MAXRD SYMBOL
DistortStructure

DistortStructure[crystal,{F1,F2,F3},{x1,x2,x3}]
distorts the atoms in crystal by an amount given by vector field F and its variables x.
DistortStructure[crystal,{F1,F2,F3},{x1,x2,x3}]
distorts the atoms in crystal by an amount given by vector field F and its variables x.