Dear All; Is there any potential file for Ag-Ag ? the DFTB website list Ag-O-C-H and Ag-Si, cannot find the Ag-Ag file. Thanks Xi -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.dftb-plus.info/pipermail/dftb-plus-user/attachments/20120808/59116bf9/attachment.html>