P3 1

From NWChem

group number                 = 144
group name                   =       P3_1
crystal system               = Trigonal
setting number               = 1
number of symmetry operators = 3
+x,+y,+z
-y,+x-y,+z+1/3
-x+y,-x,+z+2/3
= 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 =
 0.0 -1.0 0.0 0.0
 1.0 -1.0 0.0 0.0
 0.0 0.0 1.0 0.333333333333
= operator 3 =
 -1.0 1.0 0.0 0.0
 -1.0 0.0 0.0 0.0
 0.0 0.0 1.0 0.666666666667