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Tungsten pentabromide


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
Deltafgas-199.16kJ/molReviewChase, 1998Data last reviewed in June, 1967
Quantity Value Units Method Reference Comment
gas,1 bar461.47J/mol*KReviewChase, 1998Data last reviewed in June, 1967

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) 1000. - 6000.
A 132.0780
B 0.380912
C 0.583308
D -0.080716
E -0.434898
F -240.0126
G 618.7216
H -199.1584
ReferenceChase, 1998
Comment Data last reviewed in June, 1967

Condensed 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
Deltafliquid-298.06kJ/molReviewChase, 1998Data last reviewed in June, 1967
Quantity Value Units Method Reference Comment
liquid,1 bar293.34J/mol*KReviewChase, 1998Data last reviewed in June, 1967
Quantity Value Units Method Reference Comment
Deltafsolid-311.71kJ/molReviewChase, 1998Data last reviewed in June, 1967
Quantity Value Units Method Reference Comment
solid271.95J/mol*KReviewChase, 1998Data last reviewed in June, 1967

Liquid 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) 559. - 1000.
A 182.0040
B 0.000000
C 0.000000
D 0.000000
E 0.000000
F -352.3238
G 513.5944
H -298.0594
ReferenceChase, 1998
Comment Data last reviewed in June, 1967

Solid 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. - 559.
A 119.7394
B 122.0711
C -27.88958
D 11.90114
E 0.132360
F -352.1719
G 382.3385
H -311.7084
ReferenceChase, 1998
Comment Data last reviewed in June, 1967

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

Ionization energy determinations

IE (eV) Method Reference Comment
8.3 ± 0.2EIKaposi, Popovic, et al., 1977LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
BrW+20.9 ± 0.34BrEIKaposi, Popovic, et al., 1977LLK
Br2W+16.6 ± 0.23BrEIKaposi, Popovic, et al., 1977LLK
Br3W+13.4 ± 0.22BrEIKaposi, Popovic, et al., 1977LLK
Br4W+10.0 ± 0.2BrEIKaposi, Popovic, et al., 1977LLK
W+25.0 ± 0.35BrEIKaposi, Popovic, et al., 1977LLK

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, NIST Free Links, 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]

Kaposi, Popovic, et al., 1977
Kaposi, O.; Popovic, A.; Marsel, J., Mass spectrometric studies of tungsten bromides and oxybromides, J. Inorg. Nucl. Chem., 1977, 39, 1809. [all data]


Notes

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