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Synthesis, Crystal Structure and Luminescence Property of a Chiral Magnesium (II) Mixed-ligand Complex [Mg(H 2 O) 2 (phen)(HBDC) 2 ](phen)

Synthesis, Crystal Structure and Luminescence Property of a Chiral Magnesium (II) Mixed-ligand Complex [Mg(H 2 O) 2 (phen)(HBDC) 2 ](phen),10.1007/s10

Synthesis, Crystal Structure and Luminescence Property of a Chiral Magnesium (II) Mixed-ligand Complex [Mg(H 2 O) 2 (phen)(HBDC) 2 ](phen)  
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Abstract  A new mixed-ligand complex of [Mg(H2O)2(phen)(HBDC)2](phen) (phen = 1, 10-phenanthroline, H2BDC = 1,3-benzene dicarboxylic acid) has been synthesized and its crystal structure determined by single-crystal X-ray diffraction. It is noteworthy that this complex was formed from achiral reactants, and found to crystallize in the chiral space group C2. Structure analysis shows that each Mg(II) ion is coordinated by the two nitrogen atoms of phen, one oxygen atom from each of the two 1,3-HBDC molecules and one oxygen atom from each of the two water molecules, leading to a distorted octahedral geometry. The mixed-ligand complexes are assembled into a two-dimensional supramolecular network through the formation of intermolecular hydrogen bonds. The luminescence property and thermal stability behavior of the complex were also investigated. The complex shows a strong blue luminescence emission. Crystal data: a = 24.5856(16), b = 10.1598(6), c = 7.1460(4) Å, β = 105.226(2)º, V = 1722.30(18)Å3, Z = 2, R 1 = 0.0367, wR 2 = 0.0833 [I>2σ(I)]. Graphical Abstract  In this paper, the complex formed from achiral reactants and crystallized in chiral space group C2, and the luminescence property and thermal stability of the complex was investigated and it shows strong blue photoluminescence.
Journal: Journal of Chemical Crystallography - J CHEM CRYSTALLOGRAPHY , vol. 41, no. 2, pp. 143-146, 2011
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