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Original Articles

Syntheses, crystal structures and luminescent properties of Ag(I) complexes with benzilic carboxylate and 2,6-pyridinedicarboxylate

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Pages 1211-1215 | Received 07 Aug 2016, Accepted 16 Jan 2017, Published online: 23 Mar 2017
 

ABSTRACT

Two complexes [Ag(bpy)(H2O)]·(Hbac) (1) and [Ag2(bpy)2(H2O)2](pdc)·(H2O)5 (2) (H2bac = benzilic acid, bpy = 4,4′-bypyridine, H2pdc = 2,6-pyridinedicarboxylic acid) have been synthesized and characterized by IR, element analysis, X-ray-single crystal diffraction and TGA. Crystal data for 1: Monoclinic, space group C2/c, a = 18.8192(5) Å, b = 12.7131(5) Å, c = 17.8373(8) Å, β = 95.745(4)°, V = 4246.1(3) Å3 and Z = 8; 2: Triclinic, space group, P-1, a = 8.132(5) Å, b = 10.485(6) Å, c = 18.026(10) Å, α = 96.194(10)°, β = 91.047(11)°, γ = 105.866(10)°, V = 1468.0(15) Å3 and Z = 2. In complex 1, Ag(I) is coordinated by two discrete 4,4′-bpy ligands and one water molecule and Hbac behaves as a counterpart anion. In the crystal, a 3D network was formed by hydrogen bonds and π–π face-to-face interactions. In complex 2, Ag(I) is also coordinated by two discrete 4,4′-bpy ligands and one water molecule and pdc2− behaves as a counterpart anion, too. In the crystal, a similar 3D network was formed by hydrogen bonds and π–π face-to-face interactions as well as that of complex 1. The luminescence properties of 1 and 2 have been investigated.

Funding

Financial support for this study was given by the Key Discipline Project of Hunan Province, the Open Fund of Key Laboratory of Functional Organometallic Materials of Hunan Province College (GN14K02) and Aid program for Science and Technology Innovative Research Team in Higher Educational Institutions of Hunan Province are gratefully acknowledged.

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