Phenanthrene
- Formula: C14H10
- Molecular weight: 178.2292
- IUPAC Standard InChIKey: YNPNZTXNASCQKK-UHFFFAOYSA-N
- CAS Registry Number: 85-01-8
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Isotopologues:
- Other names: Phenanthren; Phenanthrin; Phenantrin
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Condensed phase thermochemistry data
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, 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:
DRB - Donald R. Burgess, Jr.
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 |
---|---|---|---|---|---|
ΔfH°solid | 110.1 ± 2.2 | kJ/mol | Review | Roux, Temprado, et al., 2008 | There are sufficient high-quality literature values to make a good evaluation with a high degree of confidence. In general, the evaluated uncertainty limits are on the order of (0.5 to 2.5) kJ/mol.; DRB |
ΔfH°solid | 109.8 ± 1.6 | kJ/mol | Ccb | Steele, Chirico, et al., 1990 | Δ Hfusion = 15.96±0.05 kJ/mol; ALS |
ΔfH°solid | 116.1 ± 1.4 | kJ/mol | Ccb | Coleman and Pilcher, 1966 | Author was aware that data differs from previously reported values; ALS |
ΔfH°solid | 113. | kJ/mol | Ccb | Bender and Farber, 1952 | ALS |
ΔfH°solid | 72.8 ± 2.6 | kJ/mol | Ccb | Richardson and Parks, 1939 | High level of uncertainty in the data; Reanalyzed by Cox and Pilcher, 1970, Original value = 70.88 kJ/mol; see Richardson, 1939; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -7040. ± 30. | kJ/mol | AVG | N/A | Average of 7 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
S°solid,1 bar | 215.06 | J/mol*K | N/A | Finke, Messerly, et al., 1977 | DH |
S°solid,1 bar | 211.7 | J/mol*K | N/A | Huffman, Parks, et al., 1931 | Extrapolation below 90 K, 65.19 J/mol*K.; DH |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
220.3 | 298.15 | Steele, Chirico, et al., 1990 | DH |
220.62 | 298.15 | Finke, Messerly, et al., 1977 | T = 10 to 440 K.; DH |
267.4 | 343. | Rastogi and Bassi, 1964 | T = 343, 404 K.; DH |
134.7 | 298.15 | Ueberreiter and Orthmann, 1950 | T = 293 to 368 K. Equation only.; DH |
207.1 | 298.1 | Eibert, 1944 | T = 20 to 200°C, equations only, in t°C. Cp(c) = 0.2003 + 0.00306t cal/g*K (20 to 98°C); Cp(liq) = 0.292 + 0.000923t cal/g*K (98 to 200°C).; DH |
226.4 | 298.1 | Schmidt, 1941 | T = 20 to 200°C, equations only, in t°C. Cp(c) = 0.2440 + 0.002604t - 0.000011t2 cal/g*K (20 to 98°C); Cp(liq) = 0.3328 + 0.0006760t cal/g*K (98 to 200°C).; DH |
233.5 | 297.5 | Huffman, Parks, et al., 1931 | T = 93 to 304 K. Value is unsmoothed experimental datum.; DH |
Reaction thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, 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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: C14H10+ + C14H10 = (C14H10+ • C14H10)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 74.5 | kJ/mol | PHPMS | Meot-Ner (Mautner), 1980 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 120. | J/mol*K | N/A | Meot-Ner (Mautner), 1980 | gas phase; Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
37. | 320. | PHPMS | Meot-Ner (Mautner), 1980 | gas phase; Entropy change calculated or estimated; M |
By formula: C14H11+ + C14H10 = (C14H11+ • C14H10)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 65.7 | kJ/mol | PHPMS | Meot-Ner (Mautner), 1980 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 120. | J/mol*K | N/A | Meot-Ner (Mautner), 1980 | gas phase; Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
28. | 320. | PHPMS | Meot-Ner (Mautner), 1980 | gas phase; Entropy change calculated or estimated; M |
By formula: 7H2 + C14H10 = C14H24
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -565. | kJ/mol | Eqk | Frye, 1962 | gas phase; ALS |
By formula: 2H2 + C14H10 = C14H14
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -130. | kJ/mol | Eqk | Frye, 1962 | gas phase; ALS |
By formula: 4H2 + C14H10 = C14H18
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -250. | kJ/mol | Eqk | Frye, 1962 | gas phase; ALS |
By formula: H2 + C14H10 = C14H12
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -50. | kJ/mol | Eqk | Frye, 1962 | gas phase; ALS |
Gas phase ion energetics data
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias
Data compiled as indicated in comments:
MM - Michael M. Meot-Ner (Mautner)
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
View reactions leading to C14H10+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 7.891 ± 0.001 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 825.7 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 795.0 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
-0.01 ± 0.040 | LPES | Tschurl, Boesl, et al., 2006 | Extrapolated from EAs of (H2O)n..phenanthrene-.; B |
<0.269 ± 0.035 | ECD | Wojnarovits and Foldiak, 1981 | EA is an upper limit: Chen and Wentworth, 1989. G3MP2B3 calculations indicate an EA of ca. -0.05 eV, unbound anion; B |
0.3070 ± 0.0070 | ECD | Becker and Chen, 1966 | B |
0.2 | ECD | Wentworth and Becker, 1962 | B |
Proton affinity at 298K
Proton affinity (kJ/mol) | Reference | Comment |
---|---|---|
820.1 | Aue, Guidoni, et al., 2000 | Experimental literature data re-evaluated by the authors using ab initio protonation entropies; MM |
