Tetracyclopropylplumbane

    Parameter     ppm  Hz

      D(A)         0.482
      D(B)         0.674
      D(C)         0.843
       J(A,B)          6.42
       J(A,B')         6.42
       J(A,C)          9.30
       J(A,C')         9.30
       J(B,B')         8.07
       J(B,C)         -4.18
       J(B,C')         5.02
       J(B',C)         5.02
       J(B',C')       -4.18
       J(C,C')         8.73
     
     SCHERR,P.A. & OLIVER,J.P. J.MOL.SPECTROSC. 31, 109 (1969)