Nitrogen oxide cation

Formula: N₂O⁺
Molecular weight: 44.0123
IUPAC Standard InChI: InChI=1S/NO2/c2-1-3/q+1
IUPAC Standard InChIKey: OMBRFUXPXNIUCZ-UHFFFAOYSA-N
CAS Registry Number: 12269-46-4
Chemical structure:
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Gas phase thermochemistry data

Go To: Top, Vibrational and/or electronic energy levels, References, Notes

Quantity	Value	Units	Method	Reference	Comment
S°_{gas,1 bar}	55.894	cal/mol*K	Review	Chase, 1998	Data last reviewed in December, 1970

Vibrational and/or electronic energy levels

Go To: Top, Gas phase thermochemistry data, References, Notes

Data compiled by: Marilyn E. Jacox

State: C

Energy (cm^-1)	Med.	References


T_o = 58243 ± 17	gas	Brundle and Turner, 1969
		Berkowitz and Eland, 1977
		Dehmer, Dehmer, et al., 1980
		Chen, Liu, et al., 2003

Vib. sym.	No.	Approximate type of mode	cm^-1	Med.	Method	References


Σ⁺	1	Sym. stretch	1251 ± 10	gas	PE	Brundle and Turner, 1969 Dehmer, Dehmer, et al., 1980 Chiang and -I Ma, 2000 Chen, Liu, et al., 2003
Π	2	Bend	482 ± 10	gas	PE	Dehmer, Dehmer, et al., 1980 Chen, Liu, et al., 2003
Σ⁺	3	Asym. stretch	2300 ± 10	gas	PE	Brundle and Turner, 1969 Dehmer, Dehmer, et al., 1980 Chiang and -I Ma, 2000 Chen, Liu, et al., 2003

State: B

Energy (cm^-1)	Med.	References


T_o = 38440 ± 100	gas	Brundle and Turner, 1969
		Chen, Liu, et al., 2003

Vib. sym.	No.	Approximate type of mode	cm^-1	Med.	Method	References


Σ⁺	1	Sym. stretch	960	gas	PE	Brundle and Turner, 1969 Cvitas, Klasinc, et al., 1983
Π	2	Bend	368	gas	PE	Cvitas, Klasinc, et al., 1983

State: ?

Med.	Transition	λ_min (nm)	λ_max (nm)	References


gas	B-A	538	866	Danis, Wyttenbach, et al., 1988

State: A

Energy (cm^-1)	Med.	Transition	λ_min (nm)	λ_max (nm)	References


T_o = 28162.33	gas	A-X	317	421	Callomon and Creutzberg, 1974
					Larzilliere, Carre, et al., 1980
					Frey, Kakoschke, et al., 1982
					Abed, Broyer, et al., 1983
					Aarts and Callomon, 1987
					Larzilliere, 1989
					el Idrissi, Larzilliere, et al., 1994
					Chen, Liu, et al., 2003
					Xu, Guo, et al., 2003

Vib. sym.	No.	Approximate type of mode	cm^-1	Med.	Method	References


Σ⁺	1	Sym. stretch	1345.38	gas	EM PF	Callomon and Creutzberg, 1974 Frey, Kakoschke, et al., 1982 Fellows and Vervloet, 2001
	1	Sym. stretch	1345.38	gas	PE	Chen, Liu, et al., 2003
Π	2	Bend	614.45	gas	EM PE	Callomon and Creutzberg, 1974 Aarts and Callomon, 1987 Chen, Liu, et al., 2003
Σ⁺	3	Asym. stretch	2451.7	gas	EM PE	Callomon and Creutzberg, 1974

State: X

Vib. sym.	No.	Approximate type of mode	cm^-1		Med.	Method	References


Σ⁺	1	Sym. stretch	1126.28		gas	EM	Callomon and Creutzberg, 1974 Fellows and Vervloet, 2001
	1	Sym. stretch	1135.5		Ne	IR	Jacox, 1990
Π	2	Bend	452.42		gas	EM PF	Callomon and Creutzberg, 1974 Abed, Broyer, et al., 1983 Aarts and Callomon, 1987
Σ⁺	3	Asym. stretch	1737.37		gas	EM	Callomon and Creutzberg, 1974 Fellows and Vervloet, 2001
	3	Asym. stretch	1741.4	w m	Ne	IR	Jacox, 1990

Additional references: Jacox, 1994, page 83; Jacox, 1998, page 187; Jacox, 2003, page 127; Smith, 1969; Eland, Devoret, et al., 1976; Maier and Thommen, 1980; Dunbar and Turner, 1981; Klapstein and Maier, 1981; Ibuki and Sugita, 1984; Kindvall, Larsson, et al., 1986; Kong, Rodgers, et al., 1994

Notes

Weak

Medium

Energy separation between the v = 0 levels of the excited and electronic ground states.

