Hydroxyl radical

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Gas phase thermochemistry data

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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
Δfgas9.319kcal/molReviewChase, 1998Data last reviewed in June, 1977
Quantity Value Units Method Reference Comment
gas,1 bar43.908cal/mol*KReviewChase, 1998Data last reviewed in June, 1977

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 (cal/mol*K)
    H° = standard enthalpy (kcal/mol)
    S° = standard entropy (cal/mol*K)
    t = temperature (K) / 1000.

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View table.

Temperature (K) 298. to 1300.1300. to 6000.
A 7.7145516.870701
B -2.7158011.126790
C 3.251781-0.194724
D -0.9193320.013085
E -0.000319-0.656747
F 7.1106916.313191
G 53.9145151.17510
H 9.3181319.318131
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in June, 1977 Data last reviewed in June, 1977

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Ion clustering 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 by: John E. Bartmess

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

O- + Hydrogen cation = Hydroxyl radical

By formula: O- + H+ = HO

Quantity Value Units Method Reference Comment
Δr382.600 ± 0.010kcal/molD-EANeumark, Lykke, et al., 1985gas phase; Given: 1.461122(3) eV; revised to 1.4611107(17) eV, 95BLO, based on missing term+86CODATA
Quantity Value Units Method Reference Comment
Δr376.73 ± 0.15kcal/molH-TSNeumark, Lykke, et al., 1985gas phase; Given: 1.461122(3) eV; revised to 1.4611107(17) eV, 95BLO, based on missing term+86CODATA

Fluorine anion + Hydroxyl radical = HFO-

By formula: F- + HO = HFO-

Quantity Value Units Method Reference Comment
Δr32.4 ± 2.3kcal/molLPESDeyerl and Continetti, 2005gas phase; affinity at 0 K

Hydrogen anion + Hydroxyl radical = (Hydrogen anion • Hydroxyl radical)

By formula: H- + HO = (H- • HO)

Quantity Value Units Method Reference Comment
Δr51.8 ± 4.1kcal/molTherde Koening and Nibbering, 1984gas phase

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Ion clustering 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
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 HO+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)13.017 ± 0.002eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)141.8kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity134.8kcal/molN/AHunter and Lias, 1998HL

Electron affinity determinations

EA (eV) Method Reference Comment
1.82767LPDSmith, Kim, et al., 1997Given: 14741.02(3) cm-1. dHacid(0K) = 389.11±0.014; B
1.827669 ± 0.000044LPDSchulz, Mead, et al., 1982Given: 1.82767±0.00021 eV; B
1.829 ± 0.010LPESCelotta, Bennett, et al., 1974B
1.8250 ± 0.0020LPDHotop, Patterson, et al., 1974B
1.830 ± 0.040PDBranscomb, 1966B
1.80 ± 0.20EIAETsuda and Hamill, 1964From MeOH,EtOH,nPrOH; B
1.80321N/ACheck, Faust, et al., 2001MnBr3-; ; ΔS(EA)=1.7; B
1.89 ± 0.12SIPage and Goode, 1969The Magnetron method, lacking mass analysis, is not considered reliable.; B

Ionization energy determinations

IE (eV) Method Reference Comment
13.0170 ± 0.0002TEWiedmann, Tonkyn, et al., 1992LL
13.01PEVan Lonkhuyzen and De Lange, 1984LBLHLM
12.88DERBerkowitz, Appelman, et al., 1973LLK
13.5 ± 1.0EIUy, Srivastava, et al., 1971LLK
12.94DERDibeler, Walker, et al., 1966RDSH
13.2 ± 0.1EIFoner and Hudson, 1956RDSH
13.01PEKatsumata and Lloyd, 1977Vertical value; LLK

De-protonation reactions

O- + Hydrogen cation = Hydroxyl radical

By formula: O- + H+ = HO

Quantity Value Units Method Reference Comment
Δr382.600 ± 0.010kcal/molD-EANeumark, Lykke, et al., 1985gas phase; Given: 1.461122(3) eV; revised to 1.4611107(17) eV, 95BLO, based on missing term+86CODATA; B
Quantity Value Units Method Reference Comment
Δr376.73 ± 0.15kcal/molH-TSNeumark, Lykke, et al., 1985gas phase; Given: 1.461122(3) eV; revised to 1.4611107(17) eV, 95BLO, based on missing term+86CODATA; B

Ion clustering data

Go To: Top, Gas phase thermochemistry data, 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.

