## Wikipedia - Momento di inerzia (it) Wikipedia - عزم القصور الذاتي (ar) moment of inertia, $$I$$, $$J$$

https://doi.org/10.1351/goldbook.M04006
Of a body about an axis is the sum of the products of its mass elements and the squares of their distances to the axis. @[email protected] of a molecule are chosen so that $$I_{A}\leq I_{B}\leq I_{C}$$.
Sources:
Green Book, 2nd ed., p. 12 [Terms] [Book]
PAC, 1996, 68, 957. (Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)) on page 983 [Terms] [Paper]