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Microscopic investigations for the observed properties of the recentlyreported five unstable new isotopes are carried out. The ground stateproperties are calculated in the relativistic mean field (RMF) framework andthe results reproduce the experiment well as expected. The {\alpha} - decaylifetimes are calculated in the double folding model using WKB approximationwhich requires the relevant Q values of {\alpha} - decay and the {\alpha} -daughter potential. The latter is obtained by folding the effective M3Y nucleonnucleon potential with the RMF nucleon density distributions for the daughternucleus and that of the {\alpha} particle which is assumed to be of Gaussianshape. the corresponding decay half - lives obtained by using availablephenomenological expression are also presented, discussed and compared. It isobserved that the Q values calculated in the RMF framework , though reasonablyagree with the experiment, are not accurate enough for the reliable WKBcalculation of decay half- lives. We therefore, advocate that the use ofaccurate (e.g. experimental) Q values is crucial for the reliable descriptionof the experimental {\alpha} - decay half-lives.

Microscopic description of the ground state properties of recently reported new isotopes