References

Go To: Top, Gas phase thermochemistry data, Vibrational and/or electronic energy levels, Notes

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]

Brundle and Turner, 1969
Brundle, C.R.; Turner, D.W., Studies on the photoionisation of the linear triatomic molecules: N₂O, COS, CS₂ and CO₂ using high-resolution photoelectron spectroscopy, Intern. J. Mass Spectrom. Ion Phys., 1969, 2, 195. [all data]

Berkowitz and Eland, 1977
Berkowitz, J.; Eland, J.H.D., Photoionization of N₂O: Mechanisms of photoionization and ion dissociation, J. Chem. Phys., 1977, 67, 2740. [all data]

Dehmer, Dehmer, et al., 1980
Dehmer, P.M.; Dehmer, J.L.; Chupka, W.A., Effects of vibronic interaction and autoionization on the photoelectron spectrum of N2O, J. Chem. Phys., 1980, 73, 1, 126, https://doi.org/10.1063/1.439906 . [all data]

Chen, Liu, et al., 2003
Chen, W.; Liu, J.; Ng, C.Y., Vacuum Ultraviolet Pulsed Field Ionization-Photoelectron Study for N, J. Phys. Chem. A, 2003, 107, 40, 8086, https://doi.org/10.1021/jp022389d . [all data]

Chiang and -I Ma, 2000
Chiang, S.-Y.; -I Ma, C., Fragmentation of Vibrationally Selected N, J. Phys. Chem. A, 2000, 104, 10, 1991, https://doi.org/10.1021/jp9935081 . [all data]

Cvitas, Klasinc, et al., 1983
Cvitas, T.; Klasinc, L.; Kovac, B.; McDiarmid, R., The high-resolution photoelectron spectrum of N2O. The B(2Πi) state, J. Chem. Phys., 1983, 79, 4, 1565, https://doi.org/10.1063/1.446028 . [all data]

Danis, Wyttenbach, et al., 1988
Danis, P.O.; Wyttenbach, T.; Maier, J.P., Two-photon absorption spectroscopy of mass-selected ions: N2O+ and CS+2, J. Chem. Phys., 1988, 88, 6, 3451, https://doi.org/10.1063/1.453893 . [all data]

Callomon and Creutzberg, 1974
Callomon, J.H.; Creutzberg, F., The Electronic Emission Spectrum of Ionized Nitrous Oxide, FormulaOFormula, Phil. Trans. Roy. Soc. (London) A277, 1974, 277, 1266, 157, https://doi.org/10.1098/rsta.1974.0048 . [all data]

Larzilliere, Carre, et al., 1980
Larzilliere, M.; Carre, M.; Gaillard, M.L.; Rostas, J.; Horani, M.; Velghe, M., J. Chim. Phys., 1980, 77, 689. [all data]

Frey, Kakoschke, et al., 1982
Frey, R.; Kakoschke, R.; Schlag, E.W., Spectroscopy of molecular ions: Laser-induced fragmentation spectra of N2O+, A 2Σ+-X2Π, Chem. Phys. Lett., 1982, 93, 3, 227, https://doi.org/10.1016/0009-2614(82)80128-0 . [all data]

Abed, Broyer, et al., 1983
Abed, S.; Broyer, M.; Carre, M.; Gaillard, M.L.; Larzilliere, M., High-resolution spectroscopy of N2O+ in the near ultraviolet using fiblas (fast-ion-beam laser spectroscopy), Chem. Phys., 1983, 74, 1, 97, https://doi.org/10.1016/0301-0104(83)80012-3 . [all data]

Aarts and Callomon, 1987
Aarts, J.F.M.; Callomon, J.H., Analysis of the v´´, Mol. Phys., 1987, 62, 3, 637, https://doi.org/10.1080/00268978700102451 . [all data]

