Download of spglib-1.6.1.tar.gz (spglib-1.6.1.tar.gz ( external link: SF.net): 902,532 bytes) will begin shortly. If not so, click link on the left.
Spglib is a C-library written for finding crystal symmetry. Symmetry operation, space group, etc, can be obtained using this symmetry finder. It is easy to include this library to your code. For more information, See, http://spglib.sourceforge.net/
