oxalyl difluoride
- Formula: C2F2O2
- Molecular weight: 94.0170
- CAS Registry Number: 359-40-0
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Phase change data
Go To: Top, 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 299.7 | K | N/A | PCR Inc., 1990 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 260.73 | K | N/A | Hodge, 1971 | Uncertainty assigned by TRC = 0.05 K; TRC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
28.255 | 270.13 | Hodge, 1971, 2 | DH |
29.7 | 268. | Stephenson and Malanowski, 1987 | Based on data from 264. to 272. K.; AC |
Entropy of vaporization
ΔvapS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
104.6 | 270.13 | Hodge, 1971, 2 | DH |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
16.7 | 247. | Stephenson and Malanowski, 1987 | Based on data from 234. to 260. K.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
13.407 | 260.73 | Hodge, 1971, 2 | DH |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
51.4 | 260.73 | Hodge, 1971, 2 | DH |
Gas phase ion energetics data
Go To: Top, Phase change 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
12.20 ± 0.02 | PE | Frost, McDowell, et al., 1977 | LLK |
References
Go To: Top, Phase change 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.
PCR Inc., 1990
PCR Inc.,
Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]
Hodge, 1971
Hodge, P.E.,
The thermodynamic properties of trifluoroacetyl fluoride from 14 K to its boiling point and the thermodynamic properties of oxalyl fluoride from 130K to its normal boiling point. molecular data, Ph.D. Dissertation, Case Western Reserve University, Cleve- land, OH, 1971. [all data]
Hodge, 1971, 2
Hodge, P.E.,
The thermodynamic properties of trifluoroacetyl fluoride from 14 K to its normal boiling point and the thermodynamic properties of oxalyl fluoride from 130K to its normal boiling point. The entropies from spectroscopic and molecular data,
Diss. Abstr., 1971, 32, 1482-1483. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Frost, McDowell, et al., 1977
Frost, D.C.; McDowell, C.A.; Pouzard, G.; Westwood, N.P.C.,
The photoelectron spectra of the oxalyl halides (COX)2,[X = F, Cl and Br],
J. Electron Spectrosc. Relat. Phenom., 1977, 10, 273. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Tboil Boiling point Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔsubH Enthalpy of sublimation ΔvapH Enthalpy of vaporization ΔvapS Entropy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.