Synthesis and Characterization of a Manganese(Ⅱ) Coordination Compound with Two-dimensional Layer St

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A new complex {[Mn2(IP)2(1,4-bdc)2]·H2O}n(1)(IP = 1H-imidazo[4,5-f][1,10]-phenanthroline, 1,4-H2 bdc = 1,4-benzendicarboxylic acid), have been hydrothermally synthesized and characterized by single-crystal X-ray diffraction. It crystallizes in monoclinic, space group Cc with a = 20.326(2), b = 24.249(2), c = 7.621(1), β = 108.546(6), V = 3561.2(7)3, Z = 4, Dc = 1.672 g/cm3, μ = 0.785 mm-1, F(000) = 1824, S = 1.067, the final R = 0.0299 and wR = 0.0752. Compound 1 possesses a 2D structural motif, in which two crystallographically independent 1,4-bdc dianions adopt the alternative mode of mixed bis(bidentate) and monodentate-bidentate coordination modes to bridge neighboring Mn(II) centers. And the 2D layers are linked up by hydrogen bonding and π···π stacking interactions to form a 3D network. The title compound has good thermal stability and exhibits photoluminescent emission maximum at 518 nm. A new complex {[Mn2 (IP) 2 (1,4-bdc) 2] · H2O} n (1) (IP = 1H-imidazo [4,5-f] [1,10] -phenanthroline, -H2 bdc = 1,4-benzendicarboxylic acid, have been hydrothermally synthesized and characterized by single-crystal X-ray diffraction. It crystallizes in monoclinic space group Cc with a = 20.326 (2), b = 24.249 F = (000) = 1824, S = 7.621 (1) β β = 108.546 (6) V = 3561.2 (7) 3 Z = 4 Dc = 1.672 g / cm3 μ = 0.785 mm- = 1.067, the final R = 0.0299 and wR = 0.0752. Compound 1 possesses a 2D structural motif, in which two two crystallographically independent 1,4-bdc dianions adopt the alternative mode of mixed bis (bidentate) and monodentate-bidentate coordination modes to bridge Neighboring Mn (II) centers. And the 2D layers are linked up by hydrogen bonding and π ··· π stacking interactions to form a 3D network. The title compound has good thermal stability and exhibits photoluminescent emission maximum at 518 nm.
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