Abstract
In the title compound, 2C5H7N2 +·C10H4O8 2−, the 2-aminopyridinium (2-apyH) cation and 2,5-dicarboxybenzene-1,4-dicarboxylate (btcH2) anion are both nearly planar, with r.m.s. deviations of 0.015 and 0.050 Å, respectively. The angle between the latter least-squares planes is 17.68 (9)°. The overall crystal structure results from the packing of two-dimensional networks, formed by alternating 2-apyH and btcH2 linked by hydrogen bonds, parallel to (100).
Highlights
In the title compound, 2C5H7N2+C10H4O82, the 2-aminopyridinium (2-apyH) cation and 2,5-dicarboxybenzene-1,4dicarboxylate anion are both nearly planar, with r.m.s
H atoms treated by a mixture of independent and constrained refinement max = 0.20 e Å3
R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger
Summary
Motieiyanb a CEMDRX, Department of Physics, University of Coimbra, P-3004-516 Coimbra, Portugal, and bDepartment of Chemistry, Payame Noor University, 19395-4697. H atoms treated by a mixture of independent and constrained refinement max = 0.20 e Å3. R factor = 0.037; wR factor = 0.102; data-to-parameter ratio = 14.0. 2C5H7N2+C10H4O82, the 2-aminopyridinium (2-apyH) cation and 2,5-dicarboxybenzene-1,4dicarboxylate (btcH2) anion are both nearly planar, with r.m.s. deviations of 0.015 and 0.050 Å, respectively. Deviations of 0.015 and 0.050 Å, respectively The angle between the latter least-squares planes is 17.68 (9). The overall crystal structure results from the packing of twodimensional networks, formed by alternating 2-apyH and btcH2 linked by hydrogen bonds, parallel to (100). Symmetry code: (i) x þ 1; y 12; z þ 12. Data collection: APEX2 (Bruker–Nonius, 2004); cell refinement: SAINT (Bruker, 2003); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: PLATON (Spek, 2009); software used to prepare material for publication: SHELXL97
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