Germanium difluoride

Data at NIST subscription sites:

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, 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

Quantity Value Units Method Reference Comment
Tfus385.KN/AAdams, Margrave, et al., 1971Uncertainty assigned by TRC = 1.5 K; TRC
Tfus385.KN/AAdams, Margrave, et al., 1970Uncertainty assigned by TRC = 3. K; TRC
Quantity Value Units Method Reference Comment
Δsub82.8 ± 4.2kJ/molMSAdams, Margrave, et al., 1971AC
Δsub93. ± 11.kJ/molN/AAdams, Margrave, et al., 1971AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
9.25(corrected to 298.K)Adams, Margrave, et al., 1971AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


References

Go To: Top, Phase change 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]


Notes

Go To: Top, Phase change data, References