title: Excess infrared absorption spectroscopy and its applications in the studies of hydrogen bonds in alcohol-containing binary mixtures.
abstract: Excess infrared (IR) absorption spectroscopy, a new concept brought forward by applying the idea of excess thermodynamic functions to infrared spectroscopy, is shown to be a potential method to study hydrogen bonds. It can be applied to enhance spectral resolution of complexed IR bands, to evaluate nonideality of liquid mixtures, and to estimate selective molecular interactions. The sign of the excess infrared absorption coefficient is also of importance in providing information on molecular interactions. The results demonstrate that excess infrared absorption spectroscopy can unveil new information on hydrogen bonding in condensed phases.
authors.affiliation: Key Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China.
authors.forename: Qingzhong
authors.initials: Q
authors.lastname: Li
authors.forename: Nannan
authors.initials: N
authors.lastname: Wang
authors.forename: Qun
authors.initials: Q
authors.lastname: Zhou
authors.forename: Suqin
authors.initials: S
authors.lastname: Sun
authors.forename: Zhiwu
authors.initials: Z
authors.lastname: Yu
mesh_terms: D000438:Alcohols / Q000737:chemistry*; D004121:Dimethyl Sulfoxide / Q000737:chemistry*; D000431:Ethanol / Q000737:chemistry; D006860:Hydrogen Bonding; D000432:Methanol / Q000737:chemistry; D013055:Spectrophotometry, Infrared / Q000379:methods*; D020002:tert-Butyl Alcohol / Q000737:chemistry
chemical_list: D000438:Alcohols; D000431:Ethanol; D020002:tert-Butyl Alcohol; D000432:Methanol; D004121:Dimethyl Sulfoxide