Tris(4-methyl-2-thienyl)phosphine

    Parameter     ppm  Hz

      D(A)         7.117
      D(B)         6.761
      D(C)         1.914
       J(A,B)          1.39
       J(A,C)         -0.41
       J(A,X)          6.17
       J(B,C)         -1.00
       J(B,X)          0.42
       J(C,X)          0.26
     
     JAKOBSEN,H.J. & BEGTRUP,M. J.MOL.SPECTROSC. 40, 276 (1971)