Gas basicity at 298K
Gas basicity (review) (kJ/mol) | Reference | Comment |
---|---|---|
793.7 | Aue, Guidoni, et al., 2000 | Experimental literature data re-evaluated by the authors using ab initio protonation entropies; MM |
Ionization energy determinations
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C6H4+ | 29. ± 1. | ? | EI | Nounou, 1968 | RDSH |
C9H7+ | 23.9 ± 0.2 | ? | EI | Nounou, 1968 | RDSH |
C10H6+ | 20.8 ± 0.3 | 2C2H2 | EI | Nounou, 1968 | RDSH |
C10H6+ | 20.9 ± 0.3 | 2C2H2 | EI | Natalis and Franklin, 1965 | RDSH |
C11H7+ | 21.1 ± 0.2 | ? | EI | Nounou, 1968 | RDSH |
C11H7+ | 21.1 ± 0.3 | ? | EI | Natalis and Franklin, 1965 | RDSH |
C12H7+ | 18.8 ± 0.1 | ? | EI | Nounou, 1968 | RDSH |
C12H7+ | 19.63 ± 0.05 | ? | EI | Natalis and Franklin, 1965 | RDSH |
C12H8+ | 11.23 | C2H2 | EVAL | Gotkis, Oleinikova, et al., 1993 | T = 0K; LL |
C12H8+ | 14.46 | C2H2 | TRPI | Gotkis, Oleinikova, et al., 1993 | LL |
C12H8+ | 15.7 ± 0.2 | ? | EI | Nounou, 1968 | RDSH |
C12H8+ | 16.63 ± 0.05 | ? | EI | Natalis and Franklin, 1965 | RDSH |
C13H7+ | 20.0 ± 0.3 | ? | EI | Nounou, 1968 | RDSH |
C14H7+ | 18.2 ± 0.2 | H2+H | EI | Nounou, 1968 | RDSH |
C14H8+ | 16.2 ± 0.2 | H2 | EI | Nounou, 1968 | RDSH |
C14H8+ | 18.6 ± 0.1 | H2 | EI | Natalis and Franklin, 1965 | RDSH |
C14H9+ | 11.99 | H | EVAL | Gotkis, Oleinikova, et al., 1993 | T = 0K; LL |
C14H9+ | 14.88 | H | TRPI | Gotkis, Oleinikova, et al., 1993 | LL |
C14H9+ | 15.5 ± 0.1 | H | EI | Nounou, 1968 | RDSH |
C14H9+ | 16.3 ± 0.1 | H | EI | Natalis and Franklin, 1965 | RDSH |
References
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry 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.
Roux, Temprado, et al., 2008
Roux, M.V.; Temprado, M.; Chickos, J.S.; Nagano, Y.,
Critically Evaluated Thermochemical Properties of Polycyclic Aromatic Hydrocarbons,
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Determination of ideal-gas enthalpies of formation for key compounds,
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Coleman and Pilcher, 1966
Coleman, D.J.; Pilcher, G.,
Heats of combustion of biphenyl, bibenzyl, naphthalene, anthracene, and phenanthrene,
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Bender and Farber, 1952
Bender, P.; Farber, J.,
The heats of combustion of anthracene transannular peroxide and dianthracene,
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Richardson and Parks, 1939
Richardson, J.W.; Parks, G.S.,
Thermal data on organic compounds. XIX. Modern combustion data for some non-volatile compounds containing carbon, hydrogen and oxygen,
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Cox and Pilcher, 1970
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Richardson, 1939
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Precise determination of the heats of combustion of some representative organic compounds, Ph.D. Thesis for Standford University, 1939, 1-122. [all data]
Finke, Messerly, et al., 1977
Finke, H.L.; Messerly, J.F.; Lee, S.H.; Osborn, A.G.; Douslin, D.R.,
Comprehensive thermodynamic studies of seven aromatic hydrocarbons,
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Thermal data on organic compounds. X. Further studies on the heat capacities, entropies and free energies of hydrocarbons,
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Rastogi and Bassi, 1964
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Mechanism of eutectic crystallization,
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Ueberreiter and Orthmann, 1950
Ueberreiter, K.; Orthmann, H.-J.,
Specifische Wärme, spezifisches Volumen, Temperatur- und Wärme-leittähigkeit einiger disubstituierter Benzole und polycyclischer Systeme,
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Eibert, 1944
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Thesis Washington University (St. Louis), 1944. [all data]
Schmidt, 1941
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Thesis Washington University (St. Louis), 1941. [all data]
Meot-Ner (Mautner), 1980
Meot-Ner (Mautner), M.,
Dimer Cations of Polycyclic Aromatics: Experimental Bonding Energies and Resonance Stabilization,
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Equilibria in the hydrogenation of polycyclic aromatics,
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Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
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Tschurl, Boesl, et al., 2006
Tschurl, M.; Boesl, U.; Gilb, S.,
The electron affinity of phenanthrene,
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Electron capture detection of aromatic hydrocarbons,
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Experimental Determination of Electron Affinities of Organic Molecules,
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Becker and Chen, 1966
Becker, R.S.; Chen, E.,
Extension of Electron Affinities and Ionization Potentials of Aromatic Hydrocarbons,
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Wentworth and Becker, 1962
Wentworth, W.E.; Becker, R.S.,
Potential Method for the Determination of Electron Affinities of Molecules: Application to Some Aromatic Hydrocarbons.,
