1$cell vectors 21.0 3 4.9039976924631548 0.0000000000000000 0.0000000000000000 4 0.0000000000000000 4.9039976924631548 0.0000000000000000 5 0.0000000000000000 0.0000000000000000 4.9039976924631548 6 4 6 7Direct 8 0.2500000000000000 0.2500000000000000 0.2500000000000000 # Ag1 9 0.2500000000000000 0.7500000000000000 0.7500000000000000 # Ag2 10 0.7500000000000000 0.7500000000000000 0.2500000000000000 # Ag3 11 0.7500000000000000 0.2500000000000000 0.7500000000000000 # Ag4 12 0.5000000000000000 0.0000000000000000 0.0000000000000000 # O1 13 0.0000000000000000 0.5000000000000000 0.5000000000000000 # O2 14 0.5000000000000000 0.0000000000000000 0.5000000000000000 # O3 15 0.5000000000000000 0.5000000000000000 0.0000000000000000 # O4 16 0.0000000000000000 0.5000000000000000 0.0000000000000000 # O5 17 0.0000000000000000 0.0000000000000000 0.5000000000000000 # O6 18