Following figure shows an FCC unit cell with atoms of radius

Last updated: 7/3/2023

Following figure shows an FCC unit cell with atoms of radius r marked 1 corner 2 face center 3 face center A quadrilateral is also shown by joining the centers of 4 face centered atoms The distances between atoms 1 2 2 3 and 1 3 A 2r 2r 2 3r C r 2r 2 3r 3 2 B 2 3r 2r r D r 2r 3r