http://qiserver.ugr.es/cod/1007045.cif
http://qiserver.ugr.es/cod/1527114.cif
http://qiserver.ugr.es/cod/1528095.cif
http://qiserver.ugr.es/cod/2002249.cif
http://qiserver.ugr.es/cod/2002250.cif