http://qiserver.ugr.es/cod/1522461.cif
http://qiserver.ugr.es/cod/1522462.cif
http://qiserver.ugr.es/cod/1524753.cif
http://qiserver.ugr.es/cod/1524871.cif
http://qiserver.ugr.es/cod/1524872.cif
http://qiserver.ugr.es/cod/1524873.cif