Data compiled by: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

Fluorine anion + Hydroxyl radical = HFO-

By formula: F- + HO = HFO-

Quantity Value Units Method Reference Comment
Δr32.4 ± 2.3kcal/molLPESDeyerl and Continetti, 2005gas phase; affinity at 0 K

Hydrogen anion + Hydroxyl radical = (Hydrogen anion • Hydroxyl radical)

By formula: H- + HO = (H- • HO)

Quantity Value Units Method Reference Comment
Δr51.8 ± 4.1kcal/molTherde Koening and Nibbering, 1984gas phase

Constants of diatomic molecules

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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 May, 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 16O1H
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
Theoretical potential functions for 48 states Easson and Pryce, 1973; for X 2Π and A 2Σ+ see Stevens, Das, et al., 1974 Chu, Yoshimine, et al., 1974 Meyer and Rosmus, 1975.
C 2Σ+ 89459.1 1232.9 Z 19.1  4.247 1 2 0.078  2E-4  2.0461 C → A 3 4 R 55820.7 Z
Michel, 1957; Felenbok, 1963; missing citation
C 2Σ+ 5           (C → X) 3 (88223)
Michel, 1957; missing citation
D 2Σ- (82130) (2954)   [15.2179] 6   [16.16E-4]  [1.08093] D ← X 7 R 81759.78 8 Z
Douglas, 1974
StateTeωeωexeωeyeBeαeγeDeβereTrans.ν00
B 2Σ+ 69774 [660.0] Z 9  [5.086] 10 2 11  [9.29E-4] 12  [1.8698] B → A 4 R 35965.5 Z
Barrow, 1956; Michel, 1957; Herman, Felenbok, et al., 1961; missing citation; missing citation; missing citation; Czarny, Felenbok, et al., 1971
A 2Σ+ 32684.1 3178.86 Z 92.917 13  17.358 14 15 16 2 0.7868 17 -0.016 [20.39E-4] 18  1.0121 A ↔ X 19 20 R 32402.39 8 Z
Dieke and Crosswhite, 1948; Stoebner and Delbourgo, 1967; missing citation
X 2Πi 0 21 3737.761 Z 84.8813 22  18.9108 23 2 0.7242 24  19.38E-4 25  0.96966 1/2 ← 3/2 26 126.23
Evenson, Wells, et al., 1970; Mizushima, 1972
Rotational-vibration band 27 28
1-0 sequence
Allen, Blaine, et al., 1957; Charters and Polanyi, 1960; Maillard, Chauville, et al., 1976
2-0 sequence
Benedict, Plyler, et al., 1953; Charters and Polanyi, 1960; Rogge, Yarger, et al., 1960; Maillard, Chauville, et al., 1976
3-0 sequence
Bass and Garvin, 1962; Maillard, Chauville, et al., 1976
4-0 sequence
Herman and Hornbeck, 1953; Chamberlain and Roesler, 1955; McKinley, Garvin, et al., 1955; Bass and Garvin, 1962
other sequences
Chamberlain and Roesler, 1955; McKinley, Garvin, et al., 1955; Blackwell, Ingham, et al., 1960; Bass and Garvin, 1962
Rotation sp.
Madden and Benedict, 1955; Ducas and Javan, 1974; Downey, Robinson, et al., 1977
Hf Λ-doubling sp. 29 30 31
Dousmanis, Sanders, et al., 1955; Ehrenstein, 1963; Poynter and Beaudet, 1968; Destombes, Marliere, et al., 1974; Destombes and Marliere, 1975; Meerts and Dymanus, 1975; Meerts, 1977
EPR sp. 32
Radford, 1961; Churg and Levy, 1970; Clough, Curran, et al., 1971; Lee, Tam, et al., 1971; Hinkley, Walker, et al., 1973; Lee and Tam, 1974

