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The two stages dynamical stochastic model developed earlier for descriptionof fusion-fission reactions is applied to the calculation of mass- andenergy-distributions of fission fragments of platinum isotopes in reaction${\rm ^{36}Ar + ^{142}Nd \to ^{178-x}Pt + xn}$. The first stage of this modelis the calculation of the approaching of projectile nucleus to the targetnucleus. On the second stage of the model, the evolution of the system formedafter the touching of the projectile and target nuclei is considered. Theevolution of the system on both stages is described by three-dimensionalLangevin equations for the shape parameters of the system. The mutualorientation of the colliding ions and tunneling through the Coulomb barrier inthe entrance channel are also taken into account. The potential energy of thesystem is calculated within the macroscopic-microscopic approach. Thecalculated mass-energy distributions of fission fragments are compared with theavailable experimental data. The impact of shell effects, rotation of thesystem and neutron evaporation on the calculated results is discussed.

physical review. c

Description of the mass-asymmetric fission of the Pt isotopes, obtained  in the reaction $^{36}$Ar + $^{142}$Nd within the two-stage fusion-fission  model