[填空题]
An oxygen molecule consisl2gch-xns k nh2 kk;c( g0)oh8oqm: * pjq32 s-owce.(v*oh +ot7rikkts of two oxygen atoms whose total 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