Larzilliere, 1989
Larzilliere, M., and Ch. Jungen, 1989, Mol. Phys. 67, 807. [all data]

el Idrissi, Larzilliere, et al., 1994
el Idrissi, M.C.; Larzilliere, M.; Carre, M., Fast ion beam laser spectroscopy of N2O+: Observation and interpretation of the Fermi resonance in the 100 2Π vibronic level of the ground state, J. Chem. Phys., 1994, 100, 1, 204, https://doi.org/10.1063/1.467269 . [all data]

Xu, Guo, et al., 2003
Xu, H.; Guo, Y.; Li, Q.; Liu, S.; Ma, X.; Liang, J.; Li, H., Spectroscopic study of N[sub 2]O[sup +](A [sup 2]Σ[sup +]) by photofragment excitation spectrum, J. Chem. Phys., 2003, 119, 22, 11609, https://doi.org/10.1063/1.1624596 . [all data]

Fellows and Vervloet, 2001
Fellows, C.E.; Vervloet, M., Fourier transform emission spectra of the electronic transition A of N2O+, Chem. Phys., 2001, 264, 2, 203, https://doi.org/10.1016/S0301-0104(00)00401-8 . [all data]

Jacox, 1990
Jacox, M.E., The vibrational spectra of molecular ions isolated in solid neon. V. N2O+ and NNO-2, J. Chem. Phys., 1990, 93, 11, 7622, https://doi.org/10.1063/1.459393 . [all data]

Jacox, 1994
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]

Jacox, 1998
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement A, J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017 . [all data]

Jacox, 2003
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement B, J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629 . [all data]

Smith, 1969
Smith, W.H., Radiative Lifetimes and Total Transition Probabilities for Some Polyatomic Species, J. Chem. Phys., 1969, 51, 8, 3410, https://doi.org/10.1063/1.1672528 . [all data]

Eland, Devoret, et al., 1976
Eland, J.H.D.; Devoret, M.; Leach, S., Quantum yields and lifetimes of molecular ion fluorescence, Chem. Phys. Lett., 1976, 43, 1, 97, https://doi.org/10.1016/0009-2614(76)80765-8 . [all data]

Maier and Thommen, 1980
Maier, J.P.; Thommen, F., Fluorescence quantum yields and cascade-free lifetimes of state selected CO+2, COS+, CS+2 and N2O+ determined by photoelectron---photon coincidence spectroscopy, Chem. Phys., 1980, 51, 3, 319, https://doi.org/10.1016/0301-0104(80)80106-6 . [all data]

Dunbar and Turner, 1981
Dunbar, R.C.; Turner, D.W., Wavelength-resolved fluorescence lifetimes of gas-phase ions: CO2+ and CS2+, Chem. Phys., 1981, 57, 3, 377, https://doi.org/10.1016/0301-0104(81)80216-9 . [all data]

Klapstein and Maier, 1981
Klapstein, D.; Maier, J.P., Lifetimes of N2O+(Ã2Σ+) and COS+(Ã2Π) in selected vibronic levels, Chem. Phys. Lett., 1981, 83, 3, 590, https://doi.org/10.1016/0009-2614(81)85529-7 . [all data]

Ibuki and Sugita, 1984
Ibuki, T.; Sugita, N., Lifetimes of N2O+(A), CS+2(A), and CS+2(B) states produced by pulsed EUV photons, J. Chem. Phys., 1984, 80, 10, 4625, https://doi.org/10.1063/1.446547 . [all data]

Kindvall, Larsson, et al., 1986
Kindvall, G.; Larsson, M.; Olsson, B.; Sigray, P., Fluorescence Lifetimes of N, Phys. Scripta, 1986, 33, 5, 412, https://doi.org/10.1088/0031-8949/33/5/005 . [all data]

Kong, Rodgers, et al., 1994
Kong, W.; Rodgers, D.; Hepburn, J.W., Pulsed field ionization threshold photelectron spectroscopy of the fluorescing N2O+ (A 2Σ+) state, Chem. Phys. Lett., 1994, 221, 3-4, 301, https://doi.org/10.1016/0009-2614(94)00260-6 . [all data]

Notes

Go To: Top, Gas phase thermochemistry data, Vibrational and/or electronic energy levels, References

Symbols used in this document:

S°_{gas,1 bar} Entropy of gas at standard conditions (1 bar)
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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