http://qiserver.ugr.es/cod/1008753.cif
http://qiserver.ugr.es/cod/1535068.cif
http://qiserver.ugr.es/cod/9000060.cif
http://qiserver.ugr.es/cod/9000061.cif
http://qiserver.ugr.es/cod/9000062.cif
http://qiserver.ugr.es/cod/9000063.cif