Notes

1Spin splitting constants γ0 ...γ3 = +1.09...+0.67 Michel, 1957, Carlone and Dalby, 1969.
2RKR potential functions Fallon, Tobias, et al., 1961, Horsley and Richards, 1969.
3Lifetime of the upper state of the C→A system ~ 6 ns; measurements in the 1700-1900 region give τ ~2 ns which, in spite of the poor agreement, is not inconsistent with the assignment of at least part of these bands to C→X Smith and Stella, 1975. Much longer lifetimes (~ 80 ns) have been reported by Remy, 1971.
4Franck-Condon factors Felenbok, 1963.
5Strong many-line spectrum 1900-1700 Å, tentative identification.
6Spin splitting constant γ0 = -0.293.
7Theoretical oscillator strength f00 = 0.0036 Ray and Kelly, 1975.
8Energy of N'=0 relative to the zero-point of the Hill-Van Vleck expression for the ground state.
9Using isotope relations Barrow, 1956 estimates ωe = 940, ωexe = 105, ωeye = -21.5.
10Spin splitting constant γ<0.03 Carlone and Dalby, 1969. Predissociation by rotation in v=0 above N=15, in v=1 above N=9; dissociation products 1S + 2S Felenbok, 1963, Carlone and Dalby, 1969.
11B1 = 4.119. Constants for the B state are from Carlone and Dalby, 1969.
12D1 ~ 29.1E-4, H1= -15E-5.
13-1.7915(v+1/2)3 + 0.32362(v+1/2)4 - 0.03585(v+1/2)5 Barrow, 1956. Energy levels and improved ΔG(v+1/2) values are listed in Carlone and Dalby, 1969.
14Spin splitting constants γ0 ... γ3 = 0.201, 0.196, 0.192, 0.193 Moore and Richards, 1971; see also Dieke and Crosswhite, 1948.
15Predissociation in v=0 above N=23, in v=1 above N=14, and of all levels in v=2; from the lifetime measurements of Elmergreen and Smith, 1972, Anderson and Sutherland, 1973, German, 1975. A sharp decrease in the intensity of emission lines originating from the predissociated levels has been observed at or slightly above threshold in low pressure flames and discharges Gaydon and Wolfhard, 1951, Broida and Kane, 1953, Naegeli and Palmer, 1967; Charton and Gaydon, 1958 report corresponding intensity increases due to inverse predissociation in hydrogen flames; see also Gutman, Lutz, et al., 1968. The predissociation is noticeably stronger for the F1 than for the F2 levels; according to Palmer and Naegeli, 1968, Michels and Harris, 1969, Gaydon and Kopp, 1971, Anderson and Sutherland, 1973, Palmer and Naegeli, 1973, Smith, Elmergreen, et al., 1974, German, 1975 it is caused by the 4Σ- state arising from 3P + 2S, but the possibility of predissociation by the 2Π ground state has also been considered Durmaz and Murrell, 1971, Julienne, Krauss, et al., 1971. A much stronger predissociation of A 2Σ+ leading to diffuseness in the B→A bands has been observed Michel, 1957, Czarny and Felenbok, 1968, Carlone and Dalby, 1969 for v=5, 6, 7 at all N levels and for v=8 above N=6; according to Czarny, Felenbok, et al., 1971 it is produced by the 4Π state arising from 3P + 2S.
16μel(v=0) = 1.98 D from high-field Stark effects on the A→X transition Scarl and Dalby, 1971.
17The equilibrium constants were derived by Barrow, 1956 to fit Bv from v=0 to 4. Improved Bv values (v=0.. .3) have been obtained by Moore and Richards, 1971 from the data of Dieke and Crosswhite, 1948; additional Bv values for v≤9 are listed in Barrow, 1956, Michel, 1957, Felenbok, 1963, Carlone and Dalby, 1969. For term values (v=0...3) see Moore and Richards, 1971.
