1,1':4',1'':4'',1''':4''',1''''-Quinquephenyl

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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
Tfus645.KN/AVdovtsova and Tsukervanik, 1954Uncertainty assigned by TRC = 6. K; TRC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
10.110659.6Smith, 1979Solid-nematic phase change.; DH

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
15.3659.6Smith, 1979Solid-nematic; DH

Enthalpy of phase transition

ΔHtrs (kcal/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.220688.1liquidliquidSmith, 1979DH

Entropy of phase transition

ΔStrs (cal/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
0.320688.1liquid, Nematicliquid, isotropic phase changeSmith, 1979DH

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:


Gas phase ion energetics 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 by: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference
8.18 ± 0.05EIGallegos, 1967

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.

Vdovtsova and Tsukervanik, 1954
Vdovtsova, E.A.; Tsukervanik, I.P., Condensation of Phenylaluminum Diiodide with Aromatic Halogen Compounds, Zh. Obshch. Khim., 1954, 24, 558. [all data]

Smith, 1979
Smith, G.W., Phase behavior of some linear polyphenyls, Mol. Cryst. Liq. Cryst., 1979, 49, 207-209. [all data]

Gallegos, 1967
Gallegos, E.J., Mass spectrometry of some polyphenyls, J. Phys. Chem., 1967, 71, 1647. [all data]


Notes

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