Triphenylmethyl chloride

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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.

Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfsolid43.7kcal/molCcbSchmidlin, 1906ALS
Quantity Value Units Method Reference Comment
Δcsolid-2348.5kcal/molCcbSchmidlin, 1906ALS

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
87.780298.15Naoki, Seki, et al., 1991T = 232 to 411 K. Cp value calculated from equation. Cp(c) = -3980 + 55.15T - 0.2726T2 + 6.07x10-4T3 - 5.0x10-7T4 J/mol*K (232.8 to 359.0 K).; DH
74.50298.5Smith and Andrews, 1931T = 102 to 346 K. Value is unsmoothed experimental datum.; DH

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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tfus381.KN/ASmith and Andrews, 1931, 2Uncertainty assigned by TRC = 4. K; m.p. by Hg thermometer; TRC
Tfus382.4KN/ASmith and Andrews, 1931, 2Uncertainty assigned by TRC = 0.5 K; m.p. b thermocouple; TRC

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference Comment
505.70.026Weast and Grasselli, 1989BS

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
6.6683376.8Naoki, Seki, et al., 1991DH
6.67376.8Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
17.7376.8Naoki, Seki, et al., 1991DH

Temperature of phase transition

Ttrs (K) Initial Phase Final Phase Reference Comment
250.crystalineglassNaoki, Seki, et al., 1991DH

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

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

Schmidlin, 1906
Schmidlin, M.J., Recherches chimiques et thermochimiques sur la constitution des rosanilines, Ann. Chim. Phys., 1906, 1, 195-256. [all data]

Naoki, Seki, et al., 1991
Naoki, M.; Seki, M.; Kugo, H.; Saito, F.; Taioka, T., Dielectric relaxation in supercooled triphenylchloromethane and intrinsic factor determining mobility in molecular liquids, J. Phys. Chem., 1991, 95(14), 5628-5633. [all data]

Smith and Andrews, 1931
Smith, R.H.; Andrews, D.H., Thermal energy studies. I. Phenyl derivatives of methane, ethane and some related compounds. J. Am. Chem. Soc., 1931, 53, 3644-3660. [all data]

Smith and Andrews, 1931, 2
Smith, R.H.; Andrews, D.H., Thermal Energy Studies I. Phenyl Derivatives of Methane, Ethane and Some Related Compounds, J. Am. Chem. Soc., 1931, 53, 3644. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]


Notes

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