Dimethylbis(1,1,2,2-tetrafluoroethyl)tin(IV)

    Parameter     ppm  Hz

      D(A)         0.63
     
      D(B)         5.63
      D(X)       -37.9
      D(Y)       -51.2
       J(B,X)          5.1
       J(B,Y)         56.5
       J(X,Y)          0.0
     
     CLARK,H.C. ET AL. CAN.J.CHEM. 41, 3005 (1963)
     THE ISOTOPIC ABUNDANCES ARE SN-117:8.68%, SN-119:7.67% & C-13:1.108%.
     J(SN-119,A):64.5HZ. J(SN-117,A):61.5HZ. J(C-13,A):137.3HZ.
     F-19 REFERENCE:CF3COOH EXT.