Abstract
Erbium (III) coordination compound with the formula [Er(IN)3(H2O)2]n 1 (HIN = isonicotinic acid) was synthesized by mixing Er2O3 with isonicotinic acid under hydrothermal condition. The structure of the title compound was determined by single crystal X-ray diffraction analysis, which reveals that the 1-D chain-like structure is formed by the erbium polyhedra through the carboxyl groups of IN. It crystallizes in the monoclinic system, possesses space group C2/c, with lattice parameters: a = 20.229(10) A, b = 11.594(6) A, c = 9.871(5) A, α = γ=90°, β = 115.509(6)°, V = 2089.3(18) A3, and D calc = 1.811 mg/cm3 for Z = 4, F(000) = 1108, GOF = 1.109, R1 = 0.0675. Compound 1 has been characterized by IR absorption spectroscopy, ultraviolet excitation and emission spectrum. Erbium (III) coordination compound with the formula [Er(IN)3(H2O)2]n 1 (HIN = isonicotinic acid) was synthesized by mixing Er2O3 with isonicotinic acid under hydrothermal condition. The single crystal X-ray diffraction analysis reveals that the 1-D chain-like structure of 1 is formed by the erbium polyhedra through the carboxyl groups of IN.
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