[填空题]
An oxygen molecule consists of+6gox-bpj;nz7r ) dcw two oxygen atoms whose total t7mex+o0cc e* 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