Nitric oxide

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Gas phase thermochemistry data

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Constants of diatomic molecules, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Quantity Value Units Method Reference Comment
Δfgas90.29kJ/molReviewChase, 1998Data last reviewed in June, 1963
Quantity Value Units Method Reference Comment
gas,1 bar210.76J/mol*KReviewChase, 1998Data last reviewed in June, 1963

Gas Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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View table.

Temperature (K) 298. to 1200.1200. to 6000.
A 23.8349135.99169
B 12.588780.957170
C -1.139011-0.148032
D -1.4974590.009974
E 0.214194-3.004088
F 83.3578373.10787
G 237.1219246.1619
H 90.2911490.29114
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in June, 1963 Data last reviewed in June, 1963

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Constants of diatomic molecules, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

Nitric oxide anion + Nitric oxide = (Nitric oxide anion • Nitric oxide)

By formula: NO- + NO = (NO- • NO)

Quantity Value Units Method Reference Comment
Δr57.7kJ/molPILinn, Ono, et al., 1981gas phase; M
Δr56.9kJ/molPINg, Tiedemann, et al., 1977gas phase; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
29.296.SAMSPuckett and Teague, 1971gas phase; M

(Nitric oxide anion • Nitric oxide) + Nitric oxide = (Nitric oxide anion • 2Nitric oxide)

By formula: (NO- • NO) + NO = (NO- • 2NO)

Quantity Value Units Method Reference Comment
Δr31.kJ/molPILinn, Ono, et al., 1981gas phase; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
7.9296.SAMSPuckett and Teague, 1971gas phase; M

(Nickel ion (1+) • Nitric oxide) + Nitric oxide = (Nickel ion (1+) • 2Nitric oxide)

By formula: (Ni+ • NO) + NO = (Ni+ • 2NO)

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
115. (+5.0,-0.) CIDKhan, Steele, et al., 1995gas phase; guided ion beam CID; M

Nickel ion (1+) + Nitric oxide = (Nickel ion (1+) • Nitric oxide)

By formula: Ni+ + NO = (Ni+ • NO)

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
123. (+6.7,-0.) CIDKhan, Steele, et al., 1995gas phase; guided ion beam CID; M

(Nitric oxide anion • 2Nitric oxide) + Nitric oxide = (Nitric oxide anion • 3Nitric oxide)

By formula: (NO- • 2NO) + NO = (NO- • 3NO)

Quantity Value Units Method Reference Comment
Δr15.kJ/molPILinn, Ono, et al., 1981gas phase; M

(Nitric oxide anion • 3Nitric oxide) + Nitric oxide = (Nitric oxide anion • 4Nitric oxide)

By formula: (NO- • 3NO) + NO = (NO- • 4NO)

Quantity Value Units Method Reference Comment
Δr15.kJ/molPILinn, Ono, et al., 1981gas phase; M

(Nitric oxide anion • 4Nitric oxide) + Nitric oxide = (Nitric oxide anion • 5Nitric oxide)

By formula: (NO- • 4NO) + NO = (NO- • 5NO)

Quantity Value Units Method Reference Comment
Δr9.6kJ/molPILinn, Ono, et al., 1981gas phase; M

Ethyl-nitrite- = Nitric oxide + Ethoxy radical

By formula: C2H5NO2 = NO + C2H5O

Quantity Value Units Method Reference Comment
Δr158.kJ/molKinRebbert and Laidler, 1952gas phase; ALS

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Constants of diatomic molecules, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
MM - Michael M. Meot-Ner (Mautner)
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to NO+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)9.2642 ± 0.00002eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)531.8kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity505.3kJ/molN/AHunter and Lias, 1998HL

Proton affinity at 298K

Proton affinity (kJ/mol) Reference Comment
526.1 ± 1.3Kuo, Zhang, et al., 1997T = 0K; Photoionization of HNO yields DHf(HNO+) from which PA(NO) is calculated at 0 K and 298K.; MM

Ionization energy determinations

IE (eV) Method Reference Comment
9.26438 ± 0.00005TEReiser, Habenicht, et al., 1988LL
9.26405 ± 0.00006TESander, Chewter, et al., 1987LBLHLM
9.26383PIMuller-Dethlefs, Sander, et al., 1984LBLHLM
9.2644SSeaver, Chupka, et al., 1983LBLHLM
9.2643 ± 0.0002PIEbata, Anezaki, et al., 1983LBLHLM
9.23PEFantoni, Giardini-Guidoni, et al., 1982LBLHLM
9.2 ± 0.1EIKim, Stephan, et al., 1981LLK
9.54PEKimura, Katsumata, et al., 1981LLK
9.26436EVALHuber and Herzberg, 1979LLK
9.26436 ± 0.00006SMiescher, 1976LLK
9.27PENatalis, 1973LLK
9.262 ± 0.003PEEdqvist, Asbrink, et al., 1971LLK
9.27PECollin, Delwiche, et al., 1971LLK
9.25 ± 0.02EIHildenbrand, 1970RDSH
9.25 ± 0.15EICristy and Mamantov, 1970RDSH
9.267TEPeatman, Borne, et al., 1969RDSH
9.2639 ± 0.0006SJungen and Miescher, 1969RDSH
9.27 ± 0.05EICantone, Emma, et al., 1968RDSH
9.28 ± 0.03EIHierl and Franklin, 1967RDSH
9.266 ± 0.008SDressler and Miescher, 1965RDSH
9.250 ± 0.005PINicholson, 1963RDSH
9.267 ± 0.005SHuber, 1961RDSH
9.25 ± 0.02PIWatanabe, 1954RDSH
9.26PEKibel and Nyberg, 1979Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
N+19.56O-PIErman, Karawajczyk, et al., 1995LL
N+21.02OPIErman, Karawajczyk, et al., 1995LL
N+19.56 ± 0.03O-PIOertel, Schenk, et al., 1980LLK
N+19.6 ± 0.2O-EILocht and Momigny, 1971LLK
N+19.94 ± 0.14O-EIHierl and Franklin, 1967RDSH
N+34.1 ± 0.7O+EIAppell, Durup, et al., 1966RDSH
N+19.55 ± 0.04O-EICloutier and Schiff, 1959RDSH
N+21.11 ± 0.04OEICloutier and Schiff, 1959RDSH
N4+21.78 ± 0.11OEIHierl and Franklin, 1967RDSH
O+20.12NPIErman, Karawajczyk, et al., 1995LL
O+20.1 ± 0.3NEIDoong and Bizot, 1973LLK
O+20.46 ± 0.10NEIHierl and Franklin, 1967RDSH
O+20.11 ± 0.03NEICloutier and Schiff, 1959RDSH

