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author:

周立新 (周立新.) [1] | 莽朝永 (莽朝永.) [2] | 黄尊行 (黄尊行.) [3]

Indexed by:

PKU CSCD

Abstract:

在RHF/6-311G** , RHF/6-311+G**和B3LYP/6-311+G**水平优化得到3,4-二硫方酸(3,4-二巯基-3-环丁烯-1,2-二酮)三种平面构象异构体的平衡几何构型. 用MP2(Full)/6-311+G**//RHF/6-311+G**方法计算单点能量, 发现ZZ型异构体是能量最低构象, 且ZZ和ZE型能量非常接近. 用优化的最稳定构象ZZ型异构体在RHF/6-311G**//RHF/6-311G**, RHF/6-311+G**//RHF/6-311+G**, MP2(Full)/6-311+G**//RHF/6-311+G**和B3LYP/6-311+G**//B3LYP/6-311+G**水平计算其气相酸性(ΔG0)和同键反应芳香性稳定化能(HASE). 用基团加和法(Group Increment Approach)在RHF/6-311+G**//RHF/6-311+G**和B3LYP/6-311+G**//B3LYP/6-311+G**水平计算其磁化率增量(Λ). 计算结果表明, 标题化合物的同键反应芳香性稳定化能和磁化率增量均为负值, 表明它具有芳香性, 实现了标题化合物芳香性的几何、能量和磁性的判定.

Keyword:

3,4-二硫方酸 从头算 密度泛函 气相酸性 芳香性

Community:

  • [ 1 ] [周立新]福州大学
  • [ 2 ] [莽朝永]福州大学
  • [ 3 ] [黄尊行]福州大学

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Source :

高等学校化学学报

ISSN: 0251-0790

CN: 22-1131/O6

Year: 2000

Issue: 4

Volume: 21

Page: 596-600

0 . 5 9

JCR@2000

0 . 7 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

JCR Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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