HLu

Constants of diatomic molecules

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

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 ¹⁷⁵LuH
State	T_e	_e	_ex_e	_ey_e	B_e	_e	_e	D_e	_e	r_e	Trans.	₀₀
H ¹		1			[4.5548] 2	(0.131) 3		[179E-6]		[1.923₈]	H X	23525.00 Z
	↳missing citation; Effantin and d'Incan, 1973
		1			[4.5365] 4	0.135₄		[177E-6] 5		[1.923₈]	H X	23525.00 Z
	↳missing citation; Effantin and d'Incan, 1973
G ¹		6			4.546₀	0.120₆ 7		178E-6		1.9237	G X R	19767.00 Z
G ¹	↳missing citation; Effantin and d'Incan, 1973
F ¹					[4.7025] 8 4			[213E-6]		[1.897]	F X V	18921.49 Z
	↳Effantin and d'Incan, 1973
					[4.649₆] 8 2			[171E-6] 9		[1.897]	F X V	18921.49 Z
	↳Effantin and d'Incan, 1973
State	T_e	_e	_ex_e	_ey_e	B_e	_e	_e	D_e	_e	r_e	Trans.	₀₀
E ¹					[4.627₅] 8			[200E-6]		[1.9067]	E X	17732.92 Z
E ¹	↳Effantin and d'Incan, 1973
D ¹		10			4.534 11 4	0.131		230E-6 11		1.928₀	D X $mR	17050.1 Z
	↳Effantin and d'Incan, 1973
		10			4.518 2	0.137		[217E-6] 12		1.928₀	D X 13 R	17050.1 Z
	↳Effantin and d'Incan, 1973
C ¹		14			[4.230₆] 15 4			[136E-6] 15		[1.998]	C X R	16721.9 Z
	↳Effantin and d'Incan, 1973
		14			[4.196₅] 2	0.102₇		[118E-6] 16		[1.998]	C X R	16721.9 Z
	↳Effantin and d'Incan, 1973
State	T_e	_e	_ex_e	_ey_e	B_e	_e	_e	D_e	_e	r_e	Trans.	₀₀
B ¹		17			4.572₃	0.117₁		195E-6 18		1.9182	B X	15270.00 Z
B ¹	↳Effantin and d'Incan, 1973
A ¹		19			[4.862₃] 2			[690E-6] 20		[1.90]	A X	12988.63 Z
	↳Effantin and d'Incan, 1973
		19			[4.467₄] 4	0.114₉		[195E-6] 21		[1.90]	A X	12988.63 Z
	↳Effantin and d'Incan, 1973
X ¹⁽⁺⁾	0	(1520)	(22)		4.6021	0.099₀		169E-6 22		1.9119

v₀(1-1)= 23473,v₀(2-2)= 23389.

e levels.

Perturbation in v=1.

f levels.

D₁= 183E-6; H₀= 0.2₅E-8.

v₀(1-1)= 19696.

v=1 perturbed.

Perturbations in v=0 and 1; constants for v=1 could not be determined.

H₀= -3E-8.

v₀(1-1)= 16918.6.

Perturbation in v=0. H₀ = +4E-8, H₁ = +7.₆E-8.

D₁ = 200E-6; H₀ = +1.4E-8.

Very weak system, J'<7 not observed.

v₀(1-1) = 16591.0.

Perturbations in v=0 and 1. H₀ = -0.9E-8. Constants for v=1 could not be determined.

D₁ = 126E-6.

v₀(1-1) = 15173.17.

H₀ = +0.9E-8.

v₀(1-1) = 12904.32, v₀(2-2) = 12810.00.

H₀ = +5.₀E-7.

D₁ = 194E-6; H₀ = -0.5E-8, H₁ = -2.4E-8.

H_e = 0.5E-8.

Go To: Top, Constants of diatomic molecules, Notes

Effantin and d'Incan, 1973
Effantin, C.; d'Incan, J., Spectre electronique de la molecule LuH, Can. J. Phys., 1973, 51, 1394. [all data]

Go To: Top, Constants of diatomic molecules, References

Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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