http://qiserver.ugr.es/cod/1525794.cif
http://qiserver.ugr.es/cod/1526320.cif
http://qiserver.ugr.es/cod/1526322.cif
http://qiserver.ugr.es/cod/1526401.cif
http://qiserver.ugr.es/cod/1526862.cif