http://qiserver.ugr.es/cod/1547180.cif
http://qiserver.ugr.es/cod/1547181.cif
http://qiserver.ugr.es/cod/1547182.cif
http://qiserver.ugr.es/cod/1547248.cif
http://qiserver.ugr.es/cod/1547249.cif