Measurement of the ν8 intermolecular vibration of (D2O)2 by tunable far infrared laser spectroscopy

Abstract

Electron states of benzene-Br2 donor-acceptor complex: HeI photoelectron spectroscopy and ab initio molecular orbital study Measurement of the intermolecular vibration-rotation tunneling spectrum of the ammonia dimer by tunable far infrared laser spectroscopy J. Chem. Phys. 94, 4776 (1991); 10.1063/1.460562Tunable farinfrared laser spectroscopy of hydrogen bonds: The K a =0(u)→1(g) rotation-tunneling spectrum of the HCl dimerThe first accurate measurement of an intermolecular vibration of the water dimer is reported. Five vibration-rotation-tunneling (VRT) bands of the perdeuterated isotope, located near 84 cm -I, have been assigned to the AilE IBI tunneling components of the Ka = 0-0 and Ka = 1 -0 subbands. The vibration involves large amplitude motion of the hydrogen bond acceptor and is assigned as the Vs acceptor wag. The spectra indicate strong coupling of both the donor-acceptor interconversion and donor tunneling motions to the excited vibrational coordinate. This measurement provides a benchmark for future efforts toward the determination of an accurate potential energy surface for the water dimer.

Structure of Water Clusters. The Contribution of Many-Body Forces, Monomer Relaxation, and Vibrational Zero-Point Energy

“…(H 2 O) 4 . Although it is well-known that the cyclic water tetramer is the most stable form, previous work 25,38 has suggested the existence of other stable structures.…”

Rearrangements and tunneling splittings of protonated water trimer

“…Recent far-infrared vibration-rotation tunneling (FIR-VRT) experiments [1][2][3][4] pose new challenges to theory because the interpretation and prediction of such spectra requires a detailed understanding of the potential energy surface (PES) away from minima. In particular we need a global description of the PES in terms of a complete reaction graph.…”

Water pair potential of near spectroscopic accuracy. II. Vibration–rotation–tunneling levels of the water dimer

“…Very precise information about the pair potential of water can be extracted, in principle, from the microwave and ͑far-͒infrared spectra of the water dimer [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17] prepared in supersonic molecular beams. Many-body interactions in water have also been probed by molecular-beam spectroscopy: high-resolution far-infrared spectra were recorded for the water trimer, tetramer, pentamer, and hexamer, [18][19][20][21][22][23][24][25] mid-and near-infrared spectra for clusters up to the decamer.…”