Ethylene Polymerization by 2-Methyl-8-(benzimidazol)quinolyliron(II) Pre-Catalyst: a DFT Understanding its Chain Propagation and Transfer | |
Yang, Wenhong1,2; Taniike, Toshiaki3; Terano, Minoru3; Chen, Yan1,2; Sun, Wen-Hua1,2![]() | |
刊名 | JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY
![]() |
2014-12-01 | |
卷号 | 25期号:12页码:2244-2250 |
关键词 | density functional theory iron complex pre-catalyst ethylene polymerization chain propagation chain transfer |
英文摘要 | The ethylene polymerization mechanism of the 2-methyl-8-(benzimidazol) quinolyliron(II) pre-catalyst is investigated by the DFT calculations, illustrating the possible intermediates with their geometrical and spin configurations. Regarding either methyl or ethyl group bonding on iron cores, the energy barriers for ethylene insertion have been extensively calculated. Within the iron-methyl species, both resting state and transition state favor the configurations at high-spin state (quintet); whilst the iron-ethyl species prefer the low-spin state. According to the energy barriers, the chain propagation is more favorable than chain transfer for the bidentate iron pre-catalyst, which is well consistent with the experimental observation. |
收录类别 | SCI |
语种 | 英语 |
公开日期 | 2015-11-03 |
内容类型 | 期刊论文 |
源URL | [http://ir.iccas.ac.cn/handle/121111/28480] ![]() |
专题 | 化学研究所_工程塑料实验室 |
作者单位 | 1.Chinese Acad Sci, Inst Chem, Key Lab Engn Plast, Beijing 100190, Peoples R China 2.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China 3.Japan Adv Inst Sci & Technol, Sch Mat Sci, Nomi, Ishikawa 9231292, Japan |
推荐引用方式 GB/T 7714 | Yang, Wenhong,Taniike, Toshiaki,Terano, Minoru,et al. Ethylene Polymerization by 2-Methyl-8-(benzimidazol)quinolyliron(II) Pre-Catalyst: a DFT Understanding its Chain Propagation and Transfer[J]. JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY,2014,25(12):2244-2250. |
APA | Yang, Wenhong,Taniike, Toshiaki,Terano, Minoru,Chen, Yan,&Sun, Wen-Hua.(2014).Ethylene Polymerization by 2-Methyl-8-(benzimidazol)quinolyliron(II) Pre-Catalyst: a DFT Understanding its Chain Propagation and Transfer.JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY,25(12),2244-2250. |
MLA | Yang, Wenhong,et al."Ethylene Polymerization by 2-Methyl-8-(benzimidazol)quinolyliron(II) Pre-Catalyst: a DFT Understanding its Chain Propagation and Transfer".JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY 25.12(2014):2244-2250. |
个性服务 |
查看访问统计 |
相关权益政策 |
暂无数据 |
收藏/分享 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论