UserError("Coordinate line of XYZ file '%s'" " has unrecognizable atomic symbol/number: '%s'" %( fileName, line ) )
UserError("Coordinate line of XYZ file '%s'" " has non-floating point xyz values: '%s'" %( fileName, line ) )
UserError("Coordinate line of XYZ file" " '%s' is not element,x,y,z: '%s'" %( fileName, line ) )
UserError( "No atoms in XYZ file '%s'" % fileName )