2,2'-Difluorobiphenyl

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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δsub95.0 ± 4.2kJ/molVSmith, Gorin, et al., 1964Corrected for CODATA value of ΔfH; ALS
Δsub95. ± 4.2kJ/molMESmith, Gorin, et al., 1964Based on data from 301. to 318. K. See also Cox and Pilcher, 1970.; AC

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Reference Comment
95.1310.Stephenson and Malanowski, 1987Based on data from 301. to 319. K. See also Smith, Gorin, et al., 1964.; AC

Gas Chromatography

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryPB-11330.Andersson and Weis, 199450. m/0.32 mm/0.2 μm, H2, 80. C @ 2. min, 4. K/min, 270. C @ 5. min
CapillaryDB-51333.Andersson and Weis, 199430. m/0.32 mm/0.25 μm, H2, 80. C @ 2. min, 4. K/min, 270. C @ 5. min

Lee's RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryPB-1229.19Andersson and Weis, 199450. m/0.32 mm/0.2 μm, H2, 80. C @ 2. min, 4. K/min, 270. C @ 5. min
CapillaryDB-5229.47Andersson and Weis, 199430. m/0.32 mm/0.25 μm, H2, 80. C @ 2. min, 4. K/min, 270. C @ 5. min

Lee's RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-Wax226.78Andersson and Weis, 199430. m/0.2 mm/0.15 μm, H2, 80. C @ 2. min, 4. K/min, 270. C @ 5. min

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Smith, Gorin, et al., 1964
Smith, N.K.; Gorin, G.; Good, W.D.; McCullough, J.P., The heats of combustion, sublimation, and formation of four dihalobiphenyls, J. Phys. Chem., 1964, 68, 940-946. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Andersson and Weis, 1994
Andersson, J.T.; Weis, U., Gas Chromatographic Determination of Polycyclic Aromatic Compounds with Fluorinated Analogues as Internal Standards, J. Chromatogr. A, 1994, 659, 1, 151-161, https://doi.org/10.1016/0021-9673(94)85017-8 . [all data]


Notes

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