I 4 2 2,NR.97*CS,CZ*
LATT  -2
SYMM  -X,-Y,Z
SYMM  -X,Y,-Z
SYMM  X,-Y,-Z
SYMM  Y,X,-Z
SYMM  -Y,-X,-Z
SYMM  -Y,X,Z
SYMM  Y,-X,Z
    0 .5 / 0 .5 / 0 .25
    I 4 2 2,NR.97*CS,CZ*