Beryllium monofluoride


Gas phase thermochemistry data

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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-169.87kJ/molReviewChase, 1998Data last reviewed in December, 1971
Quantity Value Units Method Reference Comment
gas,1 bar205.75J/mol*KReviewChase, 1998Data last reviewed in December, 1971

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 (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 298. to 1100.1100. to 6000.
A 19.3703336.58075
B 37.491020.952178
C -30.14451-0.173111
D 8.9126740.017222
E 0.157015-1.596682
F -176.5363-184.9968
G 220.1592243.8013
H -169.8700-169.8700
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in December, 1971 Data last reviewed in December, 1971

Gas phase ion energetics data

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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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to BeF+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
9.3 ± 1.0EIFarber and Srivastava, 1974LLK
9.1 ± 0.5EIHildenbrand and Murad, 1966RDSH

References

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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]

Farber and Srivastava, 1974
Farber, M.; Srivastava, R.D., Dissociation energies of BeF and BeCl and the heat of formation of BeClF, J. Chem. Soc. Faraday Trans. 1, 1974, 70, 1581. [all data]

Hildenbrand and Murad, 1966
Hildenbrand, D.L.; Murad, E., Mass-spectrometric determination of the dissociation energy of beryllium monofluoride, J. Chem. Phys., 1966, 44, 1524. [all data]


Notes

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