Studies on Infrared Spectra of Bistetraphenylmetalloporphyrin Dimers Linked by a Flexible Alkoxy Chain

Chem. J. Chinese Universities ›› 1996, Vol. 17 ›› Issue (6): 849.

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Studies on Infrared Spectra of Bistetraphenylmetalloporphyrin Dimers Linked by a Flexible Alkoxy Chain

JI Sheng-Fu¹, KOU Yuan¹, JI Wei-Jie¹, LI Shu-Ben¹, LIU Zhan-Liang², HUANG Jin-Wang², JI Liang-Nian²

1. Statc Key Lab, of Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Scieces, Lanzhou 730000;
2. Department of Chemistry, Zhongshan University, Guangzhou, 510275

Received:1995-06-22 Online:1996-06-24 Published:1996-06-24

Abstract

Abstract: The FTIRspectra(3600～150 cm^-1)of bisteraphenylmetalloporphyrin dimers linked by a flexible alkoxy chain were measured and investigated.The major bands have been empirically assigned in comparison with a large number of porphyrins and metalloporphyrin complexes.The metal sensitive bands were found at 1558;2,l472.2,1401.9,1350.5,l 001.7,965.9,877.3 and 798.8 cmr) The structure sensitive bands of both the metal and the alkoxy chain were found at l 595.1,1491.1,851.1 and 723.8cm^-1.The v_Mn-Cl and ^-1,v_Fe-Cl were found at 3l8.2 and 371.4 cm^-1 respectively.The vibration coupling between the M──N and the porphyrin ring deformation is Co(Ⅱ)>Mn(Ⅲ)>Fe(Ⅲ).The vibration coupling between the M-Nstretching modes and the porphyrin ring deformation is MP>Mp-MP.The vibration coupling between the M-Nbending modes and the porphyrin ring deformation is MP<MP-MP.

Key words: Bismetalloporphyrin dimers, FTIR, Alkoxy chain

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JI Sheng-Fu, KOU Yuan, JI Wei-Jie, LI Shu-Ben, LIU Zhan-Liang, HUANG Jin-Wang, JI Liang-Nian. Studies on Infrared Spectra of Bistetraphenylmetalloporphyrin Dimers Linked by a Flexible Alkoxy Chain[J]. Chem. J. Chinese Universities, 1996, 17(6): 849.

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Studies on Infrared Spectra of Bistetraphenylmetalloporphyrin Dimers Linked by a Flexible Alkoxy Chain

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