NISTC821078

    Parameter     ppm  Hz

      D(A)         6.30
      D(B)         6.16
      D(C)         5.18
      D(D)         5.05
       J(A,A')         0.25
       J(A,B)         10.5
       J(A,B')        -0.8
       J(A,C)         15.2
       J(A,C')        -0.2
       J(A,D)          9.5
       J(A,D')        -0.2
       J(A',B)        -0.8
       J(A',B')       10.5
       J(A',C)        -0.2
       J(A',C')       15.2
       J(A',D)        -0.2
       J(A',D')        9.5
       J(B,B')        16.2
       J(B,C)         -0.8
       J(B,C')         0.7
       J(B,D)         -0.8
       J(B,D')         0.7
       J(B',C)         0.7
       J(B',C')       -0.8
       J(B',D)         0.7
       J(B',D')       -0.8
       J(C,C')         0.15
       J(C,D)          1.9
       J(C,D')         0.0
       J(C',D)         0.0
       J(C',D')        1.9
       J(D,D')         0.15
     
     ALBRIKTSEN,P. & HARRIS,R.K. ACTA CHEM.SCAND. 27, 1875 (1973)