Tetracyclopropylsilane

    Parameter     ppm  Hz

      D(A)        -0.674
      D(B)         0.355
      D(C)         0.491
       J(A,B)          6.86
       J(A,B')         6.86
       J(A,C)          9.74
       J(A,C')         9.74
       J(B,B')         8.10
       J(B,C)         -3.39
       J(B,C')         5.09
       J(B',C)         5.09
       J(B',C')       -3.39
       J(C,C')         8.41
     
     SCHERR,P.A. & OLIVER,J.P. J.MOL.SPECTROSC. 31, 109 (1969)