FULLERENE C-70, TOLUENE 1-1 SOLVATE - STRUCTURAL AND THERMODYNAMIC EVIDENCES

被引:19
作者
AGAFONOV, V
CEOLIN, R
ANDRE, D
DEBRUIJN, J
GONTHIERVASSAL, A
SZWARC, H
RODIER, N
DUGUE, J
TOSCANI, S
SIZARET, PY
FABRE, C
GREUGNY, V
RASSAT, A
机构
[1] UNIV PARIS 11,CNRS,CHIM PHYS MAT AMORPHES LAB,URA D1104,F-91405 ORSAY,FRANCE
[2] FAC PHARM CHATENAY MALABRY,CRISTALLOG LAB,F-92296 CHATENAY MALABRY,FRANCE
[3] FAC PHARM PARIS,CHIM MINERALE & STRUCT LAB,F-75270 PARIS 06,FRANCE
[4] FAC MED TOURS,UNITE MICROSCOPIE ELECTR,F-37042 TOURS,FRANCE
[5] ECOLE NORMALE SUPER,CNRS,URA 1110,ACTIVAT MOLEC LAB,F-75231 PARIS,FRANCE
关键词
D O I
10.1016/0009-2614(93)80078-4
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
X-ray diffraction and thermodynamic measurements show that crystalline fullerene C70 obtained from toluene solutions is a C70, toluene 1: 1 solvate. Its structure is orthorhombic with space group Pbca (a= 21.075 angstrom, b= 32.990 angstrom, c= 10.844 angstrom). The evolution of this solvate towards the face-centered cubic and hexagonal phases of pure C70 is described and a hierarchy of relative stabilities of these latter phases is tentatively proposed.
引用
收藏
页码:68 / 72
页数:5
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