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Biradical Intermediates in Tetrafluoroethylene Dissociation and Difluorocarbene Recombination

Nikolai Nikolaevich Buravtsev 1
Nikolai Nikolaevich Buravtsev
, 
Yuly Abramovich Kolbanovskii 1
Yuly Abramovich Kolbanovskii
, 
Anatoly Aleksandrovich Ovsyannikov 1
Anatoly Aleksandrovich Ovsyannikov
10.1070/MC1994v004n05ABEH000411
Published 1994-10-30
Communication , Volume 4, Issue 5, 190-191
6
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Buravtsev N. N., Kolbanovskii Y. A., Ovsyannikov A. A. Biradical Intermediates in Tetrafluoroethylene Dissociation and Difluorocarbene Recombination // Mendeleev Communications. 1994. Vol. 4. No. 5. pp. 190-191.
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Buravtsev N. N., Kolbanovskii Y. A., Ovsyannikov A. A. Biradical Intermediates in Tetrafluoroethylene Dissociation and Difluorocarbene Recombination // Mendeleev Communications. 1994. Vol. 4. No. 5. pp. 190-191.
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TY - JOUR
DO - 10.1070/MC1994v004n05ABEH000411
UR - https://mendcomm.colab.ws/publications/10.1070/MC1994v004n05ABEH000411
TI - Biradical Intermediates in Tetrafluoroethylene Dissociation and Difluorocarbene Recombination
T2 - Mendeleev Communications
AU - Buravtsev, Nikolai Nikolaevich
AU - Kolbanovskii, Yuly Abramovich
AU - Ovsyannikov, Anatoly Aleksandrovich
PY - 1994
DA - 1994/10/30
PB - Mendeleev Communications
SP - 190-191
IS - 5
VL - 4
ER -
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@article{1994_Buravtsev,
author = {Nikolai Nikolaevich Buravtsev and Yuly Abramovich Kolbanovskii and Anatoly Aleksandrovich Ovsyannikov},
title = {Biradical Intermediates in Tetrafluoroethylene Dissociation and Difluorocarbene Recombination},
journal = {Mendeleev Communications},
year = {1994},
volume = {4},
publisher = {Mendeleev Communications},
month = {Oct},
url = {https://mendcomm.colab.ws/publications/10.1070/MC1994v004n05ABEH000411},
number = {5},
pages = {190--191},
doi = {10.1070/MC1994v004n05ABEH000411}
}
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Buravtsev, Nikolai Nikolaevich, et al. “Biradical Intermediates in Tetrafluoroethylene Dissociation and Difluorocarbene Recombination.” Mendeleev Communications, vol. 4, no. 5, Oct. 1994, pp. 190-191. https://mendcomm.colab.ws/publications/10.1070/MC1994v004n05ABEH000411.

Abstract

Tetrafluoroethylene pyrolysis has been studied under the strictly homogeneous conditions of a free-piston monopulse adiabatic compression set-up, and biradical intermediate C˙F2−C˙F2 is shown to precede CF2 formation. The rate constant for biradical decomposition into two CF2 species is estimated to be K4=1013.5±0.1exp(–201 ± 8 kJ mol−1/RT) s−1. Based on the detailed equilibrium principle CF2 recombination is proposed to take place through biradical formation.

References

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10.1070/MC1994v004n05ABEH000411_bib3
Kolbanovskii
Khim. Fiz., 1988
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Buravtsev N.N., German L.S., Grigor’ev A.S., Kolbanovskii Y.A., Ovsyannikov A.A., Volkonskii A.Y.
Mendeleev Communications, 1993
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Buravtsev N.N., Kolbanovskii Y.A., Ovsyannikov A.A.
Mendeleev Communications, 1994