title: Infrared Spectra of Novel NgBeSO2Complexes (Ng = Ne, Ar, Kr, Xe) in Low Temperature Matrixes.
abstract: The novel noble-gas complexes NgBeSO2(Ng = Ne, Ar, Kr, Xe) have been prepared in the laser-evaporated beryllium atom reactions with SO2in low-temperature matrixes. Doped with heavier noble gas, the guest (Ar, Kr, Xe) atom can substitute neon to form more stable complex. Infrared spectroscopy and theoretical calculations are used to confirm the band assignment. The dissociation energies are calculated at 0.9, 4.0, 4.7, and 6.0 kcal/mol for NeBeSO2, ArBeSO2, KrBeSO2, and XeBeSO2, respectively, at the CCSD(T) level. Quantum chemical calculations demonstrate that the Ng-Be bonds in NgBeSO2could be formed by the combination of electron-donation and ion-induced dipole interactions. The Wiberg bond index (WBI) values of Ng-Be bonds and LOL (localized orbital locator) profile indicate that the Ng-Be bond exhibits a gradual increase in covalent character along Ne to Xe.
authors.affiliation: School of Chemical Science and Engineering and Shanghai Key Lab of Chemical Assessment and Sustainability, Tongji University , Shanghai 200092, P. R. China.
authors.forename: Wenjie
authors.initials: W
authors.lastname: Yu
authors.affiliation: School of Chemical Science and Engineering and Shanghai Key Lab of Chemical Assessment and Sustainability, Tongji University , Shanghai 200092, P. R. China.
authors.forename: Xing
authors.initials: X
authors.lastname: Liu
authors.affiliation: School of Chemical Science and Engineering and Shanghai Key Lab of Chemical Assessment and Sustainability, Tongji University , Shanghai 200092, P. R. China.
authors.forename: Bing
authors.initials: B
authors.lastname: Xu
authors.affiliation: School of Chemical Science and Engineering and Shanghai Key Lab of Chemical Assessment and Sustainability, Tongji University , Shanghai 200092, P. R. China.
authors.forename: Xiaopeng
authors.initials: X
authors.lastname: Xing
authors.affiliation: School of Chemical Science and Engineering and Shanghai Key Lab of Chemical Assessment and Sustainability, Tongji University , Shanghai 200092, P. R. China.
authors.forename: Xuefeng
authors.initials: X
authors.lastname: Wang