http://qiserver.ugr.es/cod/9000110.cif
http://qiserver.ugr.es/cod/9000111.cif
http://qiserver.ugr.es/cod/9000112.cif
http://qiserver.ugr.es/cod/9000113.cif
http://qiserver.ugr.es/cod/9013162.cif