Mirzaei Masoud, Eshtiagh-Hosseini Hossein, Mague Joel T
Acta Crystallogr Sect E Struct Rep Online. 2012 Feb 1;68(Pt 2):m174. doi: 10.1107/S1600536812001493. Epub 2012 Jan 21.
In the title compound, (C(5)H(7)N(2))[Fe(C(7)H(3)NO(4))(2)] or [2-apyH][Fe(pydc)(2)], the asymmetric unit contains an Fe(pydc)(2) (pydc is pyridine-2,6-dicarboxyl-ate) anion and a protonated 2-amino-pyridine cation (2-apyH). The complex anion contains an Fe(III) atom within a distorted octahedral FeN(2)O(4) coordination geometry. N-H⋯O and C-H⋯O hydrogen bonding, offset π-π stacking [centroid-centroid distance = 3.805 (13) Å] and C=O⋯π inter-actions [3.494 (14) Å] generate a three-dimensional network structure.
在标题化合物(C₅H₇N₂)[Fe(C₇H₃NO₄)₂] 或 [2 - apyH][Fe(pydc)₂] 中,不对称单元包含一个 [Fe(pydc)₂]⁻(pydc 为吡啶 - 2,6 - 二羧酸根)阴离子和一个质子化的 2 - 氨基吡啶阳离子([2 - apyH]⁺)。配合物阴离子中的 Fe(III) 原子处于扭曲的八面体 FeN₂O₄ 配位几何构型中。N - H⋯O 和 C - H⋯O 氢键、错位 π - π 堆积 [质心 - 质心距离 = 3.805 (13) Å] 以及 C = O⋯π 相互作用 [3.494 (14) Å] 形成了三维网络结构。