| # | Species | Formula |
| 2696 | K(I)O7 (LEGXOK) | C20H31O7K | |
| 2697 | Nonactin-potassium thiocyanate (NONKCS) (Geo) | C40H64O12K | |
| 2698 | Potassium fluoride (Geo) | FK | |
| 2699 | Potassium fluoride | FK | |
| 2700 | K(+)(H2O)5.F | H10O5FK | |
| 2701 | Potassium trifluoroberyllate | BeF3K | |
| 2702 | KBF4 (Geo) | BF4K | |
| 2703 | Neon potassium cation (Geo) | NeK | |
| 2704 | KAlF4 (Geo) | F4AlK | |
| 2705 | KHSO4 (corrected for PW91D error in H2SO4) | HO4SK | |
| 2706 | K(I)O5N3 (POZTCK) (Geo) | C17H32N3O5SK | |
| 2707 | K(I)O5N3 (POZTCK) | C17H32N3O5SK | |
| 2708 | KHSO4.2H2O (corrected for PW91D error in H2SO4) | H5O6SK | |
| 2709 | KHSO4.2H2O (Geo) | H5O6SK | |
| 2710 | K(I)O6S (RUXVAH) (Geo) | C16H33O6SK | |
| 2711 | K(I)O6S (RUXVAH) | C16H33O6SK | |
| 2712 | Potassium chloride (Geo) | ClK | |
| 2713 | Potassium chloride | ClK | |
| 2714 | K(+)(H2O)5.Cl (Geo) | H10O5ClK | |
| 2715 | K(+)(H2O)5.Cl | H10O5ClK | |
| 2716 | Argon potassium cation (Geo) | ArK | |