Structures of [Mg center dot(H2O)(1,2)](+) and [Al center dot(H2O)(1,2)](+) ions studied by infrared photodissociation spectroscopy: evidence of [HO-Al-H](+) ion core structure in [Al center dot(H2O)(2)](+)

Inokuchi Y; Ohshimo K; Misaizu F; Nishi N

Chemical Physics Letters, Vol.390, No.1-3, 140-144, 2004

DOI10.1016/j.cplett.2004.03.148 Export Citation

Structures of [Mg center dot(H2O)(1,2)](+) and [Al center dot(H2O)(1,2)](+) ions studied by infrared photodissociation spectroscopy: evidence of [HO-Al-H](+) ion core structure in [Al center dot(H2O)(2)](+)

Inokuchi Y, Ohshimo K, Misaizu F, Nishi N

Infrared spectra of [Mg . (H2O)(1.2)](+) and [Al . (H2O)(1.2)](+) are measured in the OH stretching region (3200-3800 cm(-1)). The spectra show the symmetric and asymmetric OH stretching bands of water molecules that are directly bound to the metal ions through metal-oxygen intermolecular bonds. In addition to these bands, the [Al . (H2O)(2)](-) ion has another band at 3714 cm(-1). This band is assigned to the free OH stretching vibration of the [HO-Al-H](+) ions the aluminum ion is inserted into the O-H bond of one water molecule in [Al . (H2O)(2)](+). (C) 2004 Elsevier B.V. All rights resrved.