Carbon-13 NMR shifts and charge densities in triphenylcyclopropenium cation

被引:18
|
作者
Ray, G. J.
Colter, A. K.
Kurland, R. J.
机构
[1] Carnegie Mellon Univ, Dept Chem, Pittsburgh, PA 15213 USA
[2] Carnegie Mellon Univ, Mellon Inst, Pittsburgh, PA 15213 USA
关键词
D O I
10.1016/0009-2614(68)80086-7
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
Charge densities derived from carbon-13 NMR shifts of triphenylcyclopropenium cation have been correlated with values derived from Huckel calculations. The correlation is poor in all but the following respect: both predict only a small charge withdrawn from the cyclopropenium ring.
引用
收藏
页码:324 / 325
页数:2
相关论文
共 50 条
  • [21] CALCULATION OF CARBON-13 AND PROTON CHEMICAL SHIFTS IN PYRIDINE
    TOKUHIRO, T
    WILSON, NK
    FRAENKEL, G
    JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1968, 90 (14) : 3622 - &
  • [22] CARBON-13 MAGNETIC RESONANCE .8. THEORY OF CARBON-13 CHEMICAL SHIFTS APPLIED TO SATURATED HYDROCARBONS
    CHENEY, BV
    GRANT, DM
    JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1967, 89 (21) : 5319 - &
  • [23] CARBON-13 NMR ANALYSIS OF STEREO DEFECTS IN HIGHLY ISOTACTIC POLYPROPYLENE BY CALCULATION OF CHEMICAL SHIFTS.
    Zhu, Shan-Nong
    Asakura, Tetsuo
    Chujo, Riichiro
    1984, (16)
  • [24] STUDIES ON CARBON-13 CONTACT SHIFTS OF A SIGMA-ELECTRON SYSTEM - CONFORMATIONAL DEPENDENCE OF CARBON-13 CONTACT SHIFTS IN SIX-MEMBERED RINGS
    MORISHIMA, I
    OKADA, K
    YONEZAWA, T
    GOTO, K
    JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1971, 93 (16) : 3922 - +
  • [25] CARBON-13 NMR OF PYRIMIDINE BASES OF BIOLOGICAL SIGNIFICANCE
    DUNLAP, RB
    ELLIS, PD
    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1971, (NSEP): : 167 - &
  • [26] NATURAL ABUNDANCE CARBON-13 NMR OF CARBORANE DERIVATIVES
    TODD, LJ
    DODDRELL, D
    KAHL, SB
    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1969, (SEP): : IN99 - &
  • [27] Carbon-13 NMR of citrinin in the solid state and in solutions
    Poupko, R
    Luz, Z
    Destro, R
    JOURNAL OF PHYSICAL CHEMISTRY A, 1997, 101 (28): : 5097 - 5102
  • [28] RASER for Increased Spectral Resolution in Carbon-13 NMR
    Nelson, Christopher
    Schmidt, Andreas B.
    Adelabu, Isaiah
    Nantogma, Shiraz
    Dilday, Seth
    Volya, Nicholas
    Mandzhieva, Iuliia
    Kiselev, Valerij G.
    Abdurraheem, Abubakar
    de Maissin, Henri
    Lehmkuhl, Soren
    Appelt, Stephan
    Chekmenev, Eduard Y.
    Theis, Thomas
    ANALYTICAL CHEMISTRY, 2025,
  • [29] Proton and carbon-13 NMR studies of steroids and triterpenes
    Cordell, GA
    Lin, LZ
    Gil, RR
    SAPONINS USED IN FOOD AND AGRICULTURE, 1996, 405 : 281 - 297
  • [30] CARBON-13 CHEMICAL SHIFTS OF PARA-DISUBSTITUTED BENZENES
    SAVITSKY, GB
    JOURNAL OF PHYSICAL CHEMISTRY, 1963, 67 (12): : 2723 - &