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2.2 Simple close packed structures (metals)
Unit cells of HCP and CCP
HCP
(Be, Mg, Zn, Cd, Ti, Zr, Ru ...)
close packed layer: (001)
anticuboctahedron
space filling = 74%
CN = 12
cuboctahedron
CCP
(Cu, Ag, Au, Al, Ni, Pd, Pt ...)
close packed layer: (111)
