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[2.2]Paracyclophane

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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
Deltafsolid146.7 ± 2.8kJ/molCcbNishiyama, Sakiyama, et al., 1980ALS
Deltafsolid144.7 ± 0.88kJ/molCcbRodgers, Westrum, et al., 1973ALS
Deltafsolid154. ± 4.kJ/molCcbBoyd, 1966ALS
Quantity Value Units Method Reference Comment
Deltacsolid-8729.5 ± 1.8kJ/molCcbNishiyama, Sakiyama, et al., 1980Corresponding «DELTA»fsolid = 146.68 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacsolid-8727.57 ± 0.63kJ/molCcbRodgers, Westrum, et al., 1973Corresponding «DELTA»fsolid = 144.8 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacsolid-8737. ± 4.kJ/molCcbBoyd, 1966Corresponding «DELTA»fsolid = 154. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
solid,1 bar265.68J/mol*KN/AAndrews and Westrum, 1970DH

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
252.7298.15Rodgers, Westrum, et al., 1973Cp given as 0.290 cal/g*K.; DH
252.34298.15Andrews and Westrum, 1970T = 10 to 350 K.; DH
248.1300.Shieh, McNally, et al., 1969T = 300, 318 K.; 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.

Nishiyama, Sakiyama, et al., 1980
Nishiyama, K.; Sakiyama, N.; Seki, S.; Horita, H.; Otsubo, T.; Misumi, S., Thermochemical studies on double- and triple-layered [2.2]paracyclophanes. Estimation of molecular strain energies., Bull. Chem. Soc. Jpn., 1980, 53, 869-877. [all data]

Rodgers, Westrum, et al., 1973
Rodgers, D.L.; Westrum, E.F., Jr.; Andrews, J.T.S., The enthalpies of combustion and formation of [2.2]-paracyclophane and triptycene, J. Chem. Thermodyn., 1973, 5, 733-739. [all data]

Boyd, 1966
Boyd, R.H., The heat of combustion and strain energy of 2,2-paracyclophane, Tetrahedron, 1966, 22, 119-122. [all data]

Andrews and Westrum, 1970
Andrews, J.T.S.; Westrum, E.F., Jr., The heat capacity and thermodynamic functions of crystalline and liquid triptycene, J. Chem. Thermodynam., 1970, 2, 245-253. [all data]

Shieh, McNally, et al., 1969
Shieh, C.; McNally, D.; Boyd, R.H., The heats of combustion and strain energies of some cyclophanes, Tetrahedron, 1969, 3653-3665. [all data]


Notes

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