GeSe Molecular Constants

GeSe

Germanium Selinide

Parameter	⁷⁴Ge⁸⁰Se	Ref.		Parameter	Value	Ref.
Y₀₁ [MHz]	2888.215 78(17)	76042		Y₀₁ (⁷⁶Ge⁸⁰Se) [MHz]	2848.687 21(17)	76042
Y₁₁ [MHz]	-8.665 19(18)			Y₀₁ (⁷⁶Ge⁷⁸Se) [MHz]	2884.295 59(19)
Y₂₁ [kHz]	-1.028(91)			Y₀₁ (⁷⁴Ge⁸²Se) [MHz]	2854.329 57(18)
Y₃₁ [Hz]	-34(12)			Y₀₁ (⁷⁴Ge⁷⁸Se) [MHz]	2923.823 84(18)
Y₀₂ [kHz]	-0.661 66(34)			Y₀₁ (⁷⁴Ge⁷⁷Se) [MHz]	2942.2777(20) ^a
Y₁₂ [kHz]	-0.57(20)			Y₀₁ (⁷⁴Ge⁷⁶Se) [MHz]	2961.285 89(21)
µ_r [u]	38.4010126			Y₀₁ (⁷³Ge⁸⁰Se) [MHz]	2908.7392(20) ^a
r_e [10^-10 m]	2.134 6292(1)^b			Y₀₁ (⁷²Ge⁸²Se) [MHz]	2896.032 52(18)
				Y₀₁ (⁷²Ge⁸⁰Se) [MHz]	2929.918 61(16)
				Y₀₁ (⁷²Ge⁷⁸Se) [MHz]	2965.5241(21) ^a
				Y₀₁ (⁷²Ge⁷⁷Se) [MHz]	2983.9814(20) ^a
				Y₀₁ (⁷²Ge⁷⁶Se) [MHz]	3002.9872(20) ^a
				Y₀₁ (⁷⁰Ge⁸²Se) [MHz]	2940.091 07(17)
				Y₀₁ (⁷⁰Ge⁸⁰Se) [MHz]	2973.976 97(17)
				Y₀₁ (⁷⁰Ge⁷⁸Se) [MHz]	3009.585 11(17)
				Y₀₁ (⁷⁰Ge⁷⁷Se) [MHz]	3028.0349(20) ^a
				Y₀₁ (⁷⁰Ge⁷⁶Se) [MHz]	3047.047 08(19)

^a Derived from data in [66035].
^b Recalculated as r_e = [505 379.006(51) / µ_r Y₀₁]^1/2 with units as given in table.

GeSe Hyperfine Constants and Dipole Moment

Parameter	⁷³Ge⁸⁰Se	⁷⁴Ge⁸⁰Se	Ref.
eQq₀(Ge) [MHz]	172.40(25)		70041
µ₀ [C · m] µ₀ [D]		5.50(17) x 10^-30 1.648(50)	70041

NIST Physical Measurement Laboratory