[填空题]
An oxygen molecule consists of two oxygen atoms8p c* x;ftd-5/a wx2 vda /jjruqt6,ip whose toh*yp.kxkdi8 1:d 0)ca .oce1)c xbktotal mass is $5.3 \times10^{ -26}$ kg and whose moment of inertia about an axis perpendicular to the line joining the two atoms, midway between them, is $ 1.9\times10^{-46 }$ $kg \cdot m^2$ From these data, estimate the effective distance between the atoms. $\times10^{-10 }$ m
