Hydrothermal synthesis, crystal structure and thermal stability of a new 2D layered metal(II) phosphonate: [NH3CH2CH2NH3][Fe2(O3PCH(OH)CO2)2(H2O)2]·2H2O

Author: Sun Zhen-Gang   Dong Da-Peng   Li Jing   Cui Lian-Yi   Zhu Yan-Yu   Zhang Jing   Zhao Yan   You Wan-Sheng   Zhu Zai-Ming  

Publisher: Taylor & Francis Ltd

ISSN: 0095-8972

Source: Journal of Coordination Chemistry, Vol.60, Iss.23, 2007-12, pp. : 2541-2547

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Abstract

In the presence of ethylenediamine template agents, a metal(II) phosphonate, [NH3CH2CH2NH3][Fe2(O3PCH(OH)CO2)2(H2O)2] · 2H2O (1) has been synthesized under hydrothermal conditions and characterized by single-crystal X-ray diffraction as well as infrared spectroscopy, elemental analysis and thermogravimetric analysis. The compound crystallines in the monoclinic space group P21/n: Crystal data for 1: a = 8.4523(8) Å, b = 9.8196(9) Å, c = 10.9217(10) Å, β = 105.9500(10)°, V = 871.58(14) Å, Z = 2, Dc = 2.103 g cm-3, R1 = 0.0290, wR2 = 0.0811. The Fe (II) cation is octahedrally coordinated by six oxygen atoms from the three ligands and one coordinated water molecule to form a 2D layered structure with a one-dimensional channel system in the a-axis direction.

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