Magnesium fluoride
- Formula: F2Mg
- Molecular weight: 62.3018
- IUPAC Standard InChI: InChI=1S/2FH.Mg/h2*1H;/q;;+2/p-2
- IUPAC Standard InChIKey: ORUIBWPALBXDOA-UHFFFAOYSA-L
- CAS Registry Number: 7783-40-6
- Chemical structure:
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Phase change data
Go To: Top, Gas phase ion energetics 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: William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 348.2 ± 4.3 | kJ/mol | N/A | Greenbaum, Ko, et al., 1964 |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 327.3 ± 4.3 | 1400. | TE | Greenbaum, Ko, et al., 1964 | Based on data from 1273. to 1513. K. |
| 359.8 | 1330. | MS | Berkowitz and Marquart, 1962 | Based on data from 1220. to 1450. K. |
Gas phase ion energetics data
Go To: Top, 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 evaluated as indicated in comments:
L - Sharon G. Lias
Data compiled as indicated in comments:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| IE (evaluated) | 13.6 ± 0.3 | eV | N/A | N/A | L |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 13.3 ± 0.3 | EI | Hildenbrand, 1968 | RDSH |
| 14.0 ± 0.5 | EI | Murad, Hildenbrand, et al., 1966 | RDSH |
| 13.5 ± 0.4 | EI | Berkowitz and Marquart, 1962 | RDSH |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| MgF+ | 13.5 ± 1.0 | F | EI | Hildenbrand, 1968 | RDSH |
| MgF+ | 13.7 ± 0.4 | F | EI | Ehlert, Blue, et al., 1964 | RDSH |
| MgF+ | 13.5 ± 0.4 | F | EI | Berkowitz and Marquart, 1962 | RDSH |
Vibrational and/or electronic energy levels
Go To: Top, Phase change 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.
Data compiled by: Marilyn E. Jacox
State: X
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| Πu | 2 | Bend | 254 | w m | Ne | IR | Snelson, 1966 |
| 2 | Bend | 243 | w m | Ar | IR | Snelson, 1966 | |
| 2 | Bend | 238 | w m | Kr | IR | Snelson, 1966 | |
| Σu+ | 3 | Asym. stretch | 862 | s | Ne | IR | Snelson, 1966 |
| 3 | Asym. stretch | 840 | s | Ar | IR | Snelson, 1966 | |
| 3 | Asym. stretch | 834 | m | Kr | IR | Snelson, 1966 | |
Additional references: Jacox, 1994, page 84; Buchler, Stauffer, et al., 1964
Notes
| w | Weak |
| m | Medium |
| s | Strong |
References
Go To: Top, Phase change data, Gas phase ion energetics 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.
Greenbaum, Ko, et al., 1964
Greenbaum, Michael A.; Ko, Hon Chung; Wong, Madeline; Farber, Milton,
The Vapor Pressure and Heat and Entropy of Sublimation of Solid Magnesium Fluoride,
J. Phys. Chem., 1964, 68, 4, 965-968, https://doi.org/10.1021/j100786a510
. [all data]
Berkowitz and Marquart, 1962
Berkowitz, J.; Marquart, J.R.,
Mass-spectrometric study of the magnesium halides,
J. Chem. Phys., 1962, 37, 1853. [all data]
Hildenbrand, 1968
Hildenbrand, D.L.,
Mass-spectrometric studies of bonding in the group IIA fluorides,
J. Chem. Phys., 1968, 48, 3657. [all data]
Murad, Hildenbrand, et al., 1966
Murad, E.; Hildenbrand, D.L.; Main, R.P.,
Dissociation energies of group IIIA monofluorides-the possibility of potential maxima in their excited H states,,
J. Chem. Phys., 1966, 45, 263. [all data]
Ehlert, Blue, et al., 1964
Ehlert, T.C.; Blue, G.D.; Green, J.W.; Margrave, J.L.,
Mass spectrometric studies at high temperatures. IV. Dissociation energies of the alkaline earth monofluorides,
J. Chem. Phys., 1964, 41, 2250. [all data]
Snelson, 1966
Snelson, A.,
Infrared Spectra of Some Alkaline Earth Halides by the Matrix Isolation Technique,
J. Phys. Chem., 1966, 70, 10, 3208, https://doi.org/10.1021/j100882a031
. [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]
Buchler, Stauffer, et al., 1964
Buchler, A.; Stauffer, J.L.; Klemperer, W.,
None,
J. Am. Chem. Soc., 1964, 86, 21, 4544, https://doi.org/10.1021/ja01075a007
. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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