P -4 21 C,NR.114*CS,CZ* LATT -1 SYMM 0.5-X,0.5+Y,0.5-Z SYMM 0.5+X,0.5-Y,0.5-Z SYMM 0.5-Y,0.5-X,0.5+Z SYMM 0.5+Y,0.5+X,0.5+Z SYMM -X, -Y, Z SYMM -Y, X, -Z SYMM Y, -X, -Z 0 .5 / 0 .5 / 0 .5 P -4 21 C,NR.114*CS,CZ*