Phenanthrene, 4-methyl-

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Gas 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas195.8 ± 1.1kJ/molCcrChirico, Hossenlopp, et al., 1989Hfusion=14.04 kJ/mol

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
Δfsolid102.42 ± 0.67kJ/molCcrChirico, Hossenlopp, et al., 1989Hfusion=14.04 kJ/mol; ALS
Quantity Value Units Method Reference Comment
Δcsolid-7720.05 ± 0.56kJ/molCcrChirico, Hossenlopp, et al., 1989Hfusion=14.04 kJ/mol; Corresponding Δfsolid = 102.42 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
solid,1 bar244.55J/mol*KN/AChirico, Hossenlopp, et al., 1989DH
solid,1 bar244.55J/mol*KN/AChirico, Hossenlopp, et al., 1988DH

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
263.13298.15Chirico, Hossenlopp, et al., 1989T = 10 to 500 K. Value is a graphical extrapolation.; DH
263.13298.15Chirico, Hossenlopp, et al., 1988T = 10 to 500 K. Value is a graphical extrapolation.; 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DRB - Donald R. Burgess, Jr.
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Ttriple324.920KN/AChirico, Hossenlopp, et al., 1989, 2Crystal phase 1 phase; Uncertainty assigned by TRC = 0.01 K; TRC
Quantity Value Units Method Reference Comment
Δsub93.4kJ/molN/AChirico, Hossenlopp, et al., 1989DRB

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
74.4 ± 0.2380.EB,IPChirico, Hossenlopp, et al., 1989Based on data from 368. to 647. K.; AC
71.8 ± 0.1420.EB,IPChirico, Hossenlopp, et al., 1989Based on data from 368. to 647. K.; AC
69.2 ± 0.1460.EB,IPChirico, Hossenlopp, et al., 1989Based on data from 368. to 647. K.; AC
66.7 ± 0.1500.EB,IPChirico, Hossenlopp, et al., 1989Based on data from 368. to 647. K.; AC
64.2 ± 0.1540.EB,IPChirico, Hossenlopp, et al., 1989Based on data from 368. to 647. K.; AC
61.6 ± 0.1580.EB,IPChirico, Hossenlopp, et al., 1989Based on data from 368. to 647. K.; AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
14.04324.9Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
0.12182.Domalski and Hearing, 1996CAL
0.11295.
43.21324.9

Enthalpy of phase transition

ΔHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.0224182.0crystaline, IIIcrystaline, IIChirico, Hossenlopp, et al., 1989Extrapolated value.; DH
0.0333295.0crystaline, IIcrystaline, IChirico, Hossenlopp, et al., 1989Extrapolated value.; DH
14.039324.925crystaline, IliquidChirico, Hossenlopp, et al., 1989DH
0.0224182.0crystaline, IIIcrystaline, IIChirico, Hossenlopp, et al., 1988Extrapolated value.; DH
0.0333295.crystaline, IIcrystaline, IChirico, Hossenlopp, et al., 1988Extrapolated value.; DH
14.039324.925crystaline, IliquidChirico, Hossenlopp, et al., 1988DH

Entropy of phase transition

ΔStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
0.12182.0crystaline, IIIcrystaline, IIChirico, Hossenlopp, et al., 1989Extrapolated; DH
0.11295.0crystaline, IIcrystaline, IChirico, Hossenlopp, et al., 1989Extrapolated; DH
43.21324.925crystaline, IliquidChirico, Hossenlopp, et al., 1989DH
0.12182.0crystaline, IIIcrystaline, IIChirico, Hossenlopp, et al., 1988Extrapolated; DH
0.11295.crystaline, IIcrystaline, IChirico, Hossenlopp, et al., 1988Extrapolated; DH
43.21324.925crystaline, IliquidChirico, Hossenlopp, et al., 1988DH

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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference Comment
7.1 ± 0.1EIDougherty, Bertorello, et al., 1971LLK
7.70 ± 0.02EINounou, 1966RDSH
7.70 ± 0.02EIBonnier, Gelus, et al., 1965RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C13H9+12.7 ± 0.1C2H3EIDougherty, Bertorello, et al., 1971LLK
C15H9+14.4 ± 0.1H2+HEIDougherty, Bertorello, et al., 1971LLK
C15H11+12.0 ± 0.1HEIDougherty, Bertorello, et al., 1971LLK
C15H11+12.2 ± 0.2HEINounou, 1966RDSH

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Notes

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

Chirico, Hossenlopp, et al., 1989
Chirico, R.D.; Hossenlopp, I.A.; Nguyen, A.; Steele, W.V.; Gammon, B.E., The thermodynamic properties of 4-methylphenanthrene, J. Chem. Thermodyn., 1989, 21, 179-201. [all data]

Chirico, Hossenlopp, et al., 1988
Chirico, R.D.; Hossenlopp, I.A.; Nguyen, A.; Steele, W.V., The thermodynamic properties of 4-methylphenanthrene, NIPER Report, 1988, 345, 42p. [all data]

Chirico, Hossenlopp, et al., 1989, 2
Chirico, R.D.; Hossenlopp, I.A.; Nguyen, A.; Steele, W.V.; Gammon, B.E., The thermodynamic properties of 4-methylphenanthrene, J. Chem. Thermodyn., 1989, 21, 179. [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]

Dougherty, Bertorello, et al., 1971
Dougherty, R.C.; Bertorello, H.E.; Martinez de Bertorello, M., Mass spectra and thermochemistry of methyl phenanthrenes. A contribution to the analogy between mass spectral and thermal fragmentation reactions, Org. Mass Spectrom., 1971, 5, 1321. [all data]

Nounou, 1966
Nounou, P., Etude des composes aromatiques par spectrometrie de masse. I. Mesure des potentials d'ionisation et d'apparition par la methode du potential retardateur et interpretation des courbes d'ionisation differentielle, J. Chim. Phys., 1966, 63, 994. [all data]

Bonnier, Gelus, et al., 1965
Bonnier, J.-M.; Gelus, M.; Nounou, P., Contribution a l'etude de l'effet inductif et de l'effet d'hyperconjugaison dans quelques methylaromatiques, J. Chim. Phys., 1965, 10, 1191. [all data]


Notes

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