A Mössbauer study of some new compounds with the Fe-Me [Me=Mo,Ni, Cu,Co, Hg,Zn, Cd,Mn, Fe] bond |
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| Authors: | Jing-Kun Zhang Ze-Min Zhang Ning Wang Zheng-Zhi Zhang Hui Chen |
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| Affiliation: | (1) Test and Computation Center, Nankai University, 300071 Tianjin, PR China;(2) Institute of Elementoorganic Chemistry, Nankai University, 300071 Tianjin, PR China |
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| Abstract: | The reaction of trans-(Co)3Fe(PPh2Py)2 with MeXn gave nine new compounds of trans-(CO)3Fe(PPh2Py)2MeXn (MeXn=Co(SCN)2, Ni(SCN)2, Fe(SCN)3, Cd(SCN)2, Mn(SCN)2, Zn(SCN)2, Mo(CO)3, Hg(SCN)2 and CuBr). The compositions of the compounds were determined through elemental analysis. The structural determination was made by IR, FD-MS and31P-NMR. Mössbauer spectra were taken at 78 K. The solid-state structure of the complex has been determined by a single-crystal X-ray diffraction study. The crystal data for trans-(CO)3Fe(Ph2PPy)2Hg(SCN)2 are:a=16.369(5) Å,b=13.754(3) Å,c=17.749(2) Å,r=108.95(2)°, monoclinic space group P21/n,Z= 4. The determination of ESCA demonstrated the change in the Fe value. In the present paper, the effect of the ligands on Fe-metal bonds is discussed. |
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