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Synthesis, growth, structure, and characterization of a novel semiorganic crystal |
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| Authors: | K Muthu S P Meenakshisundaram S C Mojumdar |
| Institution: | 1. Department of Chemistry, Annamalai University, Annamalainagar, 608 002, India 3. Department of Chemical Technologies and Environment, Faculty of Industrial Technologies, Tren?ín University of A. Dub?ek, Púchov, Tren?ín, 020 32, Slovakia 2. Department of Chemistry, University of Guelph, Guelph, ON, Canada |
| Abstract: | Single crystals of (chloro)tris(thiourea-κS)cadmium(II) picrate have been grown by slow evaporation of a mixed solvent system water–acetone containing thiourea, cadmium chloride, and picric acid. The yellow crystals belong to triclinic system with centrosymmetric space group P-1 and the corresponding lattice parameters are a = 7.4632(3) ?, b = 7.9567(3) ?, c = 17.4885(7) ?, α = 98.990(2)°, β = 100.137(2)°, γ = 95.275(2)°, and Z = 2. The vibrational patterns of the as-grown crystals are analyzed by FT-IR and FT-Raman spectral analyses. The optical absorption study was performed to analyze the optical transparency of CTTCP and the crystals were transparent in the visible region and have a lower optical cutoff at ~507 nm with band gap energy of 2.47 eV. TG–DTA thermal analysis shows that the crystal is stable up to ~208 °C and has a good chemical stability. |
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