Crystal and molecular structure of two organic acid-base adducts from 2-aminopyrimidine and carboxylic acids
Journal of Chemical Crystallography, ISSN: 1074-1542, Vol: 42, Issue: 7, Page: 759-766
2012
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Article Description
Two crystalline organic acid-base adducts [(L)·(Chda), L = 2-aminopyrimidine, Chda = 1,4-cyclohexanedi carboxylic acid] (1), and (2-aminopyrimidine):(butane-1,2,3,4- tetracarboxylic acid):2H O [(HL ) ·(Bta )·2H O, Bta = dihydrogen butane-1,2,3,4-tetracarboxylate] derived from 2-aminopyrimidine and carboxylic acids (1,4-cyclohexanedicarboxylic acid, and butane-1,2,3,4-tetracarboxylic acid) were prepared and characterized by X-ray diffraction analysis, IR,mp, and elemental analysis. Compound 1 crystallizes in the monoclinic, space group P2(1), with a = 5.2153(5) Å, b = 18.2803(17) Å, c = 7.3409(6) Å, β = 107.9960(10)°, V = 665.62(10) Å3, Z = 2.Compound 2 crystallizes in the triclinic, space group P1, with a = 5.2455(7) Å, b = 8.4637(11) Å, c = 12.0299(15) Å, α = 97.9620(10), β = 98.954(2)°, γ = 95.1990(10), V = 519.04(12) Å , Z = 1. Both supramolecular architectures of the compounds 1-2 involve O-H⋯N/N- H⋯O hydrogen bonds as well as CH-O interactions. The role of these noncovalent interactions in the crystal packing is ascertained. These weak interactions combined, both compounds displayed 3D framework structure. © Springer Science+Business Media, LLC 2012.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84864860304&origin=inward; http://dx.doi.org/10.1007/s10870-012-0313-x; http://link.springer.com/10.1007/s10870-012-0313-x; http://link.springer.com/content/pdf/10.1007/s10870-012-0313-x; http://link.springer.com/content/pdf/10.1007/s10870-012-0313-x.pdf; http://link.springer.com/article/10.1007/s10870-012-0313-x/fulltext.html; https://dx.doi.org/10.1007/s10870-012-0313-x; https://link.springer.com/article/10.1007/s10870-012-0313-x; http://www.springerlink.com/index/10.1007/s10870-012-0313-x; http://www.springerlink.com/index/pdf/10.1007/s10870-012-0313-x
Springer Science and Business Media LLC
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