Tris(4-methyl-3-thienyl)phosphine sulfide

    Parameter     ppm  Hz

      D(A)         7.449
      D(B)         7.059
      D(C)         2.247
       J(A,B)          3.18
       J(A,C)          0.36
       J(A,X)          9.30
       J(B,C)         -1.05
       J(B,X)          2.62
       J(C,X)         -0.65
     
     JAKOBSEN,H.J. & BEGTRUP,M. J.MOL.SPECTROSC. 40, 276 (1971)