Nuclear potential energy surfo:>,ces a~ a functlcin of cleforma:tions are calculated on the basis of a nt)dified osclll.at.or model. In particular, quadrupole (P 2) and hexadecupole (P 1) deformation;; nrc • considered. The average behavior of the sur_face is norrr:a.lized to that ofu liquid drop through 'the employment of a gei1eraliz.ed Strutinski prescription. In this way a synthesi:; of the slnglc particle model and the liquid drop model is obtained. Lowest minima. in the potential energy surfaces give the ~rounc~ state masses ond distortions. These results compare extremely well wi.th experimental data. Spontaneous fission half lives are obtained. 'l'he inertial parameters as::wcia ted with fission barrier pcnetn:ttlon are derived empidcally as well as by a microscopic modeL Sh::tpe (fisslon) isomeric states _o.re also found. Thelr N and Z dependence in the present model are discusccd and results tabulated. The calculations arc extended to the predicted nuperbea.vy region around Z :: 111~ nnd N == 18/1. 1'he total overall stnh:U.i ty ~rith respect to alpha L-tnd beta. decay, and Epontaneous fission fs fou .. "ld to be most favorable in the vic:!n.Uy of b:::: 110 and N = J.8IL Detailed diagrams and tables arc exhibited.

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