Crystal structures and spectroscopic properties of a new zinc phosphite cluster and an unexpected chainlike zinc phosphate obtained by hydrothermal reactions |
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Authors: | Zhi-En Lin |
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Affiliation: | Department of Chemical System Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan |
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Abstract: | A new zinc phosphite cluster, Zn2(4,4′-dmbpy)2(H2PO3)41, and a new chainlike zinc phosphate, Zn2(5,5′-dmbpy)2(HPO4)(H2PO4)22, have been synthesized under hydrothermal conditions (4,4′-dmbpy=4,4′-dimethyl-2,2′-dipyridy, 5,5′-dmbpy=5,5′-dimethyl-2,2′-dipyridy). Compound 1 is a molecular zinc phosphite constructed from ZnO3N2 trigonal bipyramids, H2PO3 pseudo-pyramids and 4,4′-dmbpy ligands. Compound 2 possesses a 1D chainlike framework constructed from ZnO3N2 trigonal bipyramids, HPO4 tetrahedra, H2PO4 tetrahedra and 5,5′-dmbpy ligands. Both compounds 1 and 2 exhibit intensive photoluminescence originated from the intraligand π-π* transitions. Crystal data: 1, monoclinic, P21/n, , , , β=110.857(3)°, , Z=2, R1=0.0297, wR1=0.0801; 2, triclinic, P-1, , , , α=64.995(9)°, β=65.952(9)°, γ=65.296(8)°, , Z=2, R1=0.0418, wR1=0.1010. |
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Keywords: | Hydrothermal synthesis Crystal structure Spectroscopic property Zinc phosphite Zinc phosphate |
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