Equilibrium Phase Diagram of Polymerized C₆₀ and Kinetics of Decomposition of the Polymerized Phases

M. V. Korobov Department of Chemistry, Moscow State University, Moscow, RussiaCorrespondence[email protected]

A. G. Bogachev Department of Chemistry, Moscow State University, Moscow, Russia

V. M. Senyavin Department of Chemistry, Moscow State University, Moscow, Russia

A. A. Popov Department of Chemistry, Moscow State University, Moscow, Russia

V. A. Davydov Institute of High‐Pressure Physics of RAS, Moscow District, Russia

A. V. Rakhmanina Institute of High‐Pressure Physics of RAS, Moscow District, Russia

A. V. Markin Chemistry Institute, Nizhny Novgorod State University, Nizhny Novgorod, Russia

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Abstract

Equilibrium phase diagram (T=0–1000 K; p=0–8 GPa) of pressure‐temperature polymerized C₆₀ has been constructed. It included rhombohedral; orthorhombic and tetragonal polymerized phases of C₆₀ along with fcc monomeric phases of C₆₀. The isothermal kinetics of depolymerization (T=373–513 K) of the O‐, R‐, T‐ and D‐phases was studied by means of the IR‐spectroscopy. The isothermal rate of decomposition goes up along the series: (T‐)<(O‐)<(R‐)<(D‐).

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Acknowledgment

This study was supported by the RFBR grant 03‐03‐32179.

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Equilibrium Phase Diagram of Polymerized C₆₀ and Kinetics of Decomposition of the Polymerized Phases

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Equilibrium Phase Diagram of Polymerized C₆₀ and Kinetics of Decomposition of the Polymerized Phases