Magnesium monofluoride


Gas phase thermochemistry 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.

Quantity Value Units Method Reference Comment
Δfgas-56.599kcal/molReviewChase, 1998Data last reviewed in June, 1976
Quantity Value Units Method Reference Comment
gas,1 bar52.832cal/mol*KReviewChase, 1998Data last reviewed in June, 1976

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.

View plot Requires a JavaScript / HTML 5 canvas capable browser.

View table.

Temperature (K) 298. to 6000.
A 8.627720
B 0.403888
C -0.092167
D 0.009799
E -0.088473
F -59.48599
G 62.65911
H -56.60000
ReferenceChase, 1998
Comment Data last reviewed in June, 1976

Gas phase ion energetics data

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 as indicated in comments:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to FMg+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
7.5 ± 0.5EIHildenbrand, 1968RDSH
~7.68SBarrow and Beale, 1967RDSH
8.0 ± 0.5EIMurad, Hildenbrand, et al., 1966RDSH
7.8 ± 0.3EIEhlert, Blue, et al., 1964RDSH

References

Go To: Top, Gas 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]

Hildenbrand, 1968
Hildenbrand, D.L., Mass-spectrometric studies of bonding in the group IIA fluorides, J. Chem. Phys., 1968, 48, 3657. [all data]

Barrow and Beale, 1967
Barrow, R.F.; Beale, J.R., Rotational analysis of electronic bands of gaseous MgF, Proc. Phys. Soc. (London), 1967, 91, 483. [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]


Notes

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References