Lutetium monoxide

Formula: LuO
Molecular weight: 190.9662
IUPAC Standard InChI: InChI=1S/Lu.O/q+2;-2
IUPAC Standard InChIKey: ULIDUNPVOGXKMM-UHFFFAOYSA-N
CAS Registry Number: 12032-02-9
Chemical structure:
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Gas phase ion energetics data

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Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV)	Method	Reference	Comment
6.5 ± 0.5	EI	Murad and Hildenbrand, 1980	LLK
7.8 ± 0.6	EI	Kordis and Gingerich, 1977	LLK
6.8 ± 0.1	EI	Ackermann, Rauh, et al., 1976	LLK

Constants of diatomic molecules

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

Data collected through March, 1975

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 ¹⁷⁵Lu¹⁶O
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
Two short continua in the red.
↳Gatterer and Krishnamurty, 1952
C ²Σ⁺	24440	(770) H	(5)		[0.34411] 1			[0.297E-6]		[1.8283₄]	C → X R	24402.90 Z
C ²Σ⁺	↳Gatterer and Krishnamurty, 1952; Bacis, Bernard, et al., 1971; missing citation
B (²Π_3/2)	21470	793.₀ 2 H	4.0		[0.3528] 3					[1.805₇]	B → X R	21445 H
B (²Π_3/2)	↳Watson and Meggers, 1938; missing citation; missing citation; Suarez, 1970; Effantin, Bacis, et al., 1971
A (²Π_1/2)	(19392) 4	(800) H	(5)								A → X R	(19370) 4 H
A (²Π_1/2)	↳missing citation; Gatterer and Krishnamurty, 1952; missing citation; Effantin, Bacis, et al., 1971
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 ²Σ⁺	0	842.₅ 2 H	3.1₀		[0.35806] 5	0.0016		[0.255E-6]		1.7904

Notes

Large spin doubling, γ₀= (-)0.4940. v=0 perturbed for N>30.

Recalcu1ated using bandheads of the B-X 0-0 and 1-0 sequences only.

B_v appears to depend irregularly on v; see Effantin, Bacis, et al., 1971.

From Effantin, Bacis, et al., 1971. The vibrational numbering in Gatterer and Krishnamurty, 1952, differs by -1 in both upper and lower state leading to v₀₀ ~19332 Gatterer and Krishnamurty, 1952.

Large hyperfine splitting, 4b = 0.663 cm^-1 Bacis and Bernard, 1973.

Thermochemical value (mass-spectrometry) Ames, Walsh, et al., 1967. recalculated Smoes, Coppens, et al., 1969.

References

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Murad and Hildenbrand, 1980
Murad, E.; Hildenbrand, D.L., Dissociation energies of GdO, HoO, ErO, TmO, and LuO. Correlation of results for the lanthanide monoxide series, J. Chem. Phys., 1980, 73, 4005. [all data]

Kordis and Gingerich, 1977
Kordis, J.; Gingerich, K.A., Mass spectrometric observations of some polyatomic gaseous rare earth oxides their atomization energies, J. Chem. Phys., 1977, 66, 483. [all data]

Ackermann, Rauh, et al., 1976
Ackermann, R.J.; Rauh, E.G.; Thorn, R.J., The thermodynamics of ionization of gaseous oxides; the first ionization potentials of the lanthanide metals and monoxides, J. Chem. Phys., 1976, 65, 1027. [all data]

Gatterer and Krishnamurty, 1952
Gatterer, A.; Krishnamurty, S.G., The spectrum of lutecium monoxide, Proc. Phys. Soc. London Sect. A, 1952, 65, 151. [all data]

Bacis, Bernard, et al., 1971
Bacis, R.; Bernard, A.; d'Incan, J., Structure de vibration du systeme violet de la molecule LuO, C.R. Acad. Sci. Paris, Ser. B, 1971, 273, 272. [all data]

Watson and Meggers, 1938
Watson, W.W.; Meggers, W.F., Spectrum of lutecium monoxide, Bur. Stand. J. Res. US, 1938, 20, 125. [all data]

Suarez, 1970
Suarez, C.B., Contribution to the study of the blue system of lutetium oxide, J. Phys. B:, 1970, 3, 1389. [all data]

Effantin, Bacis, et al., 1971
Effantin, C.; Bacis, R.; d'Incan, J., Analyses rotationnelle du system β et vibrationnelle du systeme γ de LuO, C.R. Acad. Sci. Paris, Ser. B, 1971, 273, 605. [all data]

Bacis and Bernard, 1973
Bacis, R.; Bernard, A., Analyse de la transition ²Σ(b_βJ) → ²Σ(b_βS) du radical LuO, Can. J. Phys., 1973, 51, 648. [all data]

Ames, Walsh, et al., 1967
Ames, L.L.; Walsh, P.N.; White, D., Rare earths. IV. Dissocaition energies of the gaseous monoxides of the rare earths, J. Phys. Chem., 1967, 71, 2707. [all data]

Smoes, Coppens, et al., 1969
Smoes, S.; Coppens, P.; Bergman, C.; Drowart, J., Mass spectrometric determination of the dissociation energies of the gaseous rare earth monosulphides, Trans. Faraday Soc., 1969, 65, 682. [all data]

Notes

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Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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