Carbonyl Complexes of Iron(II), Ruthenium(II), and Osmium(II) 5,10,15,20-Tetraphenylporphyrinates: A Comparative Investigation by X-ray Crystallography, Solid-State NMR Spectroscopy, and Density Functional Theory
作者:Renzo Salzmann、Christopher J. Ziegler、Nathalie Godbout、Michael T. McMahon、Kenneth S. Suslick、Eric Oldfield
DOI:10.1021/ja9740069
日期:1998.11.1
characterized via single-crystal X-ray diffraction methods iron(II), ruthenium(II), and osmium(II) carbonyl derivatives of (1-methylimidazole)(5,10,15,20-tetraphenylporphyrinate) [(5,10,15,20-tetraphenylporphyrinate = TPP)], Fe(TPP)(CO)(1-MeIm)·toluene, Ru(TPP)(CO)(1-MeIm)·chloroform, and Os(TPP)(CO)(1-MeIm)·chloroform, together with the osmium(II) pyridine adduct Os(TPP)(CO)(py)·2benzene. The crystallographic
我们已经通过单晶 X 射线衍射方法合成并表征了(1-甲基咪唑)(5,10,15,20-四苯基卟啉)的铁(II)、钌(II)和锇(II)羰基衍生物[( 5,10,15,20-四苯基卟啉酸盐 = TPP)]、Fe(TPP)(CO)(1-MeIm)·甲苯、Ru(TPP)(CO)(1-MeIm)·氯仿和 Os(TPP)( CO)(1-MeIm)·氯仿,以及锇(II)吡啶加合物Os(TPP)(CO)(py)·2苯。晶体学结果允许对可由 TPP、Fe、Ru、Os 和两种轴向碱基 1-甲基咪唑和吡啶制备的所有六种羰基金属卟啉进行详细的结构比较。所有三种 (Fe, Ru, Os) 1-甲基咪唑配合物的结构都显示出主要的鞍形畸变,畸变程度为 Fe > Ru ∼ Os。对于吡啶配合物,卟啉环平面度的偏差比 1-甲基咪唑物种的偏差小一个数量级。所有配合物中的 M-C-O 键角都在 176.8-17...