Anion protonation reactions

Nitric oxide anion + Hydrogen cation = Nitrosyl hydride

By formula: NO- + H+ = HNO

Quantity Value Units Method Reference Comment
Δr1511.6 ± 0.63kJ/molD-EATravers, Cowles, et al., 1989gas phase; ground state triplet anion; B
Quantity Value Units Method Reference Comment
Δr1484.0 ± 1.4kJ/molH-TSTravers, Cowles, et al., 1989gas phase; ground state triplet anion; B

Constants of diatomic molecules

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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

Data collected through March, 1977

Symbols used in the table of constants
SymbolMeaning
State electronic state and / or symmetry symbol
Te minimum electronic energy (cm-1)
ωe vibrational constant – first term (cm-1)
ωexe vibrational constant – second term (cm-1)
ωeye vibrational constant – third term (cm-1)
Be rotational constant in equilibrium position (cm-1)
αe rotational constant – first term (cm-1)
γe rotation-vibration interaction constant (cm-1)
De centrifugal distortion constant (cm-1)
βe rotational constant – first term, centrifugal force (cm-1)
re internuclear distance (Å)
Trans. observed transition(s) corresponding to electronic state
ν00 position of 0-0 band (units noted in table)
Diatomic constants for 14N16O
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
For a detailed discussion of the electronic spectrum with particular emphasis on Rydberg ~ Rydberg and Rydberg ~ non-Rydberg interactions see Miescher and Huber, 1976; this review contains references to spectra of four isotopes as well as a short summary of theoretical calculations.
(2Σ-,2Δ,2Σ+) 2Broad unresolved peak in the oxygen K shell electron energy loss spectrum at 532.7 eV. 1
Wight and Brion, 1974
Rydberg states converging to the nitrogen K edge at 410.2 (3Π) and 411.6 (1Π) eV, observed in X-ray absorption and electron energy loss spectra at 406.3, 407.3, 408.6 eV, ...
Morioka, Nakamura, et al., 1974; Wight and Brion, 1974
(2Σ-) 4Two very weak bands in the X-ray absorption spectrum at 402.3 and 403.9 eV. 3
Morioka, Nakamura, et al., 1974
(2Δ,2Σ+,2Σ-) 5Two very weak bands in the X-ray absorption spectrum at 402.3 and 403.9 eV. 3
Morioka, Nakamura, et al., 1974
(2Σ-,2Δ,2Σ+) 7Strong unresolved peak in X-ray absorption and electron energy loss spectra at 399.8 eV.6
Morioka, Nakamura, et al., 1974; Wight and Brion, 1974
Narayana 9Narayana and Price's absorption Rydberg series converging to c 3Π of NO+:
4σ5σ242π ndλ ν = 175220 - R/(n+0.05)2, n = 3...7. All bands diffuse.8
missing citation; Sasanuma, Morioka, et al., 1974
4σ5σ242π npλ ν = 175220 - R/(n-0.70)2, n = 3...6. All bands diffuse.8
missing citation; Sasanuma, Morioka, et al., 1974
Fragments of an additional series Sasanuma, Morioka, et al., 1974. Additional cross sections 700 - 180 Å (143000 - 556000 cm-1).
Gardner, Lynch, et al., 1973; Lee, Carlson, et al., 1973
Tanaka 11Tanaka's absorption Rydberg series converging to A 1Π(v=0) and b 3Π(v=0) of NP+:
5σ1π42π npλ ν ≈ 147805 - R/(n-0.78)2; γ series, n=3...11.10 Also fragments of weak series with v'=1.
Tanaka, 1942; missing citation; Edqvist, Lindholm, et al., 1970
5σ1π42π npλ ν ≈ 133570 - R/(n-0.70)2; β series, n=3...15.10 Also fragments of weak series with v'=1.
Tanaka, 1942; missing citation; Edqvist, Lindholm, et al., 1970
32π nsσ Rydberg series converging to a 3Σ+, w 3Δ, b 3Σ-, A 1Σ-, W 1Δ of NO+. Only the first two or three members of each absorption series have been identified; long upper state progressions. Tables of absorption features 950 - 650 Å (105000 - 154000 cm-1) Tanaka, 1942, Huber, 1961*, Metzger, Cook, et al., 1967*. Absorption coefficients, photoionization and photodissociation yields Reese and Rosenstock, 1966, Metzger, Cook, et al., 1967, Watanabe, Matsunaga, et al., 1967, Bahr, Blake, et al., 1972, Hertz, Jochims, et al., 1974.
Edqvist, Lindholm, et al., 1970
The band structure of the absorption spectrum from 80000 to 105000 cm-1 has not yet been analyzed. Absorption coefficients, photoionization efficiency curves Nicholson, 1963, Reese and Rosenstock, 1966, Watanabe, Matsunaga, et al., 1967; the data of Watanabe, Matsunaga, et al., 1967 are conveiently plotted in Figure 6 of Gardner and Samson, 1973 and Figure 4 of Kleimenov, Chizhov, et al., 1972. Autoionization processes have been studied by photoelectron spectroscopy Collin, Delwiche, et al., 1971, Gardner and Samson, 1973, Caprace, Delwiche, et al., 1976; partial cross-sections for the formation of vibrationally excited NO+ Kleimenov, Chizhov, et al., 1972.
Atlas of the absorption spectrum 1420 - 1250 Å (70400 - 80000 cm-1) Miescher and Alberti, 1976; for a photographic reproduction of the spectrum at longer wavelengths (1920 - 1400 Å) see Lagerqvist and Miescher, 1958. A useful quantitative low-resolution plot of the absorption from 2300 to 1100 Å may be found in Figure 2.1 of Miescher and Huber, 1976, adapted from Marmo, 1953. Absorption coefficients, photoionization efficiency curves Watanabe, Marmo, et al., 1953, Watanabe, Matsunaga, et al., 1967, Killgoar, Leroi, et al., 1973, and Ng, Mahan, et al., 1976 whose supersonic molecular beam technique made it possible to resolve the autoionization strucutre superimposed on the first four vibrational steps due to direct ionization.
Rydberg series converging to v=0...4 of X 1Σ+ of NO+ and fragments of series with v'=5:
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
nf series 12           nf ← X 
missing citation; missing citation
ndδ series 13           ndδ ← X 
missing citation; Miescher and Huber, 1976; missing citation
npπ,σ series 14           npπ,σ ← X 
missing citation; Miescher and Huber, 1976; missing citation
nsσ series 15           nsσ ← X 
missing citation; Miescher and Huber, 1976; missing citation
