Electron donor-acceptor properties of substituted pyridine ligands on fac-tricarbonylrhenium(I) systems

被引：6
作者：
Farrell, Joshua R. [1 ]
Kerins, Gerard J. [1 ]
Niederhoffer, Kira L. [1 ]
Crandall, Laura A. [2 ]
Ziegler, Christopher [2 ]
机构：
[1] Coll Holy Cross, Dept Chem, Worcester, MA 01610 USA
[2] Univ Akron, Dept Chem, Akron, OH 44325 USA
来源：
JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2016年 / 813卷
关键词：
Back-bonding; Rhenium(I); MOLECULAR SQUARES; ORGANOMETALLIC COMPLEXES; EXCITED-STATE; RECTANGLES; EXAMPLES; FLUORESCENCE; SPECTROSCOPY; DYNAMICS; CENTERS; FILMS;
D O I：
10.1016/j.jorganchem.2016.03.030
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A series of 4-substituted pyridines were combined with Re(CO)(5)Cl to prepare fac-tricarbonylchlorobis( ligand) rhenium(I) complexes. The Re(I) complexes were characterized by H-1 and C-13 NMR spectroscopy, FTIR spectroscopy, HRMS, and in the case of L = 4-(trifluoromethyl) pyridine, 4-bromopyridine, 4-picoline, and 4-methoxypyridine, single crystal X-ray diffraction studies. In the carbonyl region of the FTIR spectra for these complexes, the three observed stretches shifted to higher energy as the substituent on the pyridine became more electron withdrawing. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：41 / 45
页数：5
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