Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

zirconium tetrafluoride


Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry 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
Deltafgas-1673.60kJ/molReviewChase, 1998Data last reviewed in June, 1975
Quantity Value Units Method Reference Comment
gas,1 bar319.39J/mol*KReviewChase, 1998Data last reviewed in June, 1975

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.

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

View table.

Temperature (K) 298. - 6000.
A 104.4167
B 3.106352
C -0.837700
D 0.071272
E -1.639702
F -1710.361
G 435.6381
H -1673.600
ReferenceChase, 1998
Comment Data last reviewed in June, 1975

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry 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
Deltafsolid-1911.25kJ/molReviewChase, 1998Data last reviewed in June, 1975
Quantity Value Units Method Reference Comment
solid104.66J/mol*KReviewChase, 1998Data last reviewed in June, 1975

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.

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

View table.

Temperature (K) 298. - 1400.
A 107.7292
B 47.06080
C -28.78115
D 9.510233
E -1.414556
F -1949.987
G 214.2405
H -1911.251
ReferenceChase, 1998
Comment Data last reviewed in June, 1975

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction 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: William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Deltasub240. ± 7.kJ/molAVGN/AAverage of 7 values; Individual data points

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

Fluorine anion + zirconium tetrafluoride = (Fluorine anion bullet zirconium tetrafluoride)

By formula: F- + F4Zr = (F- bullet F4Zr)

Quantity Value Units Method Reference Comment
Deltar415. ± 8.4kJ/molTDEqSkokan, Sorokin, et al., 1982gas phase; Fluoride Affinity: 22±1 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention
Deltar403. ± 4.2kJ/molTDEqSkokan, Nikitin, et al., 1981gas phase; Fluoride Affinity: 23.12 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention

F5Zr- + zirconium tetrafluoride = F9Zr2-

By formula: F5Zr- + F4Zr = F9Zr2-

Quantity Value Units Method Reference Comment
Deltar214. ± 4.2kJ/molTDAsSkokan, Sorokin, et al., 1982gas phase; value altered from reference due to conversion from electron convention to ion convention

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry 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]

Skokan, Sorokin, et al., 1982
Skokan, E.V.; Sorokin, I.D.; Sidorov, L.N.; Nikitin, M.I., Mass Spectrometric Determination of the Enthalpies of Dissociation of Gaseous Complex Fluorides into Neutral and Charged Particles. VI. Enthalpy of Formation of ZrF5-, Int. J. Mass Spectrom. Ion Phys., 1982, 43, 4, 209, https://doi.org/10.1016/0020-7381(82)80017-X . [all data]

Skokan, Nikitin, et al., 1981
Skokan, E.V.; Nikitin, M.I.; Sorokin, I.D.; Gusarov, A.V.; Sidirov, L.N., Determination of the heat of formation of the tetrafluoroscandate and pentfluorozirconate ions by the effusion nethod, Russ. J. Phys. Chem., 1981, 55, 1062. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, References