Exo-bicyclo[2.2.1]heptane-2-carbonitrile
- Formula: C8H11N
- Molecular weight: 121.1796
- IUPAC Standard InChIKey: GAHKEUUHTHVKEA-RRQHEKLDSA-N
- CAS Registry Number: 3211-90-3
- Chemical structure:
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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 |
---|---|---|---|---|---|
ΔcH°liquid | -4739.2 ± 1.3 | kJ/mol | Ccb | Goroshko, Kozina, et al., 1964 | Reanalyzed by Cox and Pilcher, 1970, Original value = -4738.1 ± 1.3 kJ/mol; Combustion at 303 K; ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°solid,1 bar | 241.7 | J/mol*K | N/A | Kolesov, Seregin, et al., 1970 | DH |
S°solid,1 bar | 230.58 | J/mol*K | N/A | Seregin, Kolesov, et al., 1962 | DH |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
200.0 | 285. | Kolesov, Seregin, et al., 1970 | T = 12 to 340 K.; DH |
200.03 | 280. | Seregin, Kolesov, et al., 1962 | T = 12 to 350 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
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 299.6 | K | N/A | Buckingham and Donaghy, 1982 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 298.8 | K | N/A | Kolesov, Seregin, et al., 1970, 2 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.1 K; TRC |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
356. | 0.013 | Buckingham and Donaghy, 1982 | BS |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
2.93 | 298.8 | Domalski and Hearing, 1996 | AC |
Enthalpy of phase transition
ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
7.929 | 237.7 | crystaline, II | crystaline, I | Kolesov, Seregin, et al., 1970 | DH |
2.9434 | 298.8 | crystaline, I | liquid | Kolesov, Seregin, et al., 1970 | DH |
7.929 | 237.7 | crystaline, II | crystaline, I | Seregin, Kolesov, et al., 1962 | DH |
2.943 | 300.27 | crystaline, I | liquid | Seregin, Kolesov, et al., 1962 | DH |
Entropy of phase transition
ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
33.4 | 237.7 | crystaline, II | crystaline, I | Kolesov, Seregin, et al., 1970 | DH |
9.83 | 298.8 | crystaline, I | liquid | Kolesov, Seregin, et al., 1970 | DH |
33.35 | 237.7 | crystaline, II | crystaline, I | Seregin, Kolesov, et al., 1962 | DH |
9.83 | 300.27 | crystaline, I | liquid | Seregin, Kolesov, et al., 1962 | DH |
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.
Goroshko, Kozina, et al., 1964
Goroshko, N.N.; Kozina, M.P.; Skuratov, S.M.; Belikova, N.A.; Plate, A.F.,
The heats of combustion of exo- and endo isomers of 2-cyano-bicyclo(2.2.1)heptane,
Vestn. Mosk. Univ. Ser. 2: Khim., 1964, 19, 3-6. [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]
Kolesov, Seregin, et al., 1970
Kolesov, V.P.; Seregin, E.A.; Belikova, N.A.; Skuratov, S.M.; Plate, A.F.,
Specific heat in the interval 12-350K and thermodynamic functions of the endo- and exo-isomers of 2-cyanobicyclo[2,2,1]heptane,
Termodin. Termokhim. Konstanty, 1970, 1970, 164-172. [all data]
Seregin, Kolesov, et al., 1962
Seregin, E.A.; Kolesov, V.P.; Belikova, N.A.; Skuratov, S.M.; Plate, A.F.,
Heat capacity at low temperatures and the thermodynamic functions of endo- and exo-2-cyanobicyclo[2.2.1]heptane,
Dokl. Akad. Nauk, 1962, SSSR 145(3), 580-583. [all data]
Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M.,
Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]
Kolesov, Seregin, et al., 1970, 2
Kolesov, V.P.; Seregin, E.A.; Belikova, N.A.; Skuratov, S.M.; Plate, A.F.,
Specific heat in the interval 12-350 K and thermodynamic functions of the endo- and exo-isomers of 2-cyanobicyclo[2.2.1]heptane,
Termodin. Termokhim. Konstanty., 1970, 1970, 163-72. [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]
Notes
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- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid S°solid,1 bar Entropy of solid at standard conditions (1 bar) Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfusH Enthalpy of fusion - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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