A body-centred cubic cell adds one complete atom at its centre. The total is 8 × ⅛ + 1 = 2. Nearest neighbours touch along a body diagonal: 4r = √3 a. Each atom has eight nearest neighbours.
A body-centred cubic cell adds one complete atom at its centre. The total is 8 × ⅛ + 1 = 2. Nearest neighbours touch along a body diagonal: 4r = √3 a. Each atom has eight nearest neighbours.