9
Empilement ABC hc maille			
 O	0.720000	0.000000	0.000000
 O	0.360000	0.623538	0.000000
 O	1.080000	0.623538	0.000000
 O	0.720000	1.247077	0.000000
 O	0.720000	0.831384	0.587878
 O	0.720000	0.000000	1.175755
 O	0.360000	0.623538	1.175755
 O	1.080000	0.623538	1.175755
 O	0.720000	1.247077	1.175755