Antimony monoselenide

Formula: SbSe
Molecular weight: 200.72
CAS Registry Number: 58428-34-5
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Gas phase ion energetics data

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Data compiled by: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV)	Method	Reference
8.0 ± 0.3	EI	Sullivan, Prusaczyk, et al., 1970

Appearance energy determinations

Ion	AE (eV)	Other Products	Method	Reference	Comment
Sb⁺	12.8 ± 0.3	?	EI	Sullivan, Prusaczyk, et al., 1970
Se⁺	13.2 ± 0.3	?	EI	Sullivan, Prusaczyk, et al., 1970

Constants of diatomic molecules

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

Data collected through July, 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 ⁽¹²¹⁾Sb⁽⁸⁰⁾Se
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
D	43756	365.7₄ H	0.76								D ← X V	43776 H
D	↳Sharma, 1953
C	(41600) 1										C ← X V
C	↳Sharma, 1953
B	36041	418.0 H	0.48								B ← X V	36087 H
B	↳Sharma, 1953
A	28965	221.8 H	1.0								A ← X R	28913 H
A	↳Sharma, 1953
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	0	326.1 H	1.04

Notes

Unassigned V shaded bands 40700 - 42500 cm^-1.

Thermochemical value (mass spectrometry) Porter and Spencer, 1960, recalculated with the revised value for the dissociation energy of Te₂.

References

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Sullivan, Prusaczyk, et al., 1970
Sullivan, C.L.; Prusaczyk, J.E.; Carlson, K.D., Molecules in the equilibrium vaporization of antimony sulfide and selenide, J. Chem. Phys., 1970, 53, 1289. [all data]

Sharma, 1953
Sharma, C.B., Absorption bands of SbSe and SbTe in the quartz ultra-violet region 3650 to 2200 Å, Proc. Phys. Soc. London Sect. A, 1953, 66, 1109. [all data]

Porter and Spencer, 1960
Porter, R.F.; Spencer, C.W., Stabilities of the gaseous molecules, BiSe, BiTe, and SbTe, J. Chem. Phys., 1960, 32, 943. [all data]

Notes

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Symbols used in this document:

AE Appearance energy
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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