1H-Indazole

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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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tfus419.3KN/ARondestvedt and Blanchard, 1955Uncertainty assigned by TRC = 0.6 K; TRC
Quantity Value Units Method Reference Comment
Δsub91.1 ± 0.2kJ/molVJimenez, Roux, et al., 1987see Jimenez, Roux, et al., 1986; ALS
Δsub91.1kJ/molN/AJimenez, Roux, et al., 1987DRB
Δsub91.1 ± 0.2kJ/molN/AJimenez, Roux, et al., 1987See also Jimenez, Roux, et al., 1986, 2.; AC
Δsub87.7kJ/molN/AFaour and Akasheh, 1985DRB
Δsub97.1kJ/molVZimmerman and Geisenfelder, 1961ALS

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
543.20.991Aldrich Chemical Company Inc., 1990BS

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
90.9 ± 0.2318.MEJimenez, Roux, et al., 1987Based on data from 308. to 317. K.; AC

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:


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.

Rondestvedt and Blanchard, 1955
Rondestvedt, C.S.; Blanchard, H.S., Arylation of Unsaturated Systems by Free Radicals I. Arylation of Alkylbenzenes, J. Am. Chem. Soc., 1955, 77, 1769. [all data]

Jimenez, Roux, et al., 1987
Jimenez, P.; Roux, M.V.; Turrion, C., Thermochemical properties of N-heterocyclic compounds. I. Enthalpies of combustion, vapour pressures and enthalpies of sublimation, and enthalpies of formation of pyrazole, imidazole, indazole, and benzimidazole, J. Chem. Thermodyn., 1987, 19, 985-992. [all data]

Jimenez, Roux, et al., 1986
Jimenez, P.; Roux, M.V.; Turrion, C.; Gomis, F., Thermochemical properties of some N-heterocyclic compounds, J. Calorim. Anal. Therm. Thermodyn. Chim., 1986, 17, 469-470. [all data]

Jimenez, Roux, et al., 1986, 2
Jimenez, P.; Roux, M.V.; Turrion, C.; Gomis, F., Thermochemical properties of some N-heterocyclic compounds, J. Calorim. Anal. Therm. Thermodyn. Chim., 1986, 17, 469. [all data]

Faour and Akasheh, 1985
Faour, M.; Akasheh, T.S., Heat of combustion of some N-heterocycle compounds. Part 1, J. Chem. Soc. Perkin Trans. 2, 1985, 811-713. [all data]

Zimmerman and Geisenfelder, 1961
Zimmerman, H.; Geisenfelder, H., Uber die Mesomerieenergie von Azolen, Z. Electrochem., 1961, 65, 368-371. [all data]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]


Notes

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