18Other Dv values in Moore and Richards, 1971 and Barrow, 1956, Michel, 1957, Felenbok, 1963, Carlone and Dalby, 1969; H0 = 8.71E-8 Moore and Richards, 1971.
19Radiative lifetimes τ(v=0,N=1) = 693 ± 10 ns, τ(v=l,N=1) = 736 ± 11 ns German, 1975. The increase from v=0 to v=1 and a similar variation with increasing rotation in v=0 [ German, 1975, see also Elmergreen and Smith, 1972, Anderson and Sutherland, 1973] are explained by the dependence on r of the transition moment [see German, 1975 and references given there]. Hogan and Davis, 1974 using a method very similar to German, 1975 obtain 720 765 ns for the average lifetimes of several low-lying rotational levels in v=0 and 1, respectively. Earlier apparently less accurate determinations Elmergreen and Smith, 1972, Becker and Haaks, 1973, Anderson and Sutherland, 1973, Becker, Haaks, et al., 1974, Brophy, Silver, et al., 1974 gave somewhat higher τ values [see also Bennett and Dalby, 1964]; Hanle effect measurements de Zafra, Marshall, et al., 1971, German, Bergeman, et al., 1973 are slightly lower. The decay time of the predissociated v=2 level (see 15) is 203 ± 13 ns for N=0 and decreases rapidly at higher N German, 1975; estimated non- radiative lifetime for N=1 ~ 270 ns. High-resolution line absorption measurements by Rouse and Engleman, 1973 [see also Golden, Del Greco, et al., 1963] give f00 = 0.00095 for the rotationless molecule in reasonable agreement with lifetime measurements but in sharp contrast to f00 = 0.00148 obtained by Anketell and Pery-Thorne, 1967 using the hook method; f10 values are, respectively, 0.00024 and 0.00089.
20Observed in emission in all kinds of electric discharges (often as an impurity), in flames Krishnamachari and Broida, 1961 and in the heads of comets; in absorption in H2O vapour at high temperature Bonhoeffer and Reichardt, 1928 and in electric discharges Oldenberg, 1935, in flames Gaydon, Spokes, et al., 1960, in the flash photolysis of H2O, O3 + H2O, and other mixtures Basco and Norrish, 1961, Black and Porter, 1962, Horne and Norrish, 1967, and in stellar spectra, especially the solar spectrum Moore and Broida, 1959. Emission and absorption in solid neon Tinti, 1968. Atlas of A-X bands Bass and Broida, 1953, new measurements of the 0-0 and 1-0 bands Engleman, 1972. Magnetic rotation spectrum Nanes and Robinson, 1971. Franck-Condon factors Nicholls, 1956, Nicholls, Fraser, et al., 1959, Felenbok, 1963. Vibrational intensity distribution Dieke and Crosswhite, 1948, Crosley and Lengel, 1975; rotational intensity distribution Learner, 1962, Meinel, 1967; effect of variation of transition moment with r and dependence on J Anketell and Learner, 1967, Crosley and Lengel, 1975.
21Av = -139.21 - 0.275v Maillard, Chauville, et al., 1976.
22+0.5409(v+1/2)3 - 0.02134(v+1/2)4 - 0.00113(v+1/2)5, representing the vibrational levels up to v=5 Maillard, Chauville, et al., 1976; see also Herman and Hornbeck, 1953, Chamberlain and Roesler, 1955. ΔG(1/2) = 3569.640 Maillard, Chauville, et al., 1976.
23Λ-type doubling parameters pv = 0.235 - 0.006v, qv = -0.0391 + 0.0018v, see Maillard, Chauville, et al., 1976 who give also centrifugal distortion terms. See 24.
