http://qiserver.ugr.es/cod/1010272.cif
http://qiserver.ugr.es/cod/1010273.cif
http://qiserver.ugr.es/cod/1010635.cif
http://qiserver.ugr.es/cod/1522628.cif
http://qiserver.ugr.es/cod/1539524.cif