title: X-ray emission spectroscopy of hydrogen bonding and electronic structure of liquid water.
abstract: We use x-ray emission spectroscopy to examine the influence of the intermolecular interaction on the local electronic structure of liquid water. By comparing x-ray emission spectra of the water molecule and liquid water, we find a strong involvement of the a(1)-symmetry valence-orbital in the hydrogen bonding. The local electronic structure of water molecules, where one hydrogen bond is broken at the hydrogen site, is separately determined. Our results provide an illustration of the important potential of x-ray emission spectroscopy for elucidating basic features of liquids.
authors.affiliation: Department of Physics, Uppsala University, Box 530, SE-751 21 Uppsala, Sweden. jguo@lbl.gov
authors.forename: J-H
authors.initials: JH
authors.lastname: Guo
authors.forename: Y
authors.initials: Y
authors.lastname: Luo
authors.forename: A
authors.initials: A
authors.lastname: Augustsson
authors.forename: J-E
authors.initials: JE
authors.lastname: Rubensson
authors.forename: C
authors.initials: C
authors.lastname: Såthe
authors.forename: H
authors.initials: H
authors.lastname: Agren
authors.forename: H
authors.initials: H
authors.lastname: Siegbahn
authors.forename: J
authors.initials: J
authors.lastname: Nordgren