Table 1.

Correction to the isotopic vibrational partition-function ratio of ²⁰⁸Pb³²S/²⁰⁷Pb³²S due to the nuclear field shift

208Pb32S
νe = 428.14 cm−1 G(uι) = 0.15996
δνe(207Pb − 208Pb) = 0.1379 cm−1
Δνp = 4.28 × 10−4 cm−1 (est.)
ℓn(s/s′)f0(300 K) = 0.15996 × (6.61 × 10−4)
ℓn(s/s′)fboc − ℓn(s/s′)f0 = 0.15996 × (2.05 × 10−6).