REACTIONS OF C-60 AND C-70 WITH CYCLOPENTADIENE

被引:67
作者
PANG, LSK
WILSON, MA
机构
[1] CSIRO Division of Coal and Energy Technology, North Ryde, NSW 2113
关键词
D O I
10.1021/j100128a001
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
The kinetics of addition of cyclopentadiene to fullerene C60 and fullerene C70 have been studied in the temperature range 291-354 K by high-pressure liquid chromatography. The rate of addition of cyclopentadiene to fullerene C60 is about 7 times as fast as the rate of addition to fullerene C70 at 293 K. The activation energies for the two reactions are 29 and 67 kJ mol-1, respectively, and reflect the increased electron density in bonds adjoined to two hexagonal rings (C6-C6 bonds) in C60 relative to C70. The log A frequency factor for the reaction of C70 with cyclopentadiene is over twice that for C60 because of the presence of a greater proportion of C6-C6 bonds.
引用
收藏
页码:6761 / 6763
页数:3
相关论文
共 33 条
  • [21] C60 - BUCKMINSTERFULLERENE
    KROTO, HW
    ALLAF, AW
    BALM, SP
    [J]. CHEMICAL REVIEWS, 1991, 91 (06) : 1213 - 1235
  • [22] KROTO HW, 1992, SPECIAL ISSUE FULLER, V30, P1139
  • [23] THE STRUCTURE OF THE C60 MOLECULE - X-RAY CRYSTAL-STRUCTURE DETERMINATION OF A TWIN AT 110-K
    LIU, SZ
    LU, YJ
    KAPPES, MM
    IBERS, JA
    [J]. SCIENCE, 1991, 254 (5030) : 408 - 410
  • [24] MCLAFFERTY FW, 1992, ACCOUNTS CHEM RES, V25, P98
  • [25] FULLERENES FROM COAL - A SELF-CONSISTENT PREPARATION AND PURIFICATION PROCESS
    PANG, LSK
    VASSALLO, AM
    WILSON, MA
    [J]. ENERGY & FUELS, 1992, 6 (02) : 176 - 179
  • [26] FULLERENES FROM COAL
    PANG, LSK
    VASSALLO, AM
    WILSON, MA
    [J]. NATURE, 1991, 352 (6335) : 480 - 480
  • [27] THE EQUILIBRIUM STRUCTURE OF C70 - AN ABINITIO HARTREE-FOCK STUDY
    SCUSERIA, GE
    [J]. CHEMICAL PHYSICS LETTERS, 1991, 180 (05) : 451 - 456
  • [28] Kinetics of bimolecular associations in solution and in the gaseous state - The mechanism of additions to double bonds part IV
    Wasserman, A
    [J]. JOURNAL OF THE CHEMICAL SOCIETY, 1936, : 1028 - 1034
  • [29] Some experimental evidence bearing on the discussion of part I. Kinetics of bimolecular associations in the gaseous and condensed phase.
    Wassermann, A
    [J]. TRANSACTIONS OF THE FARADAY SOCIETY, 1938, 34 (01): : 0128 - 0137
  • [30] FULLERENES - PREPARATION, PROPERTIES, AND CARBON-CHEMISTRY
    WILSON, MA
    PANG, LSK
    WILLETT, GD
    FISHER, KJ
    DANCE, IG
    [J]. CARBON, 1992, 30 (04) : 675 - 693