HypoFluorous acid
- Formula: FHO
- Molecular weight: 36.0057
- IUPAC Standard InChIKey: AQYSYJUIMQTRMV-UHFFFAOYSA-N
- CAS Registry Number: 14034-79-8
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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Gas phase thermochemistry data
Go To: Top, Phase change data, Reaction thermochemistry data, Vibrational and/or electronic energy levels, 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 |
---|---|---|---|---|---|
ΔfH°gas | -98.32 | kJ/mol | Review | Chase, 1998 | Data last reviewed in December, 1972 |
Quantity | Value | Units | Method | Reference | Comment |
S°gas,1 bar | 226.77 | J/mol*K | Review | Chase, 1998 | Data last reviewed in December, 1972 |
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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Temperature (K) | 298. to 1300. | 1300. to 6000. |
---|---|---|
A | 24.78773 | 49.80592 |
B | 45.03365 | 4.151080 |
C | -30.03238 | -0.766860 |
D | 8.137128 | 0.049557 |
E | 0.013346 | -6.154957 |
F | -107.4229 | -125.8041 |
G | 244.6766 | 270.6278 |
H | -98.32400 | -98.32400 |
Reference | Chase, 1998 | Chase, 1998 |
Comment | Data last reviewed in December, 1972 | Data last reviewed in December, 1972 |
Phase change data
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Vibrational and/or electronic energy levels, 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: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 156. | K | N/A | Studier and Appleman, 1971 | Uncertainty assigned by TRC = 2. K |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change data, Vibrational and/or electronic energy levels, 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
FO- + =
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1517. ± 14. | kJ/mol | Acid | Gilles, Polak, et al., 1992 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1490. ± 15. | kJ/mol | H-TS | Gilles, Polak, et al., 1992 | gas phase |
Vibrational and/or electronic energy levels
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry 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 as indicated in comments:
J - Marilyn E. Jacox
Shim - Takehiko Shimanouchi
State: ?
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Td = 26300 | U | gas | Elliott, 1983 | ||||
Appelman, Downs, et al., 1989 | |||||||
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a' | 1 | OH stretch | 3577.93 | gas | IR | Appelman and Kim, 1972 Burger, Pawelke, et al., 1989 | |
1 | OH stretch | 3572 | m s | Ar | IR | Appelman, Downs, et al., 1989 | |
1 | OH stretch | 3537.1 | s | N2 | IR | Goleb, Claassen, et al., 1972 Appelman, Downs, et al., 1989 | |
1 | OH stretch | 3550 | s | O2 | IR | Appelman, Downs, et al., 1989 | |
2 | Bend | 1353.40 | gas | IR | Appelman and Kim, 1972 Burger, Pawelke, et al., 1988 | ||
2 | Bend | 1350 | vs | Ar | IR | Appelman, Downs, et al., 1989 | |
2 | Bend | 1359.0 | vs | N2 | IR | Goleb, Claassen, et al., 1972 Appelman, Downs, et al., 1989 | |
2 | Bend | 1350 | vs | O2 | IR | Appelman, Downs, et al., 1989 | |
3 | OF stretch | 889.08 | gas | IR | Appelman and Kim, 1972 Burger, Pawelke, et al., 1988 | ||
3 | OF stretch | 888 | m s | Ar | IR | Appelman, Downs, et al., 1989 | |
3 | OF stretch | 886.0 | w m | N2 | IR | Noble and Pimentel, 1968 Goleb, Claassen, et al., 1972 Appelman, Downs, et al., 1989 | |
3 | OF stretch | 884 | m s | O2 | IR | Appelman, Downs, et al., 1989 | |
Additional references: Jacox, 1994, page 51; Kim, Pearson, et al., 1972; Pearson and Kim, 1972; Burger, Pawelke, et al., 1989, 2
Notes
w | Weak |
m | Medium |
s | Strong |
vs | Very strong |
U | Upper bound |
d | Photodissociation threshold |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Vibrational and/or electronic energy levels, 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]
Studier and Appleman, 1971
Studier, M.H.; Appleman, E.H.,
Hypofluorous Acid,
J. Am. Chem. Soc., 1971, 93, 2349. [all data]
Gilles, Polak, et al., 1992
Gilles, M.K.; Polak, M.L.; Lineberger, W.C.,
Photoelectron Spectroscopy of the Halogen Oxide Anions FO-, ClO-, BrO-, IO-, OClO-, and OIO-,
J. Chem. Phys., 1992, 96, 11, 8012, https://doi.org/10.1063/1.462352
. [all data]
Elliott, 1983
Elliott, S.,
Atmos. Environ, 1983, 17, 759. [all data]
Appelman, Downs, et al., 1989
Appelman, E.H.; Downs, A.J.; Gardner, C.J.,
Matrix photochemistry of hypofluorous acid, HOF: oxygen atom transfer and other reactions,
J. Phys. Chem., 1989, 93, 2, 598, https://doi.org/10.1021/j100339a021
. [all data]
Appelman and Kim, 1972
Appelman, E.H.; Kim, H.,
Gas-Phase Infrared Spectra of HOF and DOF,
J. Chem. Phys., 1972, 57, 8, 3272, https://doi.org/10.1063/1.1678752
. [all data]
Burger, Pawelke, et al., 1989
Burger, H.; Pawelke, G.; Rahner, A.; Appelman, E.H.; Halonen, L.,
The high-resolution infrared spectrum of HOF: The interacting ν1 and 2ν2 + ν3 states,
J. Mol. Spectrosc., 1989, 138, 2, 346, https://doi.org/10.1016/0022-2852(89)90003-9
. [all data]
Goleb, Claassen, et al., 1972
Goleb, J.A.; Claassen, H.H.; Studier, M.H.; Appelman, E.H.,
Spectrochim. Acta, 1972, 28A, 65. [all data]
Burger, Pawelke, et al., 1988
Burger, H.; Pawelke, G.; Rahner, A.; Appelman, E.H.; Mills, I.M.,
The infrared spectrum of the ν2 and ν3 bands of H16OF, H18OF, and D16OF,
J. Mol. Spectrosc., 1988, 128, 1, 278, https://doi.org/10.1016/0022-2852(88)90224-X
. [all data]
Noble and Pimentel, 1968
Noble, P.N.; Pimentel, G.C.,
Spectrochim. Acta, 1968, 24A, 7907. [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]
Kim, Pearson, et al., 1972
Kim, H.; Pearson, E.F.; Appelman, E.H.,
Millimeter-Wave Spectrum and Structure of Hypofluorous Acid: HOF and DOF,
J. Chem. Phys., 1972, 56, 1, 1, https://doi.org/10.1063/1.1676830
. [all data]
Pearson and Kim, 1972
Pearson, E.F.; Kim, H.,
Centrifugal Distortion Analysis of Hypofluorous Acid: HOF and DOF,
J. Chem. Phys., 1972, 57, 10, 4230, https://doi.org/10.1063/1.1678053
. [all data]
Burger, Pawelke, et al., 1989, 2
Burger, H.; Pawelke, G.; Sommer, S.; Rahner, A.; Appelman, E.H.; Mills, I.M.,
The high-resolution infrared spectrum of HOF near 2700 cm-1: The ground and 2ν2 states,
J. Mol. Spectrosc., 1989, 136, 1, 197, https://doi.org/10.1016/0022-2852(89)90232-4
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction 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) Tfus Fusion (melting) point ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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