Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Calculated Frequencies for NaOH (sodium hydroxide) ¹Σ C_∞v

HF/LANL2DZ ¹Σ C*V

Mode Number	Symmetry	Frequency (cm-1)	Scaled Frequency (cm-1)	IR Intensity (km/mol)	reduced mass (u)	description	Raman Act (Å4/u)	Dep P	Dep U
1	Σ	4146	3731	5.023	1.0703
2	Σ	591	532	58.490	11.2481
3	Π	470	423	433.461	1.1482

Unscaled Zero Point Vibrational Energy (zpe) 2839 cm^-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 2555 cm^-1

See section Calculated; Vibrations; Scale Factors; Set scaling factors to change the scale factors used here.
See section Calculated; Vibrations; Scale Factors; Calculate a scale factor to determine the least squares best scaling factor.

List of Irreducible Representations for C_*v