symmetry # P42/mnm No. 136 x1 x2 x3 -x1 -x2 -x3 -x1 -x2 x3 x1 x2 -x3 -x2+1/2 x1+1/2 x3+1/2 x2+1/2 -x1+1/2 -x3+1/2 x2+1/2 -x1+1/2 x3+1/2 -x2+1/2 x1+1/2 -x3+1/2 -x1+1/2 x2+1/2 -x3+1/2 x1+1/2 -x2+1/2 x3+1/2 x1+1/2 -x2+1/2 -x3+1/2 -x1+1/2 x2+1/2 x3+1/2 x2 x1 -x3 -x2 -x1 x3 -x2 -x1 -x3 x2 x1 x3 endsymmetry centers 0.0 0.0 0.0 endcenters