Crystal structure and hydrogen bonding in the water-stabilized proton-transfer salt brucinium 4-amino­phenyl­arsonate tetra­hydrate

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Smith, Graham
Wermuth, Urs D.
Griffith University Author(s)
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2016
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Abstract

In the structure of the brucinium salt of 4-amino­phenyl­arsonic acid (p-arsanilic acid), systematically 2,3-dimeth­oxy-10-oxostrychnidinium 4-amino­phenyl­ar­son­ate tetra­hydrate, (C23H27N2O4)[As(C6H7N)O2(OH)]·4H2O, the brucinium cations form the characteristic undulating and overlapping head-to-tail layered brucine substructures packed along [010]. The arsanilate anions and the water mol­ecules of solvation are accommodated between the layers and are linked to them through a primary cation N—H⋯O(anion) hydrogen bond, as well as through water O—H⋯O hydrogen bonds to brucinium and arsanilate ions as well as bridging water O-atom acceptors, giving an overall three-dimensional network structure.

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Acta Cystallographica Section E: Crystallographic Communications
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E72
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5
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© The Author(s) 2016. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Physical sciences
Analytical chemistry
Crystallography
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crystal structure
brucinium salts
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Smith, G; Wermuth, UD, Crystal structure and hydrogen bonding in the water-stabilized proton-transfer salt brucinium 4-amino­phenyl­arsonate tetra­hydrate, Acta Cystallographica Section E: Crystallographic Communications, 2016, 72 (5), pp. 751-755
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