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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 15, Number 6
JKCSEZ 15(6)
December 20, 1971 

Interactions between Dimethylsulfoxide and Some Organic Molecules

Dimethylsulfoxide와 몇 가지 유기분자와의 상호작용
Si-Joong Kim, Doo-Soon Shin

김시중, 신두순
열가지 유기물질, 즉 니트로벤젠, m-디니트로벤젠, o-디니트로벤젠 1,3,5-트리니트로벤젠, m-크실렌, 메시틸렌, 비벤질, 비페닐, o-페난트린, 및 나프탈린등과 dimethylsulfoxide사이의 상호작용을 검토했다. 이 유기분자들은 모두 라울의 법칙에서 음의 편차를 나타내며, 전하전이착물을 형성한다고 생각된다. 그 착물의 안정도상수를 분광광도법으로 측정하고, 몇가지 열력학함수를 계산햐ㅆ으며 결합에너지가 대개 -1∼-4 kcal/몰임을 알았다. 한편 용매의 영향을 검토하여 착물의 안정도가 용매의 극성은 물론 염기도에 크게 의존함을 알았다.

The interaction between dimethylsulfoxide molecules and some organic molecules, i.e.nitrobenzene, m-dinitrobenzene, ο-dinitrobenzene, 1,3,5-trinitrobenzene, m-xylene, mesitylene, bibenzyl, biphenyl, ο-phenanthrene, naphthalene, has been studied. The organic molecules exhibit negative deviation from Raoult's law due to the formation of the charge transfer complexes with dimethylsulfoxide. The stability constants of the complexes were determined spectrophotometrically, and also some thermodynamic functions were calculated. The binding energies of the complexes appear in the range of -1 ∼ -4 kcal/mole. The stability depends on the polarity and basicity of the solvent used.

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