Indene
- Formula: C9H8
- Molecular weight: 116.1598
- IUPAC Standard InChIKey: YBYIRNPNPLQARY-UHFFFAOYSA-N
- CAS Registry Number: 95-13-6
- 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. - Other names: 1H-Indene
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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 as indicated in comments:
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 38.53 ± 0.55 | kcal/mol | Review | Roux, Temprado, et al., 2008 | There are sufficient literature values to make a qualified recommendation where the suggested value is in good agreement with values predicted using thermochemical cycles or from reliable estimates. In general, the evaluated uncertainty limits are on the order of (2 to 4) kJ/mol.; DRB |
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
24.106 | 250. | Klots T.D., 1995 | Recommended S(T) and Cp(T) values are based on experimental assignment of vibrational spectra and they agree within 1.2 J/mol*K with values calculated using statistical mechanics and the vibrational frequencies estimated from force field approximation for polycyclic aromatic hydrocarbons [ Dorofeeva O.V., 1986].; GT |
29.431 | 298.15 | ||
29.630 | 300. | ||
35.074 | 350. | ||
40.182 | 400. | ||
44.871 | 450. | ||
49.065 | 500. | ||
52.839 | 550. | ||
56.197 | 600. | ||
59.218 | 650. | ||
61.922 | 700. |
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:
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°liquid | 26.43 ± 0.43 | kcal/mol | Review | Roux, Temprado, et al., 2008 | There are sufficient literature values to make a qualified recommendation where the suggested value is in good agreement with values predicted using thermochemical cycles or from reliable estimates. In general, the evaluated uncertainty limits are on the order of (2 to 4) kJ/mol.; DRB |
ΔfH°liquid | 26.4 ± 0.3 | kcal/mol | Ccb | Stull, Sinke, et al., 1961 | see Stull, Sinke, et al., 1959; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -1146.15 ± 0.30 | kcal/mol | Ccb | Stull, Sinke, et al., 1961 | see Stull, Sinke, et al., 1959; Corresponding ΔfHºliquid = 26.43 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 51.190 | cal/mol*K | N/A | Stull, Sinke, et al., 1961 | DH |
S°liquid | 51.470 | cal/mol*K | N/A | Stull, Sinke, et al., 1959, 2 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
44.680 | 298.15 | Stull, Sinke, et al., 1961 | T = 15 to 320 K.; DH |
44.680 | 298.15 | Stull, Sinke, et al., 1959, 2 | T = 15 to 320 K.; 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 454. ± 4. | K | AVG | N/A | Average of 11 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 271.4 | K | N/A | Kravchenko and Pastukhova, 1953 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 270.48 | K | N/A | Anonymous, 1943 | Uncertainty assigned by TRC = 0.3 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 271.70 | K | N/A | Stull, Sinke, et al., 1959, 3 | Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 12.1 ± 0.36 | kcal/mol | Review | Roux, Temprado, et al., 2008 | There are sufficient literature values to make a qualified recommendation where the suggested value is in good agreement with values predicted using thermochemical cycles or from reliable estimates. In general, the evaluated uncertainty limits are on the order of (2 to 4) kJ/mol.; DRB |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
10.8 | 384. | A | Stephenson and Malanowski, 1987 | Based on data from 369. to 457. K.; AC |
10.4 | 304. | A | Stephenson and Malanowski, 1987 | Based on data from 289. to 455. K. See also Stull, 1947.; AC |
10.5 | 392. | N/A | Burchfield, 1942 | Based on data from 329. to 454. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
289.6 to 454.8 | 5.32943 | 2511.452 | 16.524 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
2.4381 | 271.70 | Stull, Sinke, et al., 1961 | DH |
2.4381 | 271.70 | Stull, Sinke, et al., 1959, 2 | DH |
2.44 | 271.7 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
8.975 | 271.70 | Stull, Sinke, et al., 1959, 2 | DH |
Reaction 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:
B - John E. Bartmess
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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 354.3 ± 2.5 | kcal/mol | TDEq | Meot-ner, Liebman, et al., 1988 | gas phase; anchored to 88MEO scale, not the "87 acidity scale". The Kiefer, Zhang, et al., 1997 BDE is for ortho.; B |
ΔrH° | 351.9 ± 2.1 | kcal/mol | G+TS | Taft and Bordwell, 1988 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 346.7 ± 2.0 | kcal/mol | TDEq | Meot-ner, Liebman, et al., 1988 | gas phase; anchored to 88MEO scale, not the "87 acidity scale". The Kiefer, Zhang, et al., 1997 BDE is for ortho.; B |
ΔrG° | 344.6 ± 2.0 | kcal/mol | IMRE | Taft and Bordwell, 1988 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -23.63 ± 0.33 | kcal/mol | Chyd | Hill, Morton, et al., 1980 | liquid phase; ALS |
ΔrH° | -23. | kcal/mol | Eqk | Frye and Weitkamp, 1969 | gas phase; ALS |
ΔrH° | -21.63 ± 0.14 | kcal/mol | Eqk | Naidus and Mueller, 1950 | gas phase; At 375-525 K; ALS |
By formula: 8H2 + 2C9H8 = C9H16 + C9H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -139.9 ± 1.0 | kcal/mol | Chyd | Dolliver, Gresham, et al., 1937 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -140.4 ± 1.0 kcal/mol; At 355 °K; ALS |
IR Spectrum
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Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
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 | Japan AIST/NIMC Database- Spectrum MS-NW- 50 |
NIST MS number | 228349 |
UV/Visible spectrum
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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: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina
Spectrum
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Additional Data
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Source | Rambart-Lucas and Grumes, 1950 |
---|---|
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. 477 |
Instrument | n.i.g. |
Melting point | -1.8 |
Boiling point | 182 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, 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.
