zirconium tetrafluoride

• Formula: F₄Zr
• Molecular weight: 167.218
• IUPAC Standard InChI: InChI=1S/4FH.Zr/h4*1H;/p-1 Copy

  
• IUPAC Standard InChIKey: NLGFRLRLBUOAEJ-UHFFFAOYSA-M Copy
• CAS Registry Number: 7783-64-4
• Chemical structure:
  This structure is also available as a 2d Mol file
• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Ion clustering data
  • References
  • Notes
• Data at other public NIST sites:
  • X-ray Photoelectron Spectroscopy Database, version 5.0
  • X-ray Photoelectron Spectroscopy Database, version 5.0
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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.

Gas Phase Heat Capacity (Shomate Equation)

C_p° = 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
    C_p = heat capacity (cal/mol*K)
    H° = standard enthalpy (kcal/mol)
    S° = standard entropy (cal/mol*K)
    t = temperature (K) / 1000.

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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.

Solid Phase Heat Capacity (Shomate Equation)

C_p° = 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
    C_p = heat capacity (cal/mol*K)
    H° = standard enthalpy (kcal/mol)
    S° = standard entropy (cal/mol*K)
    t = temperature (K) / 1000.

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Phase change 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 by: William E. Acree, Jr., James S. Chickos

Reaction 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.

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

 +  = ( • )

By formula: F^- + F₄Zr = (F^- • F₄Zr)

F₅Zr^- +  = F₉Zr₂^-

By formula: F₅Zr^- + F₄Zr = F₉Zr₂^-

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 by: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Appearance energy determinations

Ion clustering 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 by: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

 +  = ( • )

By formula: F^- + F₄Zr = (F^- • F₄Zr)

F₅Zr^- +  = F₉Zr₂^-

By formula: F₅Zr^- + F₄Zr = F₉Zr₂^-

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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]

Murad and Hildenbrand, 1966
Murad, E.; Hildenbrand, D.L., Mass-spectrometric study of the thermodynamic properties of Zr-F species, J. Chem. Phys., 1966, 45, 4751. [all data]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy
  S°gas,1 bar	Entropy of gas at standard conditions (1 bar)
  S°solid	Entropy of solid at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔsubH°	Enthalpy of sublimation at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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