http://qiserver.ugr.es/cod/1001635.cif
http://qiserver.ugr.es/cod/1001695.cif
http://qiserver.ugr.es/cod/1007231.cif
http://qiserver.ugr.es/cod/1510685.cif
http://qiserver.ugr.es/cod/9012066.cif