P2 12 12

From NWChem

group number                 = 18
group name                   =   P2_12_12
crystal system               = Orthorhombic
setting number               = 1
number of symmetry operators = 4
+x,+y,+z
-x,-y,+z
-x+1/2,+y+1/2,-z
+x+1/2,-y+1/2,-z
= operator 1 =
 1.0 0.0 0.0 0.0
 0.0 1.0 0.0 0.0
 0.0 0.0 1.0 0.0
= operator 2 =
 -1.0 0.0 0.0 0.0
 0.0 -1.0 0.0 0.0
 0.0 0.0 1.0 0.0
= operator 3 =
 -1.0 0.0 0.0 0.5
 0.0 1.0 0.0 0.5
 0.0 0.0 -1.0 0.0
= operator 4 =
 1.0 0.0 0.0 0.5
 0.0 -1.0 0.0 0.5
 0.0 0.0 -1.0 0.0