[1] W. D. Allen, A. L. L. East, and A. G. Császár, Structures and Conformations of Non-Rigid Molecules, edited by J. Laane, M. Dakkouri, B. van der Veken and H. Oberhammer (Kluwer, Dordrecht, 1993), pp. 343-373.

[2] W. D. Allen and A. G. Császár, On the Ab Initio Determination of Higher-Order Force Constants at Nonstationary Reference Geometries, J. Chem. Phys. 1993, 98, 2983-3015. https://doi.org/10.1063/1.464127 [PDF (4118 kB)]

[3] N. E. Klepeis, A. L. L. East, A. G. Császár, W. D. Allen, T. J. Lee, and D. W. Schwenke, The [FHCl]^– Molecular Anion: Structural Aspects, Global Surface, and Vibrational Eigenspectrum, J. Chem. Phys. 1993, 99, 3865-3897. https://doi.org/10.1063/1.466133 [PDF (4554 kB)]