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

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Phase change data

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible spectrum, 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
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 (kJ/mol) Temperature (K) Reference Comment
42.300659.6Smith, 1979Solid-nematic phase change.; DH

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
64.1659.6Smith, 1979Solid-nematic; DH

Enthalpy of phase transition

ΔHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.922688.1liquidliquidSmith, 1979DH

Entropy of phase transition

ΔStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
1.34688.1liquid, 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

Go To: Top, Phase change data, Mass spectrum (electron ionization), UV/Visible spectrum, References, Notes

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

Mass spectrum (electron ionization)

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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

Spectrum

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Mass spectrum
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Additional Data

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Due to licensing restrictions, this spectrum cannot be downloaded.

Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin LAC, NIDDK, NIH, Bethesda, MD 20892
NIST MS number 214802

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UV/Visible spectrum

Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References, Notes

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

Data compiled by: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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UVVis spectrum
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Additional Data

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Source Clar, 1948
Owner INEP CP RAS, NIST OSRD
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS
Source reference RAS UV No. 10138
State <none>
Instrument n.i.g.

References

Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible spectrum, Notes

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]

Clar, 1948
Clar, E., Chem. Ber., 1948, 81, 52. [all data]


Notes

Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible spectrum, References