Several unnassigned non-Rydberg levels, mixed with Rydberg levels, near the dissociation limit 2D + 3P at 71627 cm-1.
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
6f 71427 2376 H 16.2        6f ← X 71543
Miescher, 1966; missing citation
71427 2376 H 16.2        6f ← X 71662.6 H
Miescher, 1966; missing citation
6dδ (71342) (2397) H (23)  [1.86]      6dδ ← X V 71467
Miescher, 1966; missing citation; Miescher, 1976
(71342) (2397) H (23)  [1.86]      6dδ ← X V 71586 16 Z
Miescher, 1966; missing citation; Miescher, 1976
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
Z 2Σ+ 7sσ 71224 2377 H 16.4  [1.938]      Z ← X V 71340
Miescher, 1966; missing citation
71224 2377 H 16.4  [1.938]      Z ← X V 71460 16 Z
Miescher, 1966; missing citation
Y 2Σ+ 6pσ 70614 2370 15.0  [2.11] 17      Y ← X V 70728
Dressler and Miescher, 1965; Miescher, 1966; missing citation
            70847 18 Z
Dressler and Miescher, 1965; Miescher, 1966; missing citation
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
W 2Π 6pπ 70512 2375 15.6 19        W ← X 70627
Dressler and Miescher, 1965; Miescher, 1966; missing citation
            70747
Dressler and Miescher, 1965; Miescher, 1966; missing citation
5f 70079 2377 H 16.5  [1.988] 20      5f ← X 70195
Dressler and Miescher, 1965; Miescher, 1966; missing citation
            70315 21
Dressler and Miescher, 1965; Miescher, 1966; missing citation
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
U 2Δ5dδ (69977) 2371 16.4 22        U ← X (70090)
Miescher, 1966; missing citation; Miescher, 1976
            (70210)
Miescher, 1966; missing citation; Miescher, 1976
T 2Σ+6sσ (69728) 2372 15.7 23        T ← X V (69841)
Miescher, 1966; missing citation
            (69961)
Miescher, 1966; missing citation
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
R 2Σ+5pσ (68598)    [2.04] 24 25      R ← X V 68710.9
Dressler and Miescher, 1965; missing citation
            68830.7 18 Z
Dressler and Miescher, 1965; missing citation
Q 2Π5pπ 26           Q ← X 68526
Dressler and Miescher, 1965; missing citation
Q 2Π5pπ            68646
Dressler and Miescher, 1965; missing citation
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
O' 2Π 4dπ (67762) 27 (2371) (16)  [2.022] 28      O,O' → D 14702.2
Huber, 1964; missing citation
            14697.9
Huber, 1964; missing citation
O 2Σ+ 4dσ (67757) (2371) (16)  [1.990] 28      O,O' → C 15623
Huber, 1964; missing citation
            15619
Huber, 1964; missing citation
           O,O' ← X 67874.8
Miescher, 1966; missing citation
           O,O' ← X 67870.5
Miescher, 1966; missing citation
           O,O' ← X 67994.5 18 Z
Miescher, 1966; missing citation
           O,O' ← X 67990.3 18 Z
Miescher, 1966; missing citation
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
4f 67596 2381 H 18.5  [1.988] 20     [1.0657] 4f ← X 67713
Miescher, 1966; missing citation
            67833 21
Miescher, 1966; missing citation
N 2Δ4dδ 67374 2375 29 15 29  1.969 29 0.026 29     N → C 30 15238 29
Huber, 1964; missing citation
           N ↔ X V 67489
Dressler and Miescher, 1965; missing citation; missing citation
           N ↔ X V 67609 29
Dressler and Miescher, 1965; missing citation; missing citation
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
S 2Σ+5sσ 66900 2378 Z 16.5  1.980 0.020     S ← X V 67016
Lagerqvist and Miescher, 1962; Dressler and Miescher, 1965; Lagerqvist and Miescher, 1966
            67136 18 Z
Lagerqvist and Miescher, 1962; Dressler and Miescher, 1965; Lagerqvist and Miescher, 1966
M 2Σ+4pσ 64437 2352 Z 19.5  2.022 31 0.018     M ← X V 64540
Barrow and Miescher, 1957; Lagerqvist and Miescher, 1962; Dressler and Miescher, 1965; missing citation; missing citation
           M ← X V 64660 18 Z
Barrow and Miescher, 1957; Lagerqvist and Miescher, 1962; Dressler and Miescher, 1965; missing citation; missing citation
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
K 2Π4pπ 34     [1.895] 32 33      K ← X V 64167
Lagerqvist and Miescher, 1962; Dressler and Miescher, 1965; missing citation
K 2Π4pπ     [1.895] 32 33      K ← X V 64287 18 35 Z
Lagerqvist and Miescher, 1962; Dressler and Miescher, 1965; missing citation
I 2Σ+ (63500) 36          I ← X R 
Dressler and Miescher, 1965; Miescher, 1976
G 2Σ- 62913.0 1085.54 Z 11.083 37 -0.1439 1.2523 38 0.0204    1.3427 G ← X 39 R 62384.7
missing citation; missing citation; Miescher, 1976
            62504.4 40 Z
missing citation; missing citation; Miescher, 1976
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
L 2Πi (62500) 41 42          L ← X 
Dressler and Miescher, 1965; missing citation
H' 2Π 3dπ 62485.4 43 2371.3 Z 16.17  2.015 44 0.021    1.0585 H,H → D 45 9426.0
Huber, Huber, et al., 1963; missing citation
            9414.2
Huber, Huber, et al., 1963; missing citation
H 2Σ+ 3dσ 62473.4 [2339.4] Z   2.003 44 0.018    1.0617 H,H' → C 45 10348
Huber, Huber, et al., 1963; Huber, 1964; missing citation
            10336
Huber, Huber, et al., 1963; Huber, 1964; missing citation
           H,H' → A 45 18518.2
Huber, Huber, et al., 1963; missing citation
           H,H' → A 45 18506.4
Huber, Huber, et al., 1963; missing citation
           H,H' ← X 46 62598.6
Huber and Miescher, 1963; Miescher, 1966; missing citation
            62586.8
Huber and Miescher, 1963; Miescher, 1966; missing citation
            62718.4 40 Z
Huber and Miescher, 1963; Miescher, 1966; missing citation
            62706.6 40 Z
Huber and Miescher, 1963; Miescher, 1966; missing citation
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
F 2Δ3dδ 61800 2394 47 20 47  1.982 47 0.023 47    1.067 F → C 48 45 9670 47
Huber, 1964; missing citation
           F ↔ X 46 V 61924
Lagerqvist and Miescher, 1962; Dressler and Miescher, 1965; missing citation; missing citation
           F ↔ X 46 V 62044 49
Lagerqvist and Miescher, 1962; Dressler and Miescher, 1965; missing citation; missing citation
