Two Coordination Polymers Containing Linear Co(II)- Trinuclear and Cu(II)-Chain Assembled from 4-Fluorocinnamic Acid and N-Donor Ligand

KANG Hai-Xia FU Yu-Qin XIN Ling-Yun LI Gui-Lian MA Lu-Fang LIU Guang-Zhen

Citation:  KANG Hai-Xia, FU Yu-Qin, XIN Ling-Yun, LI Gui-Lian, MA Lu-Fang, LIU Guang-Zhen. Two Coordination Polymers Containing Linear Co(II)- Trinuclear and Cu(II)-Chain Assembled from 4-Fluorocinnamic Acid and N-Donor Ligand[J]. Chinese Journal of Structural Chemistry, 2016, 35(2): 286-292. doi: 10.14102/j.cnki.0254-5861.2011-0840 shu

Two Coordination Polymers Containing Linear Co(II)- Trinuclear and Cu(II)-Chain Assembled from 4-Fluorocinnamic Acid and N-Donor Ligand

  • 基金项目:

    Technology Innovation Talents in Universities of Henan Province (No. 14HASTIT017) (No. 14HASTIT017)

    the Foundation of Education Committee of Henan Province (No. 142300410301)  (No. 142300410301)

    the National Natural Science Foundation of China (No. 21571093) (No. 21571093)

摘要: Two new coordination polymers, named {[Co3(pfca)6(phen)2]·2H2O}n (1) and [Cu(pfca)2(4,4'-bpy)(H2O)]n (2) (Hpfca = 4-fluorocinnamic acid and 4,4'-bpy = 4,4'-bipyridine), were hydrothermally synthesized and characterized by elemental analysis, IR spectroscopy, thermogravimetric analysis (TGA), and single-crystal X-ray diffraction. Complex 1 crystallizes in the triclinic crystal system, space group P with a = 10.939(3), b = 12.430(4), c = 13.815(4) Å, α = 78.436(3), β = 70.261(3), γ = 80.268(3)°, V = 1721.8(9) Å3, Dc = 1.508 g/cm3, Mr = 1564.06, Z = 1, F(000) = 799, μ = 0.802 mm-1, the final R = 0.0432 and wR = 0.1015 for 13250 observed reflections with I > 2σ(I). Complex 2 is of monoclinic system, space group P21/c with a = 15.4985(14), b = 15.8424(14), c = 10.9528(10) Å, β = 107.1600(10)°, V = 2569.6(4) Å3, Dc = 1.468 g/cm3, Mr = 568.02, Z = 4, F(000) = 1164, μ = 0.906 mm-1, the final R = 0.0371 and wR = 0.0842 for 18183 observed reflections with I > 2σ(I). Complex 1 features linear Co(II)-trinuclear units, which are assembled into a final 3D supramolecular structure through ππ stacking interactions and F…H weak interactions. Complex 2 consists of 1D polymeric Cu(II)-chains that are further cohered together by extensive H-bonds.

English

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  • 收稿日期:  2015-06-09
  • 网络出版日期:  2015-08-13
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