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Aue, Guidoni, et al., 2000
Aue, D.H.; Guidoni, M.; Betowski, L.D.,
Ab initio calculated gas-phase basicities of polynuclear aromatic hydrocarbons,
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Thantu and Weber, 1993
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Dependence of two-photon ionization photoelectron spectra on laser coherence band width,
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Gotkis, Oleinikova, et al., 1993
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Time-independent mass spectra and breakdown graphs. 17. Naphthalene and phenanthrene,
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Hager and Wallace, 1988
Hager, J.W.; Wallace, S.C.,
Two-laser photoionization supersonic jet mass spectrometry of aromatic molecules,
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Mautner(Meot-Ner), 1980
Mautner(Meot-Ner), M.,
Ion thermochemistry of low volatility compounds in the gas phase. 3. Polycyclic aromatics: Ionization energies, proton, and hydrogen affinities. Extrapolations to graphite,
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Clar and Schmidt, 1979
Clar, E.; Schmidt, W.,
Correlations between photoelectron and UV absorption spectra of polycyclic hydrocarbons. The pyrene series,
Tetrahedron, 1979, 35, 1027. [all data]
Eland, 1972
Eland, J.H.D.,
Photoelectron spectra and ionization potentials of aromatic hydrocarbons,
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Boschi, Murrell, et al., 1972
Boschi, R.; Murrell, J.N.; Schmidt, W.,
Photoelectron spectra of polycyclic aromatic hydrocarbons,
Faraday Discuss. Chem. Soc., 1972, 54, 116. [all data]
Rowland, 1971
Rowland, C.G.,
Kinetic energy distributions of C12H8 fragment ions in the mass spectra of anthracene, phenanthrene and diphenylacetylene,
Intern. J. Mass Spectrom. Ion Phys., 1971, 7, 79. [all data]
Dewar, Haselbach, et al., 1970
Dewar, M.J.S.; Haselbach, E.; Worley, S.D.,
Calculated and observed ionization potentials of unsaturated polycyclic hydrocarbons; calculated heats of formation by several semiempirical s.c.f. m.o. methods,
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Mukherjee, 1969
Mukherjee, T.K.,
Charge-transfer donor abilities of o,o'bridged biphenyls,
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Kitagawa, 1968
Kitagawa, T.,
Absorption spectra and photoionization of polycyclic aromatics in vacuum ultraviolet region,
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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,
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Natalis and Franklin, 1965
Natalis, P.; Franklin, J.L.,
Ionization and dissociation of diphenyl and condensed ring aromatics by electron impact. I. Biphenyl, diphenylacetylene, and phenanthrene,
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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,
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Kuroda, 1964
Kuroda, H.,
Ionization potentials of polycyclic aromatic hydrocarbons,
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Briegleb, 1964
Briegleb, G.,
Electron affinity of organic molecules,
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Kinoshita, 1962
Kinoshita, M.,
The absorption spectra of the molecular complexes of aromatic compounds with p-bromanil,
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Mesomeriemomente und Elektronenuberfuhrungsbanden von Elektronen-donator-akzeptor-komplexen des Chloranils und Tetracyanathylens mit aromatischen Kohlenwasserstoffen,
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π-Electronic excitation and ionization energies of condensed ring aromatic hydrocarbons,
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Wacks and Dibeler, 1959
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Electron impact studies of aromatic hydrocarbons. I. Benzene, naphthalene, anthracene, and phenanthrene,
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Die Bestimmung von lonisierungsenergien aus den Spektren von Elektronenubergangskomplexen,
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Matsen, 1956
Matsen, F.A.,
Electron affinities, methyl affinities, and ionization energies of condensed ring aromatic hydrocarbons,
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Photoelectron spectroscopy of J. Heterocycl. Chem.. Fluorene analogues,
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Schmidt, W.,
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Clar, E.; Schmidt, W.,
Correlations between photoelectron and phosphorescence spectra of polycyclic hydrocarbons,
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Hush, Cheung, et al., 1975
Hush, N.S.; Cheung, A.S.; Hilton, P.R.,
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Notes
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy Cp,solid Constant pressure heat capacity of solid EA Electron affinity IE (evaluated) Recommended ionization energy S°solid,1 bar Entropy of solid at standard conditions (1 bar) T Temperature ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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