Dimethylphosphin

    Parameter     ppm  Hz

      D(A)         1.06
      D(B)         3.13
       J(A,A')         0.0
       J(A,B)          7.7
       J(A,M)          3.6
       J(A',B)         7.7
       J(A',M)         3.6
       J(B,M)        191.6
     
     WHITESIDES,G.M. ET AL. J.AM.CHEM.SOC. 85, 2665 (1963)