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author:

陈文凯 (陈文凯.) [1] (Scholars:陈文凯) | 许娇 (许娇.) [2] | 章永凡 (章永凡.) [3] (Scholars:章永凡) | 周立新 (周立新.) [4]

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Abstract:

本文采用量子化学的Hatree-Fock方法和密度泛函理论(DFT)的B3LYP方法,在6-31G(d)水平上,研究了2-羟基吡啶分子(Hy)及其酮式互变异构体2(1H)-吡啶酮(Py)与水的相互作用。考察它们之间在形成Hy…H2O,Py…H2O,Hy…Hy,Py…Py和Hy…Py等复合物前后的能量变化和分子结构参数变化特点。计算结果表明,在这些复合物中都形成了较强的氢键作用,在水合物中,Py与水形成复合物时能量降低较多,与实验结果一致。经过零点振动能(ZPVE)和基组叠加误差(BSSE)校正后的复合物离解能分别为38.3,40.8,73.0,82.7和71.1 kJ/mol(B3LYP/6-...

Keyword:

2-羟基吡啶 互变异构体 氢键

Community:

  • [ 1 ] 福州大学化学系
  • [ 2 ] 结构化学国家重点实验室 福州350002
  • [ 3 ] 福州350002

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Source :

结构化学

ISSN: 0254-5861

CN: 35-1112/TQ

Year: 2002

Issue: 05

Page: 567-571

0 . 3 2 4

JCR@2002

5 . 9 0 0

JCR@2023

JCR Journal Grade:4

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: 6

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