Abstract
Chemical preparation, X-ray single-crystal, thermal behavior, and IR spectroscopy studies of a new dihydrogenmonophosphate associated to an organic cation, the 3-(ammoniummethyl)pyridine dihydrogenmonophosphate (denoted as AMPP) are described. The AMPP crystallizes in the monoclinic system with P21/c space group. The unit cell dimensions are a = 5.8465(2) Å, b = 19.9776(9) Å, c = 7.3103(3) Å, β = 90.848(3)° with V = 853.74(4) Å3 and Z = 4. The structure has been solved using direct method and refined to a reliability R factor of 0.0393. The structure of AMPP includes three types of hydrogen bonds. The first one, O\(---\)H ⋅⋅⋅ O, links the H2PO4 groups to form infinite inorganic chains [H2PO4]n n−, parallel to the c axis. The two other types, O\(---\)H ⋅⋅⋅ N and N\(---\)H ⋅⋅⋅ O assemble inorganic chains so as to build up a three-dimensional arrangement.
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Chtioui, A., Jouini, A. Structure, thermal behavior, and IR investigations of (C6H9N2)H2PO4 . Journal of Chemical Crystallography 34, 43–49 (2004). https://doi.org/10.1023/B:JOCC.0000014687.42317.b2
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DOI: https://doi.org/10.1023/B:JOCC.0000014687.42317.b2