Abstract
The self-assembly of unsymmetrical tecton 3-nitro-5-(pyridin-4-yl)benzoic acid (HL)with cobalt chloride under hydrothermal conditions affords a new 2D coordination polymer [Co(L)2] n (1, L = 3-nitro-5-(pyridin-4-yl)benzoate), which is characterized by elemental analysis, infrared spectroscopy, thermogravimetric analysis, powder X-ray diffraction analysis, and single crystal X-ray diffraction. Compound 1 is of the triclinic system, space group P-1 with a = 9.7857(12) Å, b = 10.3417(13) Å, c = 10.8463(13) Å, α = 85.155(2)°, β = 74.785(2)°, γ = 88.962(2)°, V = 1055.4(2) Å3. The crystal structural analysis of complex 1 shows that the cobalt center is six-coordinated in an octahedral geometry by four O atoms from four different L ligands and two N atoms from two different L ligands; the Co(II) cations are bridged by μ3-L into an interesting two-dimensional network structure. It should be pointed out that the thermal analysis results indicate that complex 1 is quite stable up to 420°C.
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Original Russian Text © 2014 D.-Y. Ma, H.-F. Guo, L. Qin.
The text was submitted by the authors in English. Zhurnal Strukturnoi Khimii, Vol. 55, No. 4, pp. 751–755, July–August, 2014.
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Ma, D.Y., Guo, H.F. & Qin, L. Structure and characterization of A 2D cobalt(II) complex [Co(L)2] n (L = 3-nitro-5-(pyridine-4-yl)benzoate). J Struct Chem 55, 717–721 (2014). https://doi.org/10.1134/S0022476614040192
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DOI: https://doi.org/10.1134/S0022476614040192