Crystal structure and two-stage hydrolysis of dimethoxo (meso-tetra(4-methoxyphenylporphyrinato))tin(IV), Sn(tmpp)(OMe)2 |
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| Authors: | Chun-Bo Yang Jo-Yu Tung Jyh-Horung Chen Feng-Ling Liao Sue-Lein Wang Shin-Shin Wang Lian-Pin Hwang |
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| Institution: | (1) Department of Chemistry, National Chung-Hsing University, Taichung, 40227 Taiwan, R.O.C;(2) Department of Chemistry, National Tsing-Hua University, Hsin-Chu, 30043 Taiwan, R.O.C;(3) Union Chemical Laboratories, Hsin-Chu, 30043, Taiwan, R.O.C;(4) Department of Chemistry, National Taiwan University and Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, 10764 Taiwan, R. O. C |
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| Abstract: | In this work, we determine the crystal structure of dimethoxo(meso-tetra(4-methoxyphenylporphyrinato))tin(IV), Sn(tmpp)(OMe)2 (1). Experimental results indicate that the tin atom has an octahedral geometry. The geometry around the tin center has Sn(1)–O(5) = 2.020(6), Sn(1)–O(6) = 2.003(7) Å and an average Sn(1)–N = 2.10(1) Å. The two methoxo groups are unidentately coordinated to the tin(IV) atom. Two-stage hydrolysis of Sn(tmpp)(OMe)2 in CDCl3 was observed by 1H and 13C NMR spectroscopy. Compound (1) crystallizes in the space group P21/n with a = 14.7492(1), b = 19.2022(3), c = 16.0806(2) Å,  = 94.104(1)°, and Z = 4. |
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| Keywords: | Crystal structure tin porphyrin two-stage hydrolysis methanolate trans equivalent axial ligand |
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