P-4
From NWChem
group number = 81 group name = P-4 crystal system = Tetragonal setting number = 1 number of symmetry operators = 4 +x,+y,+z -x,-y,+z +y,-x,-z -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 = -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 = 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 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