Citation:
DING Dan-Dan, ZHANG Xiu-Mei, LIU Jie-Ping. Synthesis, Crystal Structure and Electrochemical Properties of a Cobalt Compound Based on N-(4-pyridylmethyl)imidazole Ligand[J]. Chinese Journal of Structural Chemistry,
2014, 33(7): 1037-1042.
Synthesis, Crystal Structure and Electrochemical Properties of a Cobalt Compound Based on N-(4-pyridylmethyl)imidazole Ligand
摘要:
One compound with N-(4-pyridylmethyl)imidazole liand, [Co(pyim)2(N3)2]n 1 (pyim=N-(4-pyridylmethyl)imidazole), was synthesized and structurally characterized. Compound 1 crystallizes in triclinic, space group P21/c with a=8.090(3), b=16.109(3), c=8.590(3), β=117.800(12)°, V=990.3(5) Å3, Z=2, Mr=461.37, Dc=1.547 g/cm3, F(000)=474, μ=0.901 mm-1, the final R=0.0381 and wR=0.0950 for 1581 observed reflections with I>2σ(I). In this compound, the unique Co(Ⅱ) resides at a crystallographic inversion center and exhibits an octahedral coordination geometry. The adjacent Co(Ⅱ) ions are connected by the pyim ligands to form a 2D layer structure. The layers are stacked in an ABAB mode and reinforced by the weak interlayer C-H…N hydrogen bonds and π-π stacking to give a 3D architecture. The thermal property and electrochemical property of compound 1 have also been studied.
English
Synthesis, Crystal Structure and Electrochemical Properties of a Cobalt Compound Based on N-(4-pyridylmethyl)imidazole Ligand
Abstract:
One compound with N-(4-pyridylmethyl)imidazole liand, [Co(pyim)2(N3)2]n 1 (pyim=N-(4-pyridylmethyl)imidazole), was synthesized and structurally characterized. Compound 1 crystallizes in triclinic, space group P21/c with a=8.090(3), b=16.109(3), c=8.590(3), β=117.800(12)°, V=990.3(5) Å3, Z=2, Mr=461.37, Dc=1.547 g/cm3, F(000)=474, μ=0.901 mm-1, the final R=0.0381 and wR=0.0950 for 1581 observed reflections with I>2σ(I). In this compound, the unique Co(Ⅱ) resides at a crystallographic inversion center and exhibits an octahedral coordination geometry. The adjacent Co(Ⅱ) ions are connected by the pyim ligands to form a 2D layer structure. The layers are stacked in an ABAB mode and reinforced by the weak interlayer C-H…N hydrogen bonds and π-π stacking to give a 3D architecture. The thermal property and electrochemical property of compound 1 have also been studied.
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