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Quantitative Investigation of the Electronic and Steric Influences on Ethylene Oligo/Polymerization by 2-Azacyclyl-6-aryliminopyridylmetal (Fe, Co, and Cr) Complexes
Yi, Jun1,2; Yang, Wenhong1,2; Sun, Wen-Hua1,2
2016-03-01
Source PublicationMACROMOLECULAR CHEMISTRY AND PHYSICS
Volume217Issue:6Pages:757-764
AbstractThe multiple linear regression analysis is performed to investigate both electronic and steric effects of ligands on the catalytic activities of the transition metal complexes in ethylene oligo/polymerization. The Hammett constants (F) and effective net charge (Q) are used to describe the electronic effect, meanwhile the steric effect is illustrated by open cone angle (theta) and bite angle (beta). Four series of 2-azacyclyl-6-aryliminopyridylmetal (Fe, Co, and Cr) analog complexes are calculated and the catalytic activity can be efficiently analyzed through taking both the electronic and steric effects into account. All of the obtained correlation coefficient R-2 values are over 0.93. The electronic effect is dominant in determining the catalytic activities for Fe and Co complexes; however, the steric effect plays a major role in controlling activities of Cr complexes.
KeywordCatalytic Activity Electronic Effect Mlra Steric Effect Transition Metal Complex
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/35942
Collection工程塑料实验室
Affiliation1.Chinese Acad Sci, Inst Chem, Lab Engn Plast, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Yi, Jun,Yang, Wenhong,Sun, Wen-Hua. Quantitative Investigation of the Electronic and Steric Influences on Ethylene Oligo/Polymerization by 2-Azacyclyl-6-aryliminopyridylmetal (Fe, Co, and Cr) Complexes[J]. MACROMOLECULAR CHEMISTRY AND PHYSICS,2016,217(6):757-764.
APA Yi, Jun,Yang, Wenhong,&Sun, Wen-Hua.(2016).Quantitative Investigation of the Electronic and Steric Influences on Ethylene Oligo/Polymerization by 2-Azacyclyl-6-aryliminopyridylmetal (Fe, Co, and Cr) Complexes.MACROMOLECULAR CHEMISTRY AND PHYSICS,217(6),757-764.
MLA Yi, Jun,et al."Quantitative Investigation of the Electronic and Steric Influences on Ethylene Oligo/Polymerization by 2-Azacyclyl-6-aryliminopyridylmetal (Fe, Co, and Cr) Complexes".MACROMOLECULAR CHEMISTRY AND PHYSICS 217.6(2016):757-764.
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