| # | Species | Formula |
| 6999 | Holmium complex, CCDC: NIHRIF (Geo) | C42H34N8O14Ho2 | |
| 7000 | Holmium complex, CCDC: KAVLOI (Geo) | C12H44N4O16Ho2 | |
| 7001 | Holmium complex, CCDC: COZHEE (Geo) | C36H32N6O16Ho2 | |
| 7002 | Erbium complex, CCDC: XOXXAJ (Geo) | C23H37N2Er | |
| 7003 | Erbium complex, CCDC: DIJQIW (Geo) | C33H47N8Er | |
| 7004 | Erbium complex, CCDC: DIJQAO (Geo) | C44H77N8Er | |
| 7005 | Erbium complex, CCDC: YEDSIJ10 (Geo) | C19H23OEr | |
| 7006 | Erbium complex, CCDC: YEGFEV (Geo) | C41H73N6O2Er | |
| 7007 | Erbium complex, CCDC: ZADWUW (Geo) | C30H39O3Er | |
| 7008 | Erbium complex, CCDC: VEQFOM (Geo) | C27H27N4O3Er | |
| 7009 | Erbium complex, CCDC: TUMJEQ (Geo) | C53H53N6O4Er | |
| 7010 | Erbium complex, CCDC: UFIRIK (Geo) | C48H66N8O5Er | |
| 7011 | Erbium complex, CCDC: TMHDER (Geo) | C33H57O6Er | |
| 7012 | Erbium complex, CCDC: XEWVOK (Geo) | C10H20N2O6Er | |
| 7013 | Erbium complex, CCDC: XEWWUR (Geo) | C10H20N2O6Er | |
| 7014 | Erbium complex, CCDC: BAGBER (Geo) | C20H18N5O8Er | |
| 7015 | Erbium complex, CCDC: AERETS02 (Geo) | H18O9Er | |
| 7016 | Erbium complex, CCDC: GINRIE (Geo) | C8H26O9Er | |
| 7017 | Erbium complex, CCDC: KITGUP (Geo) | C8H26O9Er | |
| 7018 | Erbium complex, CCDC: HANCOO (Geo) | C10H28O9Er | |
| 7019 | Erbium complex, CCDC: HENAEB (Geo) | C10H19N2O9Er | |