From NWChem
group number = 3
group name = P2
crystal system = Monoclinic
setting number = 1
number of symmetry operators = 2
+x,+y,+z
-x,+y,-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
group number = 3
group name = P2
crystal system = Monoclinic
setting number = 2
number of symmetry operators = 2
+x,+y,+z
-x,-y,+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