http://qiserver.ugr.es/cod/1510082.cif
http://qiserver.ugr.es/cod/1523064.cif
http://qiserver.ugr.es/cod/1523065.cif
http://qiserver.ugr.es/cod/1527755.cif
http://qiserver.ugr.es/cod/1529960.cif
http://qiserver.ugr.es/cod/9012386.cif