E 2Σ+4sσ 60628.8 2375.3 Z 16.43  1.9863 50 0.182  5.6E-6   E → D 45 51 7571.5
Feast, 1950; Heath, 1959
           E → A 45 16663.63 Z
missing citation; missing citation
           E ← X 52 V 60744.1
Tanaka, Seya, et al., 1951; Ueda, 1955; missing citation; Dressler and Miescher, 1965
            60863.8 40 Z
Tanaka, Seya, et al., 1951; Ueda, 1955; missing citation; Dressler and Miescher, 1965
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
B' 2Δi 60364.2 53 1217.4 54 15.61 54  1.322 54 0.021 54    1.302 B' → C 55 
Huber, 1964; missing citation
           B' → B 56 52 V 14508.6
Baer and Miescher, 1952; Ogawa, 1953; Ogawa and Shimauchi, 1956; Huber, 1964
            14538.7
Baer and Miescher, 1952; Ogawa, 1953; Ogawa and Shimauchi, 1956; Huber, 1964
           B' ↔ X 56 57 52 R 59900.7
Baer and Miescher, 1951; Baer and Miescher, 1952; Sutcliffe and Walsh, 1953; Tanaka, 1953; Ueda, 1955; missing citation; Dressler and Miescher, 1965; missing citation; missing citation
            60020.4 40 Z
Baer and Miescher, 1951; Baer and Miescher, 1952; Sutcliffe and Walsh, 1953; Tanaka, 1953; Ueda, 1955; missing citation; Dressler and Miescher, 1965; missing citation; missing citation
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
D 2Σ+ 3pσ 53084.7 2323.90 Z 22.885 58 0.75 2.0026 59 0.02175  [5.8E-6]  1.0618 D → A 60 45 9092.17 Z
Feast, 1950; Huber, 1964; missing citation; missing citation
           D ↔ X 60 52 61 V 53172.7
missing citation; missing citation; Gero, Schmid, et al., 1944; Baer and Miescher, 1952; Tanaka, 1953; Ogawa, 1955; Deezsi and Matrai, 1957; missing citation; Lagerqvist and Miescher, 1966; missing citation; Poland and Broida, 1971
            53292.4 40 Z
missing citation; missing citation; Gero, Schmid, et al., 1944; Baer and Miescher, 1952; Tanaka, 1953; Ogawa, 1955; Deezsi and Matrai, 1957; missing citation; Lagerqvist and Miescher, 1966; missing citation; Poland and Broida, 1971
C 2Πr 3pπ 52126 62 2395 63 15 63  2.000 63 64 0.030 63    1.062 C → A 64 65 8172
Heath, 1959; missing citation; missing citation
           C ↔ X 64 66 67 V 52251
missing citation; Schmid, 1928; missing citation; Gaydon, 1944; Herzberg, Lagerqvist, et al., 1956; missing citation; Lagerqvist and Miescher, 1966; missing citation; Poland and Broida, 1971
            52371
missing citation; Schmid, 1928; missing citation; Gaydon, 1944; Herzberg, Lagerqvist, et al., 1956; missing citation; Lagerqvist and Miescher, 1966; missing citation; Poland and Broida, 1971
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
b (4Σ-) (48680) 1206 68 H 15        b → a V 10395 68 H
missing citation; missing citation
            10375 68 H
missing citation; missing citation
            10350 68 H
missing citation; missing citation
            10323 68 H
missing citation; missing citation
            10300 68 H
missing citation; missing citation
            10272 68 H
missing citation; missing citation
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
B 2Πr 45942.6 69 1039.8 70 Z 8.32 0.17 1.152 70 0.012  4.9E-6  1.4167 B ↔ X 71 72 67 R 45392.1 73 Z
missing citation; missing citation; missing citation; Schmid, 1928; Sutcliffe and Walsh, 1953; missing citation; Ogawa, 1955; Ogawa and Shimauchi, 1956; Deezsi and Matrai, 1957; missing citation; missing citation; Lagerqvist and Miescher, 1962; Lagerqvist and Miescher, 1966; Engleman, Rouse, et al., 1970
45913.6 1037.2 70 Z 7.70 0.10 1.092 70 74 0.012  4.9E-6  1.4167  45481.7 73 Z
missing citation; missing citation; missing citation; Schmid, 1928; Sutcliffe and Walsh, 1953; missing citation; Ogawa, 1955; Ogawa and Shimauchi, 1956; Deezsi and Matrai, 1957; missing citation; missing citation; Lagerqvist and Miescher, 1962; Lagerqvist and Miescher, 1966; Engleman, Rouse, et al., 1970
A 2Σ+ 3sσ 43965.7 2374.31 Z 10.106 75 -0.0465 1.9965 76 77 78 0.01915 76  5.4E-6  1.06434 A ↔ X 79 80 81 67 V 44080.5
missing citation; Schmid, 1928; Gero and Schmid, 1948; Ogawa, 1955; Deezsi and Matrai, 1957; Koczkas, 1959; Engleman, Rouse, et al., 1970
            44200.2 82 Z
missing citation; Schmid, 1928; Gero and Schmid, 1948; Ogawa, 1955; Deezsi and Matrai, 1957; Koczkas, 1959; Engleman, Rouse, et al., 1970
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
a (4Πi) (38440) 1017 H 11        (a → X) 83 (38000)
Broida and Peyron, 1960; Frosch and Robinson, 1964
X 2Πr 119.82 84 1904.040 Z 14.100 85  [1.72016] 86 0.0182  [10.23E-6] 86  1.15077 3/2 ← 1/2 87 119.73 88 Z
Brown, Cole, et al., 1972
0 1904.204 Z 14.075 85  [1.67195] 86 89 0.0171  [0.54E-6] 86  1.15077  
Brown, Cole, et al., 1972
Rotation vibration sp.: 4→2
Horn and Dickey, 1964
Rotation vibration sp.: 4←0
Meyer, Haeusler, et al., 1965; Meyer and Haeusler, 1965
Rotation vibration sp.: 3→1
Horn and Dickey, 1964
Rotation vibration sp.: 3←0 90 91
Nichols, Hause, et al., 1955; Arcas, Haeusler, et al., 1963; Meyer, Haeusler, et al., 1964; Olman, McNelis, et al., 1964; Meyer, Haeusler, et al., 1965
Rotation vibration sp.: 2←1
Guerra, Sanchez, et al., 1977
Rotation vibration sp.: 2↔0 90 91 92
Nichols, Hause, et al., 1955; Horn and Dickey, 1964; Olman, McNelis, et al., 1964; Meyer, Haeusler, et al., 1965
Rotation vibration sp.: 1↔0 90 91 92 93 94 95 96 97
Shaw, 1956; Thompson and Green, 1956; missing citation; James and Thibault, 1964; Keck and Hause, 1968; Valentin, Boissy, et al., 1976; Johns, Reid, et al., 1977
Rotation sp. 98
Gallagher and Johnson, 1956; Palik and Rao, 1956; Favero, Mirri, et al., 1959; Hall and Dowling, 1966; Brown, Cole, et al., 1972
Raman sp. 99
Renschler, Hunt, et al., 1969; Shotton and Jones, 1970
EPR sp.
Brown and Radford, 1966; Ashford, Jarke, et al., 1972; Jarke, Ashford, et al., 1976
Hyperfine Λ doubl. sp. q
Neumann, 1970; Meerts and Dymanus, 1972; Meerts, 1976

