Abstract
In 9H-adenine-1,7-diium hemioxalate chloride, C(5)H(7)N(5)(2+).0.5C(2)O(4)(2-).Cl(-), (I), adenine is doubly protonated, while in 7H-adenin-1-ium semioxalate hemi(oxalic acid) monohydrate, C(5)H(6)N(5)(+).C(2)HO(4)(-).0.5C(2)H(2)O(4).H(2)O, (II), adenine and one oxalate anion are both monoprotonated. In (I), the adeninium cation forms R(2)(2)(8) and R(1)(2)(5) hydrogen-bonding motifs with the centrosymmetric oxalate anion, while in (II), the cation forms R(2)(1)(6) and R(1)(2)(5) motifs with the centrosymmetric oxalic acid molecule and R(1)(2)(5)and R(2)(2)(9) motifs with the monoprotonated oxalate anion. Linear hydrogen-bonded trimers are observed in (I) and (II). In both structures, the hydrogen bonds lead to the formation of two-dimensional supramolecular hydrogen-bonded sheets in the crystal packing. The significance of this study lies in the analysis of the interactions occurring via hydrogen bonds and the diversity seen in the supramolecular hydrogen-bonded networks as a result of such interactions.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Acta Crystallographica Section C Crystal Structure Communications
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
