(+/-)-2 3-DIBROMOBUTANE 98

    Parameter     ppm  Hz

      D(A)         1.735
      D(B)         4.380
       J(A,A')         0.0
       J(A,B)          6.74
       J(A,B')         0.02
       J(A',B)         0.02
       J(A',B')        6.74
       J(B,B')         3.11
     
     BOTHNER-BY,A.A. & NAAR-COLIN,C. J.AM.CHEM.SOC. 84, 743 (1962)