> I am not sure how can I add a number in the "label" field.Do you mean in > the case.struct file or anywhere else? Can you tell me in detail?
If you use w2web, there is a field provided for this. If you edit case.struct directly, then put numbers (1,2,...) immediately after the chemical symbol (hence: Fe1, Fe2, ...). Be sure to delete a space first, as the file is position sensitive. Stefaan
