9H-Fluorene, 9-methyl-

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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfsolid15.60 ± 0.24kcal/molCcrRakus, Verevkin, et al., 1994crystal phase
Quantity Value Units Method Reference Comment
Δcsolid-1742.20kcal/molCcrRakus, Verevkin, et al., 1994crystal phase; Corresponding Δfsolid = 15.59 kcal/mol (simple calculation by NIST; no Washburn corrections)

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

Quantity Value Units Method Reference Comment
Δvap16.9 ± 0.07kcal/molGSVerevkin, 2004Based on data from 320. to 353. K.; AC
Δvap17.0 ± 0.05kcal/molGSVerevkin, 2004Based on data from 318. to 358. K.; AC
Δvap15.9kcal/molBRakus, Verevkin, et al., 1994Based on data from 318. to 358. K.; AC
Quantity Value Units Method Reference Comment
Δsub20.0 ± 0.1kcal/molGSVerevkin, 2004Based on data from 285. to 317. K.; AC
Δsub19.78kcal/molVRakus, Verevkin, et al., 1994crystal phase; ALS
Δsub19.8kcal/molN/ARakus, Verevkin, et al., 1994DRB
Δsub19.8 ± 0.07kcal/molN/ARakus, Verevkin, et al., 1994AC

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference Comment
428.20.020Weast and Grasselli, 1989BS

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
19.8 ± 0.07338.BRakus, Verevkin, et al., 1994Based on data from 318. to 358. K.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Method Reference Comment
3.901319.2DSCRakus, Verevkin, et al., 1994AC

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 by: John E. Bartmess

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

C14H11- + Hydrogen cation = 9H-Fluorene, 9-methyl-

By formula: C14H11- + H+ = C14H12

Quantity Value Units Method Reference Comment
Δr350.8 ± 2.1kcal/molG+TSTaft, 1987gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr343.5 ± 2.0kcal/molIMRETaft, 1987gas phase; value altered from reference due to change in acidity scale

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.

Rakus, Verevkin, et al., 1994
Rakus, K.; Verevkin, S.P.; Schatzer, J.; Beckhaus, H.-D.; Ruchardt, C., Thermochemistry and thermal decomposition of 9,9'-bifluorenyl and 9,9'-dimethyl-9,9'-bifluorenyl - the stabilization energy of 9-fluorenyl radicals, Chem. Ber., 1994, 127, 1095-1103. [all data]

Verevkin, 2004
Verevkin, Sergey P., Vapor pressure measurements on fluorene and methyl-fluorenes, Fluid Phase Equilibria, 2004, 225, 145-152, https://doi.org/10.1016/j.fluid.2004.08.037 . [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Taft, 1987
Taft, R.W., The Nature and Analysis of Substitutent Electronic Effects, Personal communication. See also Prog. Phys. Org. Chem., 1987, 16, 1. [all data]


Notes

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