving amide and piperidinium N-H...O(carboxyl) hydrogen bonds which, together with inter-anion carboxylic acid O-H...O(carboxyl) hydrogen bonds, give a two-dimensional layered structure extending along (011).

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ID Code: 48838
Item Type: Journal Article
Refereed: Yes
Keywords: crystal structure, hydrogen bonding, isonipecotamide, proton transfer
DOI: 10.1107/S1600536812004710
ISSN: 1600-5368
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2012 IUCr
Copyright Statement: This open-access article is distributed under the terms of the Creative Commons Attribution Licence
http://creativecommons.org/licenses/by/2.0/uk/legalcode, which permits unrestricted use, distribution, and
reproduction in any medium, provided the original authors and source are cited.
Deposited On: 23 Feb 2012 23:12
Last Modified: 28 Sep 2012 06:06

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