Roux, Temprado, et al., 2008
Roux, M.V.; Temprado, M.; Chickos, J.S.; Nagano, Y.,
Critically Evaluated Thermochemical Properties of Polycyclic Aromatic Hydrocarbons,
J. Phys. Chem. Ref. Data, 2008, 37, 4, 1855-1996. [all data]
Klots T.D., 1995
Klots T.D.,
Vibrational spectra of indene. Part 4. Calibration, assignment, and ideal gas thermodynamics,
Spectrochim. Acta, 1995, A51, 2307-2324. [all data]
Dorofeeva O.V., 1986
Dorofeeva O.V.,
Thermodynamic properties of twenty-one monocyclic hydrocarbons,
J. Phys. Chem. Ref. Data, 1986, 15, 437-464. [all data]
Stull, Sinke, et al., 1961
Stull, D.R.; Sinke, G.C.; McDonald, R.A.; Hatton, W.E.; Hildenbrand, D.L.,
Thermodynamic properties of indane and indene,
Pure & Appl. Chem., 1961, 2, 315-322. [all data]
Stull, Sinke, et al., 1959
Stull, D.R.; Sinke, G.C.; McDonald, R.A.; Hatton, W.E.; Hildenbrand, D.L.,
Thermodynamic properties of indane and indene,
Symposium uber Thermodynamik, 1959, 1-9. [all data]
Stull, Sinke, et al., 1959, 2
Stull, D.R.; Sinke, G.C.; McDonald, R.A.; Hatton, W.E.; Hildenbrand, D.L.,
Thermodynamic properties of indane and indene, Symp. Thermodynam. Fritens-Wattens,
Tirol Austria, 1959, No. 48, 9p. [all data]
Kravchenko and Pastukhova, 1953
Kravchenko, V.M.; Pastukhova, I.S.,
Ternary systems of indene+isoquinoline+naphthalene and naphthalene + isoquinoline+benzene,
Zh. Fiz. Khim., 1953, 27, 822. [all data]
Anonymous, 1943
Anonymous, R.,
, Sunbury Rep. No. 2176, Anglo-Iranian Oil Co., 1943. [all data]
Stull, Sinke, et al., 1959, 3
Stull, D.R.; Sinke, G.C.; McDonald, R.A.; Hatton, W.E.; Hildenbrand, D.L.,
Thermodynamic properties of indane and indene
in Symp. Thermodyn. Fritens-Wattens, Tirol, Austria, 1959. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Burchfield, 1942
Burchfield, P.E.,
Vapor Pressures of Indene, Styrene and Dicyclopentadiene,
J. Am. Chem. Soc., 1942, 64, 10, 2501-2501, https://doi.org/10.1021/ja01262a504
. [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]
Meot-ner, Liebman, et al., 1988
Meot-ner, M.; Liebman, J.F.; Kafafi, S.A.,
Ionic Probes of Aromaticity in Annelated Rings,
J. Am. Chem. Soc., 1988, 110, 18, 5937, https://doi.org/10.1021/ja00226a001
. [all data]
Kiefer, Zhang, et al., 1997
Kiefer, J.H.; Zhang, Q.; Kern, R.D.; Yao, J.; Jursic, B.,
Pyrolysis of Aromatic Azines: Pyrazine, Pyrimidine, and Pyridine,
J. Phys. Chem. A, 1997, 101, 38, 7061, https://doi.org/10.1021/jp970211z
. [all data]
Taft and Bordwell, 1988
Taft, R.W.; Bordwell, F.G.,
Structural and Solvent Effects Evaluated from Acidities Measured in Dimethyl Sulfoxide and in the Gas Phase,
Acc. Chem. Res., 1988, 21, 12, 463, https://doi.org/10.1021/ar00156a005
. [all data]
Hill, Morton, et al., 1980
Hill, R.K.; Morton, G.H.; Rogers, D.W.; Choi, L.S.,
Rearrangement of 1,1'-spirobiindene and thermochemical evidence for its spiroconjugative destabilization,
J. Org. Chem., 1980, 45, 5163-5166. [all data]
Frye and Weitkamp, 1969
Frye, C.G.; Weitkamp, A.W.,
Equilibrium hydrogenations of multi-ring aromatics,
J. Chem. Eng. Data, 1969, 14, 372-376. [all data]
Naidus and Mueller, 1950
Naidus, E.S.; Mueller, M.B.,
Equilibrium studies on the hydrindene-indene-hydrogen system,
J. Am. Chem. Soc., 1950, 72, 1829-1831. [all data]
Dolliver, Gresham, et al., 1937
Dolliver, M.a.; Gresham, T.L.; Kistiakowsky, G.B.; Vaughan, W.E.,
Heats of organic reactions. V. Heats of hydrogenation of various hydrocarbons,
J. Am. Chem. Soc., 1937, 59, 831-841. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Rambart-Lucas and Grumes, 1950
Rambart-Lucas, M.; Grumes, M.,
Sur la deformation des orbites electroniques du carbone et de l'azote dans les combinaisons heterocycliques,
Bull. Soc. Chim. Fr., 1950, 17, 317-322. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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