11.7 co.hcp(��������)

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crystal structure	hexagonal closed packed lattice IBRAV=4
space group	No.194 $P \frac{6_{3}}{m} \frac{2}{m} \frac{2}{c}, D_{6h}^{4}$
lattice constant	$a=4.62$ a.u., $c/a=1.614$
xc potentail	CA-PZ(LSDA)
energy cut-offs	30 Ry, 250 Ry
k point sampling	Monkhost & Pack, $10\times10\times10$, NKPT=150