Fullerite with intercalated freon Ch2F2

被引：0
|
作者：
Yu. M. Shul’ga
V. M. Martynenko
S. A. Baskakov
G. V. Shilov
E. E. Khorkin
T. N. Fursova
A. V. Bazhenov
A. F. Shestakov
Yu. G. Morozov
机构：
[1] Russian Academy of Sciences,Institute of Problems of Chemical Physics
[2] Russian Academy of Sciences,Institute of Solid
来源：
Russian Journal of Physical Chemistry A, Focus on Chemistry | 2008年 / 82卷
关键词：
Fullerene; Metal Hydride; Fullerene Molecule; Lower Wave Number; Impurity Molecule;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Fullerite C60 with intercalated CH2F2 (Freon-32) was prepared for the first time. The sample was studied by elemental analysis, X-ray powder diffraction, mass spectrometry, and IR spectroscopy. The composition of the sample was found to be (CH2F2)C60. The sample had a face-centered cubic lattice with the lattice parameter (1.4284 nm) much larger than that of pure fullerite (1.416 nm). The gas released from the sample during heating in a vacuum to 450°C largely consisted of initial Freon (mass spectrometry data); no Freon destruction products were observed at this temperature. The C-F stretching vibration frequency (1058 cm−1) was shifted in (CH2F2)C60 by 30 cm−1 toward lower wave numbers compared with the gas phase. The absorption bands at 1182 and 1428 cm−1 (IR active modes (F1u) of high-symmetry (Ih) C60 molecules) did not change their positions in the intercalate.
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页码：1159 / 1163
页数：4
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