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the claim

Calculated harmonic infrared frequencies depend systematically on the size of the basis set

the verdict
SUPPORTED
the evidence backs this
Recorded sources
2 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that calculated harmonic infrared frequencies depend systematically on the size of the basis set?

Yes. Calculated harmonic infrared frequencies depend systematically on the size of the basis set, converging toward the complete basis set limit as larger and more flexible basis sets are employed.

Verdict: SUPPORTED · 2 sources for, 0 against · Last checked

The analysis

The claim states that calculated harmonic infrared frequencies depend systematically on the basis set size. Papers 0 and 2 explicitly discuss how calculated vibrational frequencies vary systematically with basis set size and converge toward the complete basis set limit. Therefore, the evidence supports the claim.

Evidence for · 2
Polarization consistent basis sets. IV. The basis set convergence of equilibrium geometries, harmonic vibrational frequencies, and intensities
2003
Get citation
Jensen, F. (2003). Polarization consistent basis sets. IV. The basis set convergence of equilibrium geometries, harmonic vibrational frequencies, and intensities. doi.org. https://doi.org/10.1063/1.1535905

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More for · 1
Estimation of formamide harmonic and anharmonic modes in the Kohn-Sham limit using the polarization consistent basis sets
2011
Get citation
Buczek, A., Kupka, T., & Broda, M. (2011). Estimation of formamide harmonic and anharmonic modes in the Kohn-Sham limit using the polarization consistent basis sets. doi.org. https://doi.org/10.1007/s00894-010-0944-9

Receipt History
first checked04 Aug 2026
judged → SUPPORTED · 8804 Aug 2026
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