24+0.00706(v+1/2)2 - 0.00050(v+1/2)3, representing B0 ...B5 Maillard, Chauville, et al., 1976; slightly different constants in Herman and Hornbeck, 1953, Moore and Richards, 1971, Veseth, 1971, Mizushima, 1972. Term values for v≤3 tabulated in Dieke and Crosswhite, 1948, Moore and Richards, 1971, for v=4, 5, 6 in Herman and Hornbeck, 1953, for v=7, 8, 9 in Bass and Garvin, 1962.
25-0.432E-4(v+1/2) + 0.024E-4(v+1/2)2; H0 = 14.2E-8 Maillard, Chauville, et al., 1976, see 24.
26The 79 μm electric dipole spectrum (2Π1/2,J=1/2 ← 2Π3/2, J=3/2) has been measured by the laser magnetic resonance method.
27Observed in emission in the spectrum of the night sky Meinel, 1950, Chamberlain and Roesler, 1955, Jones, 1955, Connes and Gush, 1959, Blackwell, Ingham, et al., 1960, in the H + O3 reaction McKinley, Garvin, et al., 1955, Kraus, 1957, Bass and Garvin, 1962, Murphy, 1971, in the H + O2 reaction Charters and Polanyi, 1960, and in oxyacetylene flames Benedict, Plyler, et al., 1953, Allen, Blaine, et al., 1957, Rogge, Yarger, et al., 1960, Maillard, Chauville, et al., 1976. In absorption in rare gas matrices Acquista, Schoen, et al., 1968.
28Radiative lifetimes derived from observed intensities: τ(v=1) = 24 ms, τ(v=2) = 12 ms Roux, d'Incan, et al., 1973; from the decay rate of the 9→7 radiation: τ(v=9) = 64 ms Potter, Coltharp, et al., 1971. The dipole moment function has been studied by many authors, most recently by Ferguson and Parkinson, 1963, d'Incan, Effantin, et al., 1971, Murphy, 1971 and Roux, d'Incan, et al., 1973 from measured band strengths and transition probabilities. An extensive ab initio calculation of the dipole moment function is given by Stevens, Das, et al., 1974 [see also Chu, Yoshimine, et al., 1974]. Mies, 1974 has used this ab initio function to predict absolute intensities of a large array of vibration-rotation transitions taking account of spin uncoupling and vibration-rotation interaction [see also the early work of Heaps and Herzberg, 1952 and Cashion, 1963].
29The 18 cm transition (2Π3/2,J=3/2) consists of four components Ehrenstein, Townes, et al., 1959, Radford, 1964, ter Meulen and Dymanus, 1972: F'=1←F"=2 1612.23101 MHz F'=1←F"=1 1665.40184 MHz F'=2←F"=2 1667.35903 MHz F'=2←F"=1 1720.52998 MHz Einstein A coefficients for these transitions have been calculated by Turner, 1966. Calculated frequencies for 17OH Valtz and Soglasnova, 1973.
30Hfs and Λ-doubling constants. From Stark shifts of the hf Λ-doubling transitions Powell and Lide, 1965, Meerts and Dymanus, 1973 determine μel(v=0) = 1.6676 D.
31Also observed in interstellar clouds, see the reviews in Barrett, 1967, Robinson and McGee, 1967, Cook, 1969. In some clouds there is strong evidence for maser action. In the laboratory population inversion between Λ-doublet states was recently observed by ter Meulen, Meerts, et al., 1976.
32Observed in v=0...9. Hyperfine and Λ-doubling constants. EPR spectrum of 17OH Carrington and Lucas, 1970.
33Short extrapolation of the vibrational levels in A 2Σ+, assuming that this state has no potential maximum; confirmed by the observed predissociation in B 2Σ+ Carlone and Dalby, 1969. De = 4.621 eV, in complete agreement with the most recent theoretical value Arnold, Whiting, et al., 1976.
34Photoionization mass-spectrometry of HOF Berkowitz, Appelman, et al., 1973; 13.01 eV from the photoelectron spectrum Katsumata and Lloyd, 1977.

