Article

7-Methoxy-2,3-dioxo-1,4-dihydroquinoxalin-6-aminium chloride monohydrate.

Institute of Inorganic and Analytical Chemistry, Goethe University, Max-von-Laue-Strasse 7, D-60438 Frankfurt am Main, Germany.
Acta crystallographica. Section C, Crystal structure communications (impact factor: 0.78). 01/2010; 66(Pt 1):o1-4. DOI:10.1107/S0108270109050197 pp.o1-4
Source: PubMed

ABSTRACT Single crystals of the title compound, C(9)H(10)N(3)O(3)(+).Cl(-).H(2)O, were obtained by recrystallization from hydrochloric acid. The cations stack along the crystallographic a direction. The 2,3-dioxo-1,4-dihydroquinoxaline group shows a significant deviation from planarity [r.m.s. deviation from the best plane = 0.063 (2) A]. Hydrogen bonding links the cations, chloride anions and water molecules to form an extended three-dimensional architecture.

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Keywords

2,3-dioxo-1,4-dihydroquinoxaline group
 
cations stack
 
chloride anions
 
hydrochloric acid
 
planarity [r.m.s. deviation
 
Single crystals
 

Jürgen Brüning