| # | Species | Formula |
| 6891 | Gadolinium complex, CCDC: PALHAL (Geo) | C54H66N8O6Gd2 | |
| 6892 | Gadolinium complex, CCDC: ZUNCAM (Geo) | C36H38N8O10Gd2 | |
| 6893 | Gadolinium complex, CCDC: CULNIG10 (Geo) | C36H24O12Gd2 | |
| 6894 | Gadolinium complex, CCDC: EHAXEQ (Geo) | C66H46N4O12Gd2 | |
| 6895 | Gadolinium complex, CCDC: YEWGEM (Geo) | C54H98O14Gd2 | |
| 6896 | Gadolinium complex, CCDC: NIGXAC (Geo) | C42H34N8O14Gd2 | |
| 6897 | Gadolinium complex, CCDC: ACAQGD (Geo) | C12H26O16Gd2 | |
| 6898 | Gadolinium complex, CCDC: PROPGD (Geo) | C18H38O16Gd2 | |
| 6899 | Gadolinium complex, CCDC: LASZIO (Geo) | C32H52N10O18Gd2 | |
| 6900 | Gadolinium complex, CCDC: YAVSUJ (Geo) | C10H14N8O22Gd2 | |
| 6901 | Gadolinium complex, CCDC: COSTAF (Geo) | C64H56N6O26Gd2 | |
| 6902 | Gadolinium complex, CCDC: SERYOD (Geo) | C12H12O18F18Gd2 | |
| 6903 | Terbium complex, CCDC: XEXJIT (Geo) | C27H27N4O3Tb | |
| 6904 | Terbium complex, CCDC: QAWHIF (Geo) | C24H24B2N13O3Tb | |
| 6905 | Terbium complex, CCDC: NAXRAF (Geo) | C32H28B2N13O3Tb | |
| 6906 | Terbium complex, CCDC: MIWTAN (Geo) | C26H32N6O4Tb | |
| 6907 | Terbium complex, CCDC: DIFHEF (Geo) | H41BC54N9O4Tb | |
| 6908 | Terbium complex, CCDC: XAXXUP (Geo) | C40H67N2O6Tb | |
| 6909 | Terbium complex, CCDC: NASTUW (Geo) | C26H28N8O6Tb | |
| 6910 | Terbium complex, CCDC: LIFJEP (Geo) | C38H26N12O6Tb | |
| 6911 | Terbium complex, CCDC: VAPTEL (Geo) | C66H72N12O6Tb | |