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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.

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

Neumark, Lykke, et al., 1985
Neumark, D.M.; Lykke, K.R.; Andersen, T.; Lineberger, W.C., Laser photodetachment measurement of the electron affinity of atomic oxygen, Phys. Rev. A:, 1985, 32, 1890. [all data]

Deyerl and Continetti, 2005
Deyerl, H.J.; Continetti, R.E., Photoelectron-photofragment coincidence study of OHF-: transition state dynamics of the reaction OH+F - O+HF, Phys. Chem. Chem. Phys., 2005, 7, 5, 855-860, https://doi.org/10.1039/b414604b . [all data]

de Koening and Nibbering, 1984
de Koening, L.J.; Nibbering, N.M.M., Formation of the Long-Lived H2O-. Ion in the Gas Phase, J. Am. Chem. Soc., 1984, 106, 25, 7971, https://doi.org/10.1021/ja00337a054 . [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Smith, Kim, et al., 1997
Smith, J.R.; Kim, J.B.; Lineberger, W.C., High-resolution Threshold Photodetachment Spectroscopy of OH-, Phys. Rev. A, 1997, 55, 3, 2036, https://doi.org/10.1103/PhysRevA.55.2036 . [all data]

Schulz, Mead, et al., 1982
Schulz, P.A.; Mead, R.D.; Jones, P.L.; Lineberger, W.C., OH- and OD- threshold photodetachment, J. Chem. Phys., 1982, 77, 1153. [all data]

Celotta, Bennett, et al., 1974
Celotta, R.S.; Bennett, R.A.; Hall, J.L., Laser Photodetachment Determination of the Electron Affinities of OH, NH2, NH, SO2, and S2, J. Chem. Phys., 1974, 60, 5, 1740, https://doi.org/10.1063/1.1681268 . [all data]

Hotop, Patterson, et al., 1974
Hotop, H.; Patterson, T.A.; Lineberger, W.C., High resolution photodetachment study of OH- and OD- in the threshold region 7000-6450 Å, J. Chem. Phys., 1974, 60, 1806. [all data]

Branscomb, 1966
Branscomb, L.M., Photodetachment Cross Section, Electron Affinity, and Structure of the Negative Hydroxyl Ion, Phys. Rev., 1966, 148, 1, 11, https://doi.org/10.1103/PhysRev.148.11 . [all data]

Tsuda and Hamill, 1964
Tsuda, S.; Hamill, W.H., Ionization Efficiency Measurements by the Retarding Potential Difference Method, Adv. Mass Spectrom., 1964, 3, 249. [all data]

Check, Faust, et al., 2001
Check, C.E.; Faust, T.O.; Bailey, J.M.; Wright, B.J.; Gilbert, T.M.; Sunderlin, L.S., Addition of Polarization and Diffuse Functions to the LANL2DZ Basis Set for P-Block Elements, J. Phys. Chem. A,, 2001, 105, 34, 8111, https://doi.org/10.1021/jp011945l . [all data]

Page and Goode, 1969
Page, F.M.; Goode, G.C., Negative Ions and the Magnetron., Wiley, NY, 1969. [all data]

Wiedmann, Tonkyn, et al., 1992
Wiedmann, R.T.; Tonkyn, R.G.; White, M.G.; Wang, K.; McKoy, V., Rotationally resolved threshold photoelectron spectra of OH and OD, J. Chem. Phys., 1992, 97, 768. [all data]

Van Lonkhuyzen and De Lange, 1984
Van Lonkhuyzen, H.; De Lange, C.A., U. V. photoelectron spectroscopy of OH and OD radicals, Mol. Phys., 1984, 51, 551. [all data]

Berkowitz, Appelman, et al., 1973
Berkowitz, J.; Appelman, E.H.; Chupka, W.A., Photoionization of HOF with mass analysis, J. Chem. Phys., 1973, 58, 1950. [all data]

Uy, Srivastava, et al., 1971
Uy, O.M.; Srivastava, R.D.; Farber, M., Mass spectrometric determination of the heats of formation of gaseous BO2 BOF2, High Temp. Sci., 1971, 3, 462. [all data]

Dibeler, Walker, et al., 1966
Dibeler, V.H.; Walker, J.A.; Rosenstock, H.M., Mass spectrometric study of photoionization. V.Water and ammonia, J.Res. NBS, 1966, 70A, 459. [all data]

Foner and Hudson, 1956
Foner, S.N.; Hudson, R.L., Ionization potential of the OH free radical by mass spectrometry, J. Chem. Phys., 1956, 25, 602. [all data]

Katsumata and Lloyd, 1977
Katsumata, S.; Lloyd, D.R., The photoelectron spectra of the OH and OD radicals, Chem. Phys. Lett., 1977, 45, 519. [all data]

Easson and Pryce, 1973
Easson, I.; Pryce, M.H.L., Calculated potential energy curves of OH, Can. J. Phys., 1973, 51, 518. [all data]

Stevens, Das, et al., 1974
Stevens, W.J.; Das, G.; Wahl, A.C.; Krauss, M.; Neumann, D., Study of the ground state potential curve and dipole moment of OH by the method of optimized valence configurations, J. Chem. Phys., 1974, 61, 3686. [all data]

Chu, Yoshimine, et al., 1974
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Notes

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