4-Piperidinol, 2,2,6,6-tetramethyl-, 1-oxide

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

Quantity Value Units Method Reference Comment
Δfgas-345.3 ± 1.9kJ/molCcbLebedev, Rozantzev, et al., 1966 

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
Δfsolid-445.7 ± 1.4kJ/molCcbLebedev, Rozantzev, et al., 1966 
Quantity Value Units Method Reference Comment
Δcsolid-5811.5 ± 1.4kJ/molCcbLebedev, Rozantzev, et al., 1966 

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

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
100.4 ± 0.6328.MELebedev, Rosantsev, et al., 1966Based on data from 318. to 348. K. See also Cox and Pilcher, 1970.; AC
100. ± 0.50313.VKalashnikova, Rozantsev, et al., 1965ALS

IR 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: Coblentz Society, Inc.

Condensed Phase Spectrum

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IR spectrum
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Notice: Except where noted, spectra from this collection were measured on dispersive instruments, often in carefully selected solvents, and hence may differ in detail from measurements on FTIR instruments or in other chemical environments. More information on the manner in which spectra in this collection were collected can be found here.

Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

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Owner COBLENTZ SOCIETY
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin WESTERN REGIONAL RES. USDA
Source reference COBLENTZ NO. 10428
Date 1967/02/17
Name(s) 2,2,6,6-tetramethyl-1,4-piperidinediol
State SOLUTION (10% IN CCl4 FOR 4000-1310, LESS THAN 10% IN CS2 FOR 1310-450 CM-1) VS. AIR
Instrument CARY 90 (GRATING)
Instrument parameters GRATING CHANGES AT 3000, 2000, 1200 CM-1
Path length 0.010, 0.011 CM
SPECTRAL CONTAMINATION DUE TO CCl4 AROUND 1550, AND CS2 AROUND 850 CM-1
Resolution 4
Sampling procedure TRANSMISSION
Data processing DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS)

This IR spectrum is from the Coblentz Society's evaluated infrared reference spectra collection.


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.

Lebedev, Rozantzev, et al., 1966
Lebedev, Yu.A.; Rozantzev, E.G.; Kalashnikova, L.A.; Lebedev, V.P.; Neiman, M.B.; Apin, A.Ya., Thermochemical study of certain free radicals and the corresponding hydrides, Dokl. Phys. Chem. (Engl. Transl.), 1966, 168, 460-462, In original 104. [all data]

Lebedev, Rosantsev, et al., 1966
Lebedev, Y.A.; Rosantsev, E.G.; Kalashnikova, L.A.; Lebedev, V.P.; Nieman, M.B.; Apin, Y.A., Dokl. Akad. Nauk SSSR, 1966, 168, 1, 104. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [all data]

Kalashnikova, Rozantsev, et al., 1965
Kalashnikova, L.A.; Rozantsev, E.G.; Chaikin, A.M., Saturated vapor pressure of certain stable free radicals, Bull. Acad. Sci. USSR, Div. Chem. Sci., 1965, 782-785. [all data]


Notes

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