Supramolecular network formed through O-H$\cdots$O and $\pi-\pi$ stacking interactions: Hydrothermal syntheses and crystal structures of M(H2O)6](optp)2 (M = Mg, Ni, Zn, and optp = 1-oxopyridinium-2-thiopropionate)
Murugan Indrani Ramasamy Ramasubramanian Frank R Fronczek Dario Braga N Y Vasanthacharya Sudalaiandi Kumaresan
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A novel class of complexes of the type [M(H2O)6](optp)2 (where M = Mg, Ni, Zn, and optp = 1-oxopyridinium-2-thiopropionate) were prepared hydrothermally from metal acetates and 1-oxopyridinium-2-thiopropionic acid (Hoptp), and structurally characterized by X-ray diffraction. Complexes [Mg(H2O)6](optp)2 (1), [Ni(H2O)6](optp)2 (2) and [Zn(H2O)6](optp)2 (3) have isomorphic structures, consisting of one [M(H2O)6]2+ cation and two anions of Hoptp, which are linked through hydrogen bonding to form extended networks. In each case, the metal cation sits on a crystallographic centre of inversion and binds to six water molecules. The organic anions form a one-dimensional chain with the hexaaquametal(II) moieties via hydrogen bonds.
Murugan Indrani1 Ramasamy Ramasubramanian1 Frank R Fronczek2 Dario Braga3 N Y Vasanthacharya4 Sudalaiandi Kumaresan1
Volume 135, 2023
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