Notes

1Excitation of a 1s0 electron to the 2π orbital.
2Rydberg states converging to the nitrogen K edge at 410.2 (3Π) and 411.6 (1Π) eV, observed in X-ray absorption and electron energy loss spectra at 406.3, 407.3, 408.6 eV, ...
3Tentatively interpreted as arising from two-electron excitation from the 1sN and lπ to the 2π orbital Morioka, Nakamura, et al., 1974. Only one peak (404.7 eV) is observed in the electron energy loss spectrum Wight and Brion, 1974.
4Two very weak bands in the X-ray absorption spectrum at 402.3 and 403.9 eV. 3
5Strong unresolved peak in X-ray absorption and electron energy loss spectra at 399.8 eV.6
6Excitation of a 1sN electron to the 2π orbital.
7Narayana and Price's absorption Rydberg series converging to c 3Π of NO+:
8Photoionization yields (NO+, N+, O+) in the region of these Rydberg series Hertz, Jochims, et al., 1974, 2.
9Fragments of an additional series Sasanuma, Morioka, et al., 1974. Additional cross sections 700 - 180 Å (143000 - 556000 cm-1).
10The Rydberg formulae do not accurately reproduce the observed bands owing to the slow variation of the quantum defect with n.
1132π nsσ Rydberg series converging to a 3Σ+, w 3Δ, b 3Σ-, A 1Σ-, W 1Δ of NO+. Only the first two or three members of each absorption series have been identified; long upper state progressions. Tables of absorption features 950 - 650 Å (105000 - 154000 cm-1) Tanaka, 1942, Huber, 1961*, Metzger, Cook, et al., 1967*. Absorption coefficients, photoionization and photodissociation yields Reese and Rosenstock, 1966, Metzger, Cook, et al., 1967, Watanabe, Matsunaga, et al., 1967, Bahr, Blake, et al., 1972, Hertz, Jochims, et al., 1974.
12n = 4...15. Sharp rotational structure.
13Joinging on to F 2Δ(n=3), N 2Δ(n=4), U 2Δ(n=5), and incompletely observed to n=8. Perturbations by stable and unstable states.
14Joining on to C 2Π, D 2Σ+(n=3), K 2Π, M 2Σ+(n=4), Q 2Π, R 2Σ+(n=5), and W 2Π, Y 2Σ+(n=6); bands of varying diffuseness have been observed to n=11. The influence of the unstable A' 2Σ+ state is briefly discussed in Miescher, 1976.
15Joining on to A 2Σ+(n=3), E 2Σ+(n=4), S 2Σ+(n=5), T 2Σ+(n=6) Z 2Σ+(n=7). The Be values decrease from 1.997 (n=3) to 1.713 for the highest observed state (n=11) as a consequence of nsσ ~ (n-1)dσ interactions.28 Sharp rotational structure.
16These band origins refer to N'=0 (non-existent for Λ ≠ 0) in the excited state and to the hypothetical level J"=0 of the X 2Π1/2 ground state, in accordance with definitions adopted in these tables. The corresponding numbers for the X 2Π3/2 component are obtained by subtracting 119.7 cm-1.
17v=1,2,3 diffuse
18See 16.
19v=0 perturbed by non-Rydberg level; v=1,2,3 very diffuse
20B value of the NO+ core. For details of the analysis and derived core parameters (polarizability, quadrupole moment) see Jungen and Miescher, 1969.
21Energy of the Δ (or L = 2) component relative to the hypothetical level J"=0, calculated using results from the analysis of the 14N18O spectrum; see Jungen and Miescher, 1969.
22Partial rot. Analyses for v=0,1 (15N18O). Perturbations by non-Rydberg levels. V=2,3,4 diffuse to varying degrees.
23v=0 coincides with I(v=6) and E(v=4), strong perturbation. B1 = 1.92.
24The interaction between R 2Σ+(v=0), I 2Σ+(v=5?), and the continuous A' 2Σ+ state has been observed in the spectra of four isotopes; see Figure 2.5 of Miescher and Huber, 1976.
25v=1,2 diffuse
26v=0,1 mixed with non-Rydberg levels, v=2,3,4 diffuse.
27A slight mixing of the ground state into the ndπ components is responsible for the larger than expected spin-orbit coupling in H'(A = +0.96, ξ = +0.92) and O'(A = +0.36, ξ = +0.34); see Jungen, 1970, also Kovacs, 1963, Suter, 1969, Miescher, 1971.
28Strong l-uncoupling, η(v=0) = 1.92, 3d and η(v=0) = 1.88, 4d for 3d and 4d, respectively Miescher, 1971. The magnitude of η was interpreted in terms of s~d mixing Jungen, 1970; the interaction matrix elements are 910 (4sσ ~3dσ) and 430 cm-1 (5sσ~4dσ). The non-negligible spin-orbit coupling in ndπ (see 27) gives rise to small perturbations between e levels of the 2Π F1 and F2 components Huber and Miescher, 1963, Kovacs, 1963, Suter, 1969, Miescher, 1971. Additional perturbations in H,H' by Rydberg and non-Rydberg levels Miescher, 1971. For H,H'(v=3) only Π- has been observed. The Π+ and Σ+ components of 0,0'(v=0) are weakly predissociated for all N, Π- above N=16 Suter, 1969.
29Approximate deperturbed constants, see 54; v=3 at 74580 cm-1 is very diffuse Miescher, 1976.
30The N→C 0-0 band is strongly mixed with B'→C 7-0; see 55.
31Heterogeneous perturbations by levels of B 2Π Jungen and Miescher, 1968. Levels having v≥1 are diffuse to varying degrees.
32A small perturbation by L 2Π(v=2?) affects the first few rotational levels in v=0; higher vibrational levels (v=1,2,3) are strongly mixed with non-Rydberg states (B 2Π and L 2Π).
