Abstract
A series of Mn(II), Cd(II), and Co(II) metal–organic frameworks, namely, {[Mn(L1)(NCS)2(CH3OH)2]·2(CH3OH)}n (1), {[Mn(L2)2(NCS)2(CH3OH)2]}n (2), {[Mn(L3)2(NCS)2]·0.5(CH3OH)·4.5H2O}n (3), {[Cd(L1)(I)2]·3(H2O)}n (4), {[Cd(L2)(I)2]}n (5), {[Cd(L3)(NCS)2]·2.5(H2O)}n (6), {[Co(L1)2(NCS)2]·4(H2O)}n (7), {[Co(L2)2(NCS)2]·(HCCl3) }n (8), and {[Co(L3)2(NCS)2]·3(H2O)}n (9) (where L1 = N,N′-bis(4-pyridylmethyl)-pyromellitic diimide, L2 = N,N′-bis(3-pyridylmethyl)-pyromellitic diimide, L3 = N,N′-bis(4-pyridylmethyl)-naphthalene diimide), were synthesized and structurally characterized by elemental analyses, thermogravimetric (TG) analyses, powder X-ray diffraction, IR spectroscopy, and single-crystal X-ray diffraction. In Mn(II) complexes 1–3, L1 connects the adjacent metal centers to form an infinite one-dimensional (1D) zigzag coordination polymeric chain, L2 acts as a monodentate ligand to give mononuclear coordination motifs, while L3 bridges two metal ions to generate two-dimensional (2D) networks of the (4, 4) ...
Published Version
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