From NWChem
group number = 152
group name = P3_121
crystal system = Trigonal
setting number = 1
number of symmetry operators = 6
+x,+y,+z
-y,+x-y,+z+1/3
-x+y,-x,+z+2/3
+y,+x,-z
+x-y,-y,-z+2/3
-x,-x+y,-z+1/3
= 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
= operator 4 =
0.0 1.0 0.0 0.0
1.0 0.0 0.0 0.0
0.0 0.0 -1.0 0.0
= operator 5 =
1.0 -1.0 0.0 0.0
0.0 -1.0 0.0 0.0
0.0 0.0 -1.0 0.666666666667
= operator 6 =
-1.0 0.0 0.0 0.0
-1.0 1.0 0.0 0.0
0.0 0.0 -1.0 0.333333333333