33Λ-type doubling, Δ vfe(F1) = +0.034N(N+1).
34v=0...3 observed.
35Deperturbed.
36Five levels (v=4...8?) have been observed for various isotopes in the region 67800 - 72000 cm-1. Erratic behaviour with regard to diffuseness and isotopes shifts on account of interactions with the unstable A' 2Σ+ state and with npσ Rydberg states. See also Ben-Aryeh, 1973.
37ωeye = -0.1439. The levels v=10,11,12 are diffuse and lie above the limit 2D + 3P; v=13 not observed. See also Ben-Aryeh, 1973.
38Small perturbations in isotope spectra.
39Absorption in rare gas matrices Roncin, Damany, et al., 1967,197, in high pressure argon Miladi, le Falher, et al., 1975.
40See 16.
41A ~ -80.
42Fragments of several levels (vibr. Numbering not established) in perturbations with levels of B, C, K. Constants comparable to B Π.
43See 27.
44See 28.
45For experimental and theoretical f values see Wray, 1969, Groth, Kley, et al., 1971 and Gallusser and Dressler, 1971, respectively.
46Also observed by non-resonant multiphoton ionization spectroscopy Johnson, Berman, et al., 1975.
47Approximate deperturbed constants; see 54.
48Lines of the perturbed F→C 1-1 band are prominent in the NO laser spectrum Miescher, 1974; see 54, 55.
49missing note
50v=3,4 somewhat diffuse, v=5 sharp. Emission observed from v≤2; Huber, 1964 reports an abrupt breaking-off in the E→A 2-2 band for an upper state energy of 68100 cm-1.
51E→C not observed, in agreement with theoretical predictions Gallusser and Dressler, 1971 regarding the dipole transition strengths of E→C and E→D.
52For references to Franck-Condon factor calculations see the review by Ortenberg and Antropov, 1967.
53A0= -2.2 Jungen, 1966, A1= -2.4 Jungen, 1966, ..., A9= -4.9 Jungen, 1966.
54Deperturbed constants; B' 2Δ interacts strongly with F 2Δ (matrix element He~(F 2Δ) ~ 450 cm-1) and N 2Δ (He ~ 400) Felenbok and Lefebvre-Brion, 1966, Jungen, 1966; see also 57. Perturbations by B 2Π are unobservably small because of unfavorable Franck-Condon factors Field, Gottscho, et al., 1975.
55Fragments of two bands, 4-1 at 9800 cm-1 and 7-0 at 15300 cm-1, both appearing on account of configuration interaction, in the upper state with F 2Δ and N 2Δ, respectively, in the lower state with B 2Π. Lines of the 4-1 band, together with F→C 1-1, are seen in the NO laser spectrum Huber, 1964, 2, Jungen, Miescher, et al., 1966, Broida and Miescher, 1973, Miescher, 1974.
56Lifetime τ(v=1) = 75 ns Brzozowski, Elander, et al., 1974.
57An experimentally deperturbed spectrum of B'-X is observed in matrix absorption Roncin, Damany, et al., 1967, Roncin, 1968, Boursey, 1976. A gradual deperturbation in the gas phase is induced by increasingly high foreign gas pressures Miladi, le Falher, et al., 1975.
58ωeze = -0.22, v≤4 Barrow and Miescher, 1957, not including v=5 and v=6 Lagerqvist and Miescher, 1966. The vibrational constants clearly differ from those of other Rydberg 2Σ states or of the NO+ ground state. It has been suggested [see e.g. Miescher, 1971, also Ben-Aryeh, 1973] that there is an avoided crossing of the potential curves of D 2Σ+ and A' 2Σ+ (unstable, arising from 4S+3P).
59From Barrow and Miescher, 1957. Heterogeneous perturbations by B 2Π; for details see Jungen and Miescher, 1968. According to Huber, 1964 the rotational structure of D→A 1-1, 2-2, 3-3 breaks off abruptly at D state energies of 59270 cm-1 in v=1,2 and 60100 cm-1 in v=3.
60Lifetimes τ(v=0) = 18.4 ns Hesser, 1968, τ(v=0)= 19.0 ns Benoist D'Azy, Lopez-Delgado, et al., 1975, τ(v=0)= 25.7 ns Brzozowski, Elander, et al., 1974; τ(v=1) = 26.4 ns Brzozowski, Elander, et al., 1974.
61f00 = 0.0025 Bethke, 1959, f10 = 0.0046 Bethke, 1959, f20 = 0.0033 Bethke, 1959; from integrated absorption intensities Bethke, 1959. See also Ory, 1964, Callear and Pilling, 1970.
62A0 = +3.0 cm-1 Ackermann and Miescher, 1968.
63Approximate deperturbed constants; strong interaction with B 2Π, see 70. Λ-type doubling, Δ vfe(F1) = +0.016N(N+l).
64Weak predissociation in v=0 above N=3 or 4 [see Miescher, 1974, Dingle, Freedman, et al., 1975 and 100]. The predissociation is assumed to occur via the continuum of the a 4Π state and causes a reduction of the measured lifetimes in v=0 from 20 ns for N ~< 4 to 3 ns for N ~> 4 Benoist D'Azy, Lopez-Delgado, et al., 1975; τ(v=1) ≤ 0.3 ns. No emission has been observed from levels having v≥1.
65See 45.
66f00 = 0.0023 Bethke, 1959, Mandelman and Carrington, 1974, higher value in Callear and Pilling, 1970; f10 = 0.0058 Bethke, 1959, f20 = 0.0027 Bethke, 1959. See also Ory, 1964.
67See 52 RKR Franck-Condon factors for the β bands Jain and Sahni, 1968, Generosa and Harris, 1970, for the γ bands Jain and Sahni, 1968, Spindler, Isaacson, et al., 1970.
68A different vibrational numbering was suggested by Gilmore, 1965.
