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tetrahexylammonium perchlorate

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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tfus383.KN/ACoker, Ambrose, et al., 1970Crystal phase 1 phase; Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Ttriple379.22KN/AAndrews and Gordon, 1973Crystal phase 1 phase; Uncertainty assigned by TRC = 0.01 K; TRC

Enthalpy of phase transition

DeltaHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
22.990333.57crystaline, IVcrystaline, IIIAndrews and Gordon, 1973, 2DH
5.839355.91crystaline, IIIcrystaline, IIAndrews and Gordon, 1973, 2DH
2.658367.51crystaline, IIcrystaline, IAndrews and Gordon, 1973, 2DH
16.350379.18crystaline, IliquidAndrews and Gordon, 1973, 2DH

Entropy of phase transition

DeltaStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
68.9333.57crystaline, IVcrystaline, IIIAndrews and Gordon, 1973, 2DH
16.4355.91crystaline, IIIcrystaline, IIAndrews and Gordon, 1973, 2DH
7.2367.51crystaline, IIcrystaline, IAndrews and Gordon, 1973, 2DH
43.1379.18crystaline, IliquidAndrews and Gordon, 1973, 2DH

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.

Coker, Ambrose, et al., 1970
Coker, T.G.; Ambrose, J.; Janz, G.J., Fusion properties of some ionic quaternary ammonium compounds., J. Am. Chem. Soc., 1970, 92, 5293. [all data]

Andrews and Gordon, 1973
Andrews, J.T.S.; Gordon, J.E., Adiabatic calorimetry of organic salts tetra-n-hexylammonium perchlorate, J. Chem. Soc. Faraday Trans. 1, 1973, 69, 546. [all data]

Andrews and Gordon, 1973, 2
Andrews, J.T.S.; Gordon, J.E., Adiabatic calorimetry of organic salts. Tetra-n-hexylammonium perchlorate, J. Chem. Soc. Faraday Trans., 1973, I 69, 546-554. [all data]


Notes

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