title: Carbamic acid: molecular structure and IR spectra.
abstract: Infrared absorption spectra of mixed H2O, NH3 and 12CO2/13CO2 ices subjected to 1 MeV proton irradiation were investigated. The results of analyses of the spectra suggest formation of carbamic acid at low temperatures. The stability of this compound in the solid phase is attributed to intermolecular hydrogen bonding of the zwitter-ion (NH3+ COO-) structure.
authors.affiliation: Department of Chemistry and Biochemistry, University of Maryland, College Park 20742, USA.
authors.forename: R K
authors.initials: RK
authors.lastname: Khanna
authors.forename: M H
authors.initials: MH
authors.lastname: Moore
mesh_terms: D002219:Carbamates / Q000737:chemistry*; D007053:Ice; D015394:Molecular Structure; D011522:Protons; D013055:Spectrophotometry, Infrared / Q000379:methods
chemical_list: D002219:Carbamates; D007053:Ice; D011522:Protons; C070766:carbamic acid