69Av = +31.32 + 1.152(v+1/2) + 0.0448(v+1/2)2. The expression represents the data of Engleman, Rouse, et al., 1970 for the first seven levels. Av increases to +77 for v=25; see Lagerqvist and Miescher, 1966.
70Effective constants for v ≤5 Callear and Smith, 1965. The reevaluation of the constants by Engleman, Rouse, et al., 1970, based on new measurements of the β bands and using a modified Hill-Van Vleck expression, gave G(v) = 1037.45(v+1/2) - 7.472(v+1/2)2 + 0.07253~(v+1/2)3, Bv = 1.1250 - 0.0l348(v+1/2) + 0.000125~(v+1/2)2. The highest level observed in emission is v'=7 [mixed with C(v=0)] Deezsi, 1960, Ackermann and Miescher, 1969; vibrational levels as high as v'=29 have been identified in the absorption spectrum Dressler and Miescher, 1965. They are strongly perturbed by interaction with the Rydberg states C 2Π (matrix element He(C 2Π) ~1200 cm-1) and K 2Π (He(K 2Π) ~800); see Lagerqvist and Miescher, 1958, Felenbok and Lefebvre-Brion, 1966. A complete deperturbation, taking also into account the interaction with L 2Π, was attempted by Bartholdi, Leoni, et al., 1971; more recent results by Gallusser and Dressler (ωe = 1025.0 Boursey and Roncin, 1975, ωexe = 4.52 Boursey and Roncin, 1975, ωeye = -0.0846 Boursey and Roncin, 1975) are quoted by Boursey and Roncin, 1975 who observed the deperturbed spectrum of B 2Π in matrix absorption Roncin, Damany, et al., 1967, Roncin, 1968. A similar deperturbation is induced by high pressure foreign gases Miladi, le Falher, et al., 1975. Heterogeneous interactions with levels of D 2Σ+ and M 2Σ+ are discussed by Jungen and Miescher, 1968.
71Radiative lifetimes τ(v=0) = 1.99 μs Brzozowski, Elander, et al., 1974, τ(v=1)= 1.78 μs Brzozowski, Elander, et al., 1974, τ(v=4)= 1.65 μs Brzozowski, Elander, et al., 1974. Jeunehomme and Duncan, 1964 give somewhat longer lifetimes.
72f00 = 2.5E-8 Hasson and Nicholls, 1971; fv'0 values increase to 4.6E-5 for v'=6 Bethke, 1959, Hasson and Nicholls, 1971, Farmer, Hasson, et al., 1972. Above v'=7 the intensities are governed by the strong interactions with the 3p and 4p Rydberg states; see 70. See also Antropov, Dronov, et al., 1964, Ory, 1964, Marr, 1964, Antropov, 1968.
73Referring to the hypothetical J=0 levels in both upper and lower state.
74Λ-type doubling Huber, 1964. Δ vfe(v=0)= -0.0064(J+1/2) Huber, 1964.
75 Engleman, Rouse, et al., 1970
76Rotational constants reevaluated from data in Barrow and Miescher, 1957 and Engleman, Rouse, et al., 1970; the equilibrium constants of the latter appear unreliable.
77Spin splitting constant γ(v=3) = -0.0027650, μel(v=3)=1.10 D. These constants, as well as eqQ and magnetic hf constants, have been recalculated by Woods and Dixon, 1976 from the optical-rf double resonance experiment of Bergeman and Zare, 1974; see also Green, 1972 Walch and Goddard, 1975. Hanle effect German, Zare, et al., 1971, Gouedard, 1972, Weinstock, Zare, et al., 1972.
78According to Gero and Schmid, 1948, Deezsi, 1959 the intensity of the emission bands drops sharply at N'=74,64,52,38 in v'= 0,1,2,3, respectively; bands with v'≥4 have not been observed in emission.
79Radiative lifetimes τ(v=0) = 215 ns Zacharias, Halpern, et al., 1976, τ(v=1) = 203 ns Zacharias, Halpern, et al., 1976,τ(v=2) = 174 ns Zacharias, Halpern, et al., 1976; good agreement with Brzozowski, Elander, et al., 1974 except for v=2 where these authors find τ(v=2) = 195 ns Zacharias, Halpern, et al., 1976. See also Jeunehomme, 1966, Weinstock, Zare, et al., 1972, Benoist D'Azy, Lopez-Delgado, et al., 1975.
80f00 = 0.00038 Weber and Penner, 1957, Bethke, 1959, Pery-Thorne and Banfield, 1970, Farmer, Hasson, et al., 1972, Hasson, Farmer, et al., 1972, f10= 0.00081 Weber and Penner, 1957, Bethke, 1959, Pery-Thorne and Banfield, 1970, Farmer, Hasson, et al., 1972, Hasson, Farmer, et al., 1972, f20= 0.00069 Weber and Penner, 1957, Bethke, 1959, Pery-Thorne and Banfield, 1970, Farmer, Hasson, et al., 1972, Hasson, Farmer, et al., 1972, f30= 0.00030 Weber and Penner, 1957, Bethke, 1959, Pery-Thorne and Banfield, 1970, Farmer, Hasson, et al., 1972, Hasson, Farmer, et al., 1972; weighted average values. Variation of transition moment with r Marr, 1964, Callear, Pilling, et al., 1966, Jeunehomme, 1966, Antropov, Kolesnikov, et al., 1967, Antropov, 1968, Jain and Sahni, 1968, Bubert, 1972; see also Poland and Broida, 1971.
81Also observed in two-photon excitation Bray, Hochstrasser, et al., 1974, Bray, Hochstrasser, et al., 1975, Zacharias, Halpern, et al., 1976 and magnetic rotation spectra Robinson, 1967. 15N16O band head measurements Cisak, Danielak, et al., 1970.
82see 16 .
83Assignment uncertain, only observed in rare gas matrices. Predicted lifetime τ= 0.1 s Lefebvre-Brion and Guerin, 1968. See also Zarur and Chiu, 1973.
