Citation: Higashi, I.; Atoda, T.; Sakurai, T. (1976). Crystal structure of Cu B23. Journal of the Less-Common Metals, 45, pp. 283-292.
Formula: B103.92 Cu4.14
Chemical name: Cu4.14 B103.92
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: B333 Cu66 (B111 Cu22)