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Table B.4

Spectroscopic constants of tetratomic nitrogen molecules in cm-1 and differences of ZPE with respect to the main isotopologue.

Molecule Ref. ω 1 ω 2 ω 3 ω 4 ω 5 ZPE Δ(ZPE) (K)
symmetry Σ Σ Σ Π Π

HCNH+ (1) 3484.2 3187.3 2159.9 804.8 649.4 5987.3
H13CNH+ (1) 3479.5 3170.1 2126.1 799.8 647.4 5952.0 50.8
HC15NH+ (2) 3469.3 3187.1 2133.3 804.7 645.1 5961.5 37.1
HCND+ (1) 3221.9 2681.1 2025.9 794.3 513.1 5364.2 896.5
DCNH+ (1) 3474.0 2601.0 1934.8 664.7 622.8 5388.0 862.3

Molecule Ref. ω 1 ω 2 ω 3 ω 4 ZPE Δ(ZPE) (K)
symmetry A1 A1 E E

NH3 (3) 3336.1 932.4 3443.6 1626.3 7429.2
15NH3 (3) 3333.3 928.5 3435.1 1623.2 7413.0 23.3

Reference. (1) Brites & Jutier (2012); (2) Brites, priv. comm.; (3) Huang et al. (2011).

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