DFT Studies on Hydrogen Bonding in Water Complexes of Amino-substituted Pyridine 


Vol. 47,  No. 2, pp. 96-103, Apr.  2003
10.5012/jkcs.2003.47.2.096


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  Abstract

피리딘-물 착화합물을 포함한 아미노 치환 피리딘-물 착화합물의 수소결합 상호작용에너지를 조사하기 위하여 Density Functional Theory(DFT) 계산을 수행하였다. 아울러 피리딘 및 아미노 치환 피리딘 분자들의 몇가지 평형구조의 성질을 B3LYP/aug-cc-pVDZ 수준에서 구하였다. 그 결과 피리딘의 아미노 치환은 피리딘의 양성자 친화도를 증가시키고 수소결합을 안정화시킴을 알았다. 물과의 착화합물 형성에 따른 안정화 정도는 아미노기의 수와 치환 위치에 따라 변하였다. Density Functional Theory(DFT) calculations are performed to estimate the hydrogen bonding interaction energies in pyridine-water and amino-substituted pyridine-water complexes. Some equilibrium properties are also obtained for these complexes at B3LYP/aug-cc-pVDZ level. It is shown that the amino substitution increases the proton affinity of pyridine and stabilizes the hydrogen bond. The degree of stabilization upon formation of the complex varies with the number and the position of the amino groups.

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  Cite this article

[IEEE Style]

G. Lee and O. Kim, "DFT Studies on Hydrogen Bonding in Water Complexes of Amino-substituted Pyridine," Journal of the Korean Chemical Society, vol. 47, no. 2, pp. 96-103, 2003. DOI: 10.5012/jkcs.2003.47.2.096.

[ACM Style]

Gab-Yong Lee and Ok-Ju Kim. 2003. DFT Studies on Hydrogen Bonding in Water Complexes of Amino-substituted Pyridine. Journal of the Korean Chemical Society, 47, 2, (2003), 96-103. DOI: 10.5012/jkcs.2003.47.2.096.

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ISSN(Print) 1017-2548
ISSN(Online) 2234-8530