$cell vectors 1.0 4.9159976868166551 0.0000000000000000 0.0000000000000000 -2.4584988431730541 4.2582449067250403 0.0000000000000000 0.0000000000000000 0.0000000000000000 5.4069974557806448 3 6 Direct 0.4702000000000005 0.0000000000000000 0.3332999999999998 # Si1 0.0000000000000002 0.4700000000000001 0.6667000000000002 # Si2 0.5306000000000005 0.5305000000000006 0.0000000000000000 # Si3 0.8533000000000004 0.5861000000000003 0.8812999999999998 # O1 0.5862000000000002 0.8539000000000000 0.1180000000000003 # O2 0.1476999999999999 0.7326000000000009 0.4532000000000003 # O3 0.4139999999999999 0.2679000000000000 0.2158999999999997 # O4 0.2673999999999999 0.4137000000000005 0.7858999999999999 # O5 0.7338000000000003 0.1465000000000006 0.5489999999999994 # O6