Argon, compound with neon (1:1)

Formula: ArNe
Molecular weight: 60.128
IUPAC Standard InChI: InChI=1S/Ar.Ne
IUPAC Standard InChIKey: JXBFBSYDINUVRE-UHFFFAOYSA-N
CAS Registry Number: 12301-65-4
Chemical structure:
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Gas phase ion energetics data

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Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard

Ionization energy determinations

IE (eV)	Method	Reference	Comment
15.685 ± 0.004	PI	Pratt and Dehmer, 1982	T = 0K; LBLHLM

Constants of diatomic molecules

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Data compiled by: Klaus P. Huber and Gerhard H. Herzberg

Data collected through March, 1977

Symbols used in the table of constants
Symbol	Meaning
State	electronic state and / or symmetry symbol
T_e	minimum electronic energy (cm^-1)
ω_e	vibrational constant – first term (cm^-1)
ω_ex_e	vibrational constant – second term (cm^-1)
ω_ey_e	vibrational constant – third term (cm^-1)
B_e	rotational constant in equilibrium position (cm^-1)
α_e	rotational constant – first term (cm^-1)
γ_e	rotation-vibration interaction constant (cm^-1)
D_e	centrifugal distortion constant (cm^-1)
β_e	rotational constant – first term, centrifugal force (cm^-1)
r_e	internuclear distance (Å)
Trans.	observed transition(s) corresponding to electronic state
ν₀₀	position of 0-0 band (units noted in table)

Diatomic constants for ⁽²⁰⁾Ne⁴⁰Ar
State	T_e	ω_e	ω_ex_e	ω_ey_e	B_e	α_e	γ_e	D_e	β_e	r_e	Trans.	ν₀₀
X ¹Σ⁺	0	[(20.9)] 1								3.43 2 3
X ¹Σ⁺	↳Bosomworth and Gush, 1965

Notes

Theoretical values Bobetic and Barker, 1976; the ground state potential supports four bound vibrational levels.

From crossed-beam differential scattering measurements Ng, Lee, et al., 1974.

Translational sp. 4

Dipole moment function from ab initio calculations Matcha and Nesbet, 1967, from translational absorption spectra Bar-Ziv and Weiss, 1973.

References

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Pratt and Dehmer, 1982
Pratt, S.T.; Dehmer, P.M., Photoionization of the neon-rare gas dimers NeAr, NeKr, and NeXe, J. Chem. Phys., 1982, 76, 3433. [all data]

Bosomworth and Gush, 1965
Bosomworth, D.R.; Gush, H.P., Collision-induced absorption of compressed gases in the far infrared, Part II, Can. J. Phys., 1965, 43, 751. [all data]

Bobetic and Barker, 1976
Bobetic, M.V.; Barker, J.A., Vibrational levels of heteronuclear rare gas van der Waals molecules, J. Chem. Phys., 1976, 64, 2367-2369. [all data]

Ng, Lee, et al., 1974
Ng, C.Y.; Lee, Y.T.; Barker, J.A., Improved potentials for Ne + Ar, Ne + Kr, and Ne + Xe, J. Chem. Phys., 1974, 61, 1996. [all data]

Matcha and Nesbet, 1967
Matcha, R.L.; Nesbet, R.K., Electric dipole moments of rare-gas diatomic molecules, Phys. Rev., 1967, 160, 1, 72-75. [all data]

Bar-Ziv and Weiss, 1973
Bar-Ziv, E.; Weiss, S., Dipole moment of interacting rare-gas atoms, Chem. Phys. Lett., 1973, 19, 1, 148-151. [all data]

Notes

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Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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