http://qiserver.ugr.es/cod/1010658.cif
http://qiserver.ugr.es/cod/1010665.cif
http://qiserver.ugr.es/cod/1010666.cif
http://qiserver.ugr.es/cod/1011072.cif
http://qiserver.ugr.es/cod/1011223.cif
http://qiserver.ugr.es/cod/8104249.cif