[填空题]
An oxygen molecule consists of two oxy :k/(poa;5qnem qe4h wa8ji ;dgen atoms whosex i j(lbcs2:gpg+ra e;a*e, yha0)w1g 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