The Structure of Fullerite C60 Intercalated with Molecular Oxygen

被引：1

作者：

Shul'ga, Yu. M. ^{[1
]}

Martynenko, V. M. ^{[1
]}

Anokhin, E. M. ^{[2
]}

Maksimychev, A. V. ^{[2
]}

Trukhanenok, A. N. ^{[1
]}

Mishchenko, A. V. ^{[3
]}

机构：

[1] Russian Acad Sci, Inst Problems Chem Phys, Chernogolovka 142432, Moscow Oblast, Russia

[2] Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Oblast, Russia

[3] IPN, ESIME SEPI, Mexico City 07738, DF, Mexico

来源：

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY B | 2010年 / 4卷 / 04期

基金：

俄罗斯基础研究基金会;

关键词：

RAMAN-SCATTERING; SOLID C-60; INTERSTITIAL NO; CHARGE-TRANSFER; O-2; FULLERENES; SHIFT; N-2;

D O I：

10.1134/S1990793110040032

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

A (O-2)(x)C-60 sample with a high content of oxygen (x >= 0.4) and free of technological solvent impurities was obtained by precipitation from solution. For the first time, the results of the determination of the x coefficients using C-13 NMR and elemental analysis were compared. It was shown by Raman spectroscopy, mass spectrometry, and NMR that the inclusion of oxygen into fullerite was accompanied by a decrease in the frequency of O-O stretching vibrations by no less than 12 cm(-1) compared with gaseous O-2. Nevertheless, oxygen exists in the molecular form in (O-2)(0.4)C-60 and is released in the form of O-2 as the sample is heated to 373 K. The number of oxygen molecules occupying octahedral pores closets to the fullerene molecule takes on all the possible values, from 0 to 6. At room temperature, the (O-2)(x)C-60 sample lost oxygen much more slowly than similar products prepared by diffusion saturation of pure fullerite with oxygen.

引用

页码：543 / 547

页数：5

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