Trimethylene sulphide, sulphoxide and sulphone

FIGURE 17. The HOMO in trimethylene sulphide, sulphoxide and sulphone, to be compared with the ones for the strained rings (Figure 16) and for the open-chain derivatives (Figures 14 and 15). 

TABLE 10. Orbital energies and population analysis (from PP MO calculations) and assumed geometries (see text) for trimethylene sulphide, sulphoxide and sulphone"... 

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