P3
From NWChem
group number = 143 group name = P3 crystal system = Trigonal setting number = 1 number of symmetry operators = 3 +x,+y,+z -y,+x-y,+z -x+y,-x,+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 = 0.0 -1.0 0.0 0.0 1.0 -1.0 0.0 0.0 0.0 0.0 1.0 0.0 = operator 3 = -1.0 1.0 0.0 0.0 -1.0 0.0 0.0 0.0 0.0 0.0 1.0 0.0