Germanium difluoride

• Formula: F₂Ge
• Molecular weight: 110.64
• IUPAC Standard InChI: InChI=1S/F2Ge/c1-3-2 Copy

  
• IUPAC Standard InChIKey: GGJOARIBACGTDV-UHFFFAOYSA-N Copy
• CAS Registry Number: 13940-63-1
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Vibrational and/or electronic energy levels
• Data at other public NIST sites:
  • Microwave spectra (on physics lab web site)
  • X-ray Photoelectron Spectroscopy Database, version 5.0
• Options:
  • Switch to calorie-based units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Phase change 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.

Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of fusion

Gas phase ion energetics data

Go To: Top, 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 as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess

View reactions leading to F₂Ge⁺ (ion structure unspecified)

Electron affinity determinations

Ionization energy determinations

Appearance energy determinations

References

Go To: Top, Phase change 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.

Adams, Margrave, et al., 1971
Adams, G.P.; Margrave, J.L.; Steiger, Ronald P.; Wilson, P.W., The enthalpy of sublimation of germanium difluoride and the thermodynamics of sublimation of the Group IVa difluorides, The Journal of Chemical Thermodynamics, 1971, 3, 3, 297-305, https://doi.org/10.1016/S0021-9614(71)80046-0 . [all data]

Adams, Margrave, et al., 1970
Adams, G.P.; Margrave, J.L.; Wilson, P.W., The Enthalpy of Formation of Germanium Difluoride, J. Chem. Thermodyn., 1970, 2, 741-4. [all data]

Harland, Cradock, et al., 1972
Harland, P.W.; Cradock, S.; Thynne, J.C.J., Positive- and negative-ion formation due to the electron bombardment of germanium tetrafluoride, Int. J. Mass Spectrom. Ion Phys., 1972, 10, 169. [all data]

Adams, Margrave, et al., 1971, 2
Adams, G.P.; Margrave, J.L.; Steiger, R.P.; Wilson, P.W., The enthalpy of sublimation of germanium difluoride and the thermodynamics of sublimation of the Group IVa difluorides, J. Chem. Thermodyn., 1971, 3, 297. [all data]

Zmbov, Hastie, et al., 1968
Zmbov, K.F.; Hastie, J.W.; Hauge, R.; Margrave, J.L., Formation of polymeric (GeF₂)_n in the vapor phase over GeF₂, Inorg. Chem., 1968, 7, 608. [all data]

Jonkers, Van Der Kerk, et al., 1982
Jonkers, G.; Van Der Kerk, S.M.; Mooyman, R.; De Lange, C.A., UV photoelectron spectroscopy of transient species: Germanium difluoride (GeF₂), Chem. Phys. Lett., 1982, 90, 252. [all data]

Notes

Go To: Top, Phase change data, Gas phase ion energetics data, References

• Symbols used in this document:
  

  AE	Appearance energy
  EA	Electron affinity
  Tfus	Fusion (melting) point
  ΔfusH	Enthalpy of fusion
  ΔsubH°	Enthalpy of sublimation at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.