vanadium oxide
- Formula: OV
- Molecular weight: 66.9409
- IUPAC Standard InChI: InChI=1S/O.V
- IUPAC Standard InChIKey: IBYSTTGVDIFUAY-UHFFFAOYSA-N
- CAS Registry Number: 12035-98-2
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Vanadium monoxide
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Gas phase thermochemistry data
Go To: Top, Condensed phase 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.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 30.500 | kcal/mol | Review | Chase, 1998 | Data last reviewed in December, 1973 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°gas,1 bar | 55.186 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in December, 1973 |
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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| Temperature (K) | 3500. to 6000. |
|---|---|
| A | 10.55670 |
| B | -1.625790 |
| C | 0.566023 |
| D | -0.045710 |
| E | -0.794800 |
| F | 25.55239 |
| G | 65.92679 |
| H | 30.50000 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in December, 1973 |
Condensed phase thermochemistry data
Go To: Top, Gas phase 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.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -88.647 | kcal/mol | Review | Chase, 1998 | Data last reviewed in December, 1973 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid,1 bar | 16.53 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in December, 1973 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔfH°solid | -103.20 | kcal/mol | Review | Chase, 1998 | Data last reviewed in December, 1973 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°solid | 9.345 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in December, 1973 |
Liquid 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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| Temperature (K) | 2063. to 3500. |
|---|---|
| A | 15.00000 |
| B | 1.075480×10-8 |
| C | -3.664511×10-9 |
| D | 4.265531×10-10 |
| E | 4.378750×10-9 |
| F | -94.59070 |
| G | 31.77170 |
| H | -88.64761 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in December, 1973 |
Solid 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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| Temperature (K) | 298. to 2063. |
|---|---|
| A | 10.98720 |
| B | 3.457460 |
| C | 0.148069 |
| D | -0.042426 |
| E | -0.100558 |
| F | -106.9620 |
| G | 21.03850 |
| H | -103.2000 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in December, 1973 |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Condensed phase 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:
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
B - John E. Bartmess
View reactions leading to OV+ (ion structure unspecified)
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.2290 ± 0.0080 | LPES | Wu and Wang, 1998 | B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 7.2386 ± 0.0006 | TE | Harrington and Weisshaar, 1992 | LL |
| 7.5 | DER | Lias, Bartmess, et al., 1988 | LL |
| 8.4 | EI | Balducci, Gigli, et al., 1983 | LBLHLM |
| 8. ± 1. | EI | Farber, Uy, et al., 1972 | LLK |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, 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]
Wu and Wang, 1998
Wu, H.; Wang, L.-S.,
A Photoelectron Spectroscopic Study of Monovanadium Oxide Anions (VOx-, x=1-4),
J. Phys. Chem., 1998, 108, 13, 5310, https://doi.org/10.1063/1.475966
. [all data]
Harrington and Weisshaar, 1992
Harrington, J.; Weisshaar, J.C.,
State-to-state photoionization of VO: Propensity for large positive changes in rotational quantum number,
J. Chem. Phys., 1992, 97, 2809. [all data]
Lias, Bartmess, et al., 1988
Lias, S.G.; Bartmess, J.E.; Liebman, J.F.; Holmes, J.L.; Levin, R.D.; Mallard, W.G.,
Gas-phase ion and neutral thermochemistry,
J. Phys. Chem. Ref. Data, Suppl. 1, 1988, 17, 1-861. [all data]
Balducci, Gigli, et al., 1983
Balducci, G.; Gigli, G.; Guido, M.,
Thermodynamic study of gaseous ternary oxide molecules. The europium-vanadium-oxygen system,
J. Chem. Phys., 1983, 79, 5623. [all data]
Farber, Uy, et al., 1972
Farber, M.; Uy, O.M.; Srivastava, R.D.,
Effusion-mass spectrometric determination of the heats of formation of the gaseous molecules V4O10, V4O8, VO2, and VO,
J. Chem. Phys., 1972, 56, 5312. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
EA Electron affinity S°gas,1 bar Entropy of gas at standard conditions (1 bar) S°liquid,1 bar Entropy of liquid at standard conditions (1 bar) S°solid Entropy of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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