I can see that you have NaN ("not a numeric value") in the data file.
Unfortunately, I cannot tell you anything why this happens, because you do not tell me anything. PS: send email WITHOUT html-format, and not 4 pictures at once. It is rather clear that when the data file is not ok, the pictures will not be correct. -- ----------------------------------------- Peter Blaha Inst. Materials Chemistry, TU Vienna Getreidemarkt 9, A-1060 Vienna, Austria Tel: +43-1-5880115671 Fax: +43-1-5880115698 email: pblaha at theochem.tuwien.ac.at -----------------------------------------