84Av = +123.26 - 0.1906(v+1/2) - 0.0108(v+1/2)2; from the analysis of β and γ bands having v"≤16 Engleman, Rouse, et al., 1970. Much more precise constants for v=0 and 1 (A eff=123.1393 v=0 and A eff=122.8935 v=1, respectively) and their J dependence have been determined from measurements on the vibration-rotation fundamental and on the pure rotation spectrum Valentin, Boissy, et al., 1976, Johns, Reid, et al., 1977. See also Brown, Cole, et al., 1972, Mizushima, Evenson, et al., 1972.
85ωeye = 0.0110 (2Π3/2) James and Thibault, 1964, Meyer, Haeusler, et al., 1965 and ωeye= 0.0077 (2Π1/2) James and Thibault, 1964, Meyer, Haeusler, et al., 1965; these are effective vibrational constants obtained from rotation-vibration spectra James and Thibault, 1964, Meyer, Haeusler, et al., 1965. Valentin, Boissy, et al., 1976, Johns, Reid, et al., 1977 have accurately evaluated ΔG(1/2) = 1875.972 Valentin, Boissy, et al., 1976, Johns, Reid, et al., 1977; see 84. Engleman, Rouse, et al., 1970, see 84, give the following expression, valid for v≤l6: G(v) = 1904.405(v+1/2) - 14.1870(v+1/2)2 + 0.02400(v+1/2)3 - 0.00093(v+1/2)4, v≤16. The vibrational levels have been observed to v=23 Brook and Kaplan, 1954.
86Effective rotational constants from rotation Gallagher and Johnson, 1956, Favero, Mirri, et al., 1959, Hall and Dowling, 1966 and rotation-vibration spectra Hakuta and Uehara, 1975, Valentin, Boissy, et al., 1976. Precise B and D values for v=0 and 1 have been calculated by Johns, Reid, et al., 1977, see 84, B0 = 1.696115, B1 = 1.678544; D0 = 5.34E-6, D1 = 5.37E-6; good agreement with Valentin, Boissy, et al., 1976. Engleman, Rouse, et al., 1970, see 84, give the following expression for v≤l6: Bv = 1.70427 - 0.01728(v+1/2) - 0.000037(v+1/2)2 Engleman, Rouse, et al., 1970.
87Observed in the electronic-rotational Raman spectrum Rasetti, 1930 Fast, Welsh, et al., 1969, Lepard, 1970, and as magnetic dipole transition in the far IR Brown, Cole, et al., 1972. Laser Zeeman spectrum Mizushima, Evenson, et al., 1972.
88See 73.
89Λ-type doubling, Δ vfe ~ (+)0.0117(J+1/2). Precise Λ-doubling constants have been evaluated by Meerts and Dymanus, 1972, Meerts, 1976, Valentin, Boissy, et al., 1976, Johns, Reid, et al., 1977, the variation of p and q with v agrees with the measurements of Guerra, Sanchez, et al., 1977.
90Magnetic rotation Mann and Hause, 1960, Aubel and Hause, 1966, Buckingham and Segal, 1968, Keck and Hause, 1968, 2, Blum, Nill, et al., 1973.
91Integrated band intensities, dipole moment function Schurin and Ellis, 1966, Michels, 1971, Chandraiah and Cho, 1973, Konkov and Vorontsov, 1973; Billingsley, 1975, Billingsley, 1976.
922-O band of 15N18O Griggs and Rao, 1967, 1-0 band of 15N16,18O Fletcher and Begun, 1957, Griggs and Rao, 1967, Keck and Hause, 1968.
93Λ-doubling, nuclear hfs, and Zeeman splittings Blum, Nill, et al., 1972, Nill, Blum, et al., 1972. 2Π3/2 laser magnetic resonance spectra Zeiger, Blum, et al., 1973, Hakuta and Uehara, 1975.
94Laser Stark spectrum Hoy, Johns, et al., 1975; μel(2Π1/2,v=0) = 0.1574 D Hoy, Johns, et al., 1975 (see also 102), μel(2Π1/2,v=1) = 0.1416 D. For 2Π3/2 the difference μel(v=1) - μel(v=0) = -0.01735 D was determined.
95From pressure-broadened linewidths Tejwani, Golden, et al., 1976 derive a value of Qm= 2.4E-26 esu cm2 Tejwani, Golden, et al., 1976 for the quadrupole moment of NO. Earlier results are reviewed in this paper.
96Absorption spectrum of CO laser radiation by NO Richton, 1976, Hanson, Monat, et al., 1976, Garside, Ballik, et al., 1977.
97Δv=1 sequence in emission Mantz, Shafer, et al., 1976. Several laser lines have been observed in the P branches of the 6-5, ..., 11-10 bands Deutsch, 1966.
98Zeeman effect Mizushima, Cox, et al., 1955, Stark effect Burrus and Graybeal, 1958, both in 2Π1/2.
99See also references in 87.
100From the breaking-off below N'=4 in the C→A 0-0 band emitted during radiative recombination of N and 0 atoms via inverse predissociation Dingle, Freedman, et al., 1975, see also Mandelman, Carrington, et al., 1973; in good agreement with Callear and Pilling, 1970, 2. A very slightly higher value, i.e. 6.4977 ≤ D00 ≤ 6.5007 eV Miescher, 1974, is suggested Miescher, 1974 by the failure to detect F→C laser transitions ending on the lowest C level observed in the N + O recombination spectrum.
101Extrapolation of selected rotational lines in the nf←X Rydberg series Miescher, 1974, 2, Miescher, 1976, based on the fine structure analysis of the 4f and 5f complexes Jungen and Miescher, 1969.
102μel =0.15872 D, 2Π1/2(v=0,J=1/2) Neumann, 1970 from Stark effect;

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Constants of diatomic molecules, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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Notes

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