[填空题]
An oxygen molecule consists o cw0b)/ieta8, 2kzzi nf two oxygen ayt ,w,,d;emepd)xy 2z toms 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
