atomic unit of 2nd hyperpolarizability

Document v1 · published by Koskamo · updated 2026-10-03

atomic unit of 2nd hyperpolarizability = 6.235 379 9735 × 10⁻⁶⁵ C⁴ m⁴ J⁻³ (CODATA 2022 recommended value, NIST)

Value: 6.2353799735e-65
Standard uncertainty: 3.9e-74 (relative 6.3 × 10⁻¹⁰)
Unit: C^4 m^4 J^-3

Source and provenance

Original source: physics.nist.gov
Published on Koskamo by: Koskamo
Citation version: Document v1
Reuse: CODATA 2022 recommended values from NIST, a work of the US government (public domain in the United States)

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Version history

Published by Koskamo2026-10-03
Version 1