Dichlorodifluoromethane anion
- Formula: CCl2F2-
- Molecular weight: 120.914
- IUPAC Standard InChI: InChI=1S/CCl2F2/c2-1(3,4)5/q-1
- IUPAC Standard InChIKey: ZRJWOSKKAZCGDA-UHFFFAOYSA-N
- CAS Registry Number: 66694-85-7
- Chemical structure:
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Gas phase thermochemistry data
Go To: Top, 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -530. ± 21. | kJ/mol | R-EA | Dispert and Lacmann, 1978 |
Vibrational and/or electronic energy levels
Go To: Top, Gas 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 by: Marilyn E. Jacox
State: X
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| CF2 a-stretch | 1029 | m | Ar | IR | Prochaska and Andrews, 1978 | ||
| 626 | m | Ar | IR | Prochaska and Andrews, 1978 | |||
| 564 | vs | Ar | IR | Prochaska and Andrews, 1978 | |||
Additional references: Jacox, 1994, page 303
Notes
| m | Medium |
| vs | Very strong |
References
Go To: Top, Gas phase 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.
Dispert and Lacmann, 1978
Dispert, H.; Lacmann, K.,
Negative ion formation in collisions between potassium and fluoro- and chloromethanes: Electron affinities and bond dissociation energies,
Int. J. Mass Spectrom. Ion Phys., 1978, 28, 49. [all data]
Prochaska and Andrews, 1978
Prochaska, F.T.; Andrews, L.,
Matrix radiolysis and photoionization of CF2Cl2 and CF3Cl. Infrared spectra of CF2Cl+ and the parent cations,
J. Chem. Phys., 1978, 68, 12, 5577, https://doi.org/10.1063/1.435687
. [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]
Notes
Go To: Top, Gas phase thermochemistry data, Vibrational and/or electronic energy levels, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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