http://qiserver.ugr.es/cod/1010883.cif
http://qiserver.ugr.es/cod/1010884.cif
http://qiserver.ugr.es/cod/1010885.cif
http://qiserver.ugr.es/cod/1011095.cif
http://qiserver.ugr.es/cod/1011096.cif