Non–adiabatic effects manifested in the energies and electrical characteristics of positive parity states of  nucleus been studied within the framework of a phenomenological model, taking into account the Coriolis mixing of low–lying rotational state bands. The energy and structure of low–laying state of  and  bands which is constructed on intrinsic excitation are calculated. And also the reduced probabilities of  transitions from the  and  bands to the ground  state band have been calculated. The non–adiabatic effect which is manifesting in electromagnetic transitions and significantly effects in the wave function of the states is shown.

Energy, nucleus, spin, positive parity, Coriolis mixing, rotational, band

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