Molecular mechanics study of the ruffling of metalloporphyrins

Molecular mechanics study of the ruffling of metalloporphyrins
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金属卟啉褶皱的分子力学研究

DOI:
10.1021/ja00044a038
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发表时间:
1992
影响因子:
15
通讯作者:
P. W. Wade
P. W. Wade
中科院分区:
化学1区
文献类型:
--
作者:
O. Munro;J. C. Bradley;R. D. Hancock;H. Marques;F. Marsicano;P. W. Wade

文献摘要

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使用程序 MM2(87) 的修改版本的分子力学技术被用来分析金属卟啉的褶皱作为金属离子大小、轴向配体的方向和卟啉外围取代基的方向的函数。选择用于参数化的结构 [P(TPP)(OH) 2 ] + 、低自旋的平面和褶皱形式 (S=0) [Ni(OEP)]、(S=1) (Fe(TPP)]、[Zn(TPP)] 和 (Pb(TPrP)] 包含尺寸非常不同的金属离子,因此卟啉核褶皱的程度
Molecular mechanics techniques using a modified version of the program MM2(87) were used to analyze the ruffling of metalloporphyrins as a function of metal ion size, orientation of axial ligands, and orientation of substituents on the porphyrin periphery. The structures chosen for the parametrization, [P(TPP)(OH) 2 ] + , the planar and ruffled forms of low-spin (S=0) [Ni(OEP)], (S=1) (Fe(TPP)], [Zn(TPP)], and (Pb(TPrP)], contain metal ions of very different sizes and hence extents of porphyrin core ruffling