High-resolution rotational analysis of HDS:: 2v3, v2+2v3, 3v3, and v2+3v3 bands

High-resolution Fourier transform spectrum of the (HDS)-S-32 molecule was studied in the region of 5000-9000 cm(-1). More than 1600 observed transitions yielded 239, 264, 131, and 116 upper state ro-vibrational energies of the states (002), (012), (003), and (013), respectively. With a Watson-type effective Hamiltonian model, the ro-vibrational parameters of these four upper states were determined by a least-square fitting which can reproduce the ro-vibrational energies close to the experimental accuracy. The relative linestrengths are also discussed. (c) 2005 Elsevier Inc. All rights reserved.