Synthesis, Structure and Characterization of a New Iron Coordination Polymer:[Fe(L)(trans-1,4-chdc)]

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A novel Fe(Ⅱ) coordination polymer [Fe(L)(trans-1,4-chdc)]n has been hydrothermally synthesized by using 1,4-cyclohexanedicarboxylic acid (1,4-H 2 chdc) and 2-(2-fluorophenyl)-1H-imidazo[4,5-f][1,10]phenanthroline (L). Crystallographic data: monoclinic, space group C2/c with a=14.571(5), b=32.389(6), c=10.948(5) , β=115.186(5)°, V=4676(3)3 , Z=8, C27H21FFeN4O4 , Mr=540.33, Dc=1.535 g/cm3 , F(000)=2224, μ(MoKa)=0.697 mm-1 , R=0.0462 and wR =0.1110. The two kinds of trans-1,4-chdc ligands link neighboring Fe(Ⅱ) atoms to yield a two-dimensional layer structure. The π-π interactions between the L ligands of neighboring layers result in a three-dimensional supramolecular architecture. The IR and UV-vis spectra of the compound have been investigated in detail. A novel Fe (Ⅱ) coordination polymer [Fe (L) (trans-1,4-chdc)] n has been hydrothermally synthesized by using 1,4-cyclohexanedicarboxylic acid -fluorophenyl) -1H-imidazo [4,5-f] [1,10] phenanthroline (L). Crystallographic data: monoclinic, space group C2 / c with a = 14.571 (5), b = 32.389 = 10.948 5, β = 115.186 (5) °, V = 4676 (3) 3, Z = 8, C27H21FFeN4O4, Mr = 540.33, Dc = 1.535 g / cm3, MoKa) = 0.697 mm-1, R = 0.0462 and wR = 0.1110. The two kinds of trans-1,4-chdc ligands link neighboring Fe (II) atoms to yield a two-dimensional layer structure. The π-π interactions between the L ligands of neighboring layers result in a three-dimensional supramolecular architecture. The IR and UV-vis spectra of the compound have been investigated in detail.
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