List of all polyatomic ions
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This is a list of polyatomic ions. This list is incomplete; you can help by expanding it.
| Anions | |
|---|---|
| Arsenate | AsO3− 4 |
| Hypobromite | BrO− |
| Bromite | BrO− 2 |
| Bromate | BrO− 3 |
| Perbromate | BrO− 4 |
| Acetate (ethanoate) | CH 3COO− or C 2H 3O− 2 |
| Acetylide | C2− 2 |
| Benzoate | C 6H 5COO− or C 7H 5O− 2 |
| Carbonate | CO2− 3 |
| Oxalate | C 2O2− 4 |
| Chromate | CrO2− 4 |
| Tartrate | C 4H 4O2− 6 |
| Citrate | C 6H 5O3− 7 |
| Cyanide | CN− |
| Cyanate | CNO− |
| Fulminate (methanoate) | CNO− |
| Hypochlorite | ClO− |
| Chlorite | ClO− 2 |
| Chlorate | ClO− 3 |
| Perchlorate | ClO− 4 |
| Dichromate | Cr 2O2− 7 |
| Ferricyanide | [Fe(CN)6]3−. |
| Ferrocyanide | [Fe(CN)6]4−. |
| Dihydrogen phosphate | H 2PO− 4 |
| Hydrogen carbonate (bicarbonate) | HCO− 3 |
| Formate | HCO− 2 |
| Hydrogen sulfate (bisulfate) | HSO− 4 |
| Hydrogen phosphate | HPO2− 4 |
| Hypoiodite | IO− |
| Iodite | IO− 2 |
| Iodate | IO− 3 |
| Periodate | IO− 4 |
| Hydroxide | OH− |
| Azide | N− 3 |
| Nitrite | NO− 2 |
| Nitrate | NO− 3 |
| Peroxide | O2− 2 |
| Manganate | MnO2− 4 |
| Permanganate | MnO− 4 |
| Hexafluorophosphate | PF− 4 |
| Phosphite | PO3− 3 |
| Phosphate | PO3− 4 |
| Thiocyanate | SCN− |
| Metasilicate | SiO2− 3 |
| Silicate | SiO2− 4 |
| Sulfite | SO2− 3 |
| Sulfate | SO2− 4 |
| Thiosulfate | S 2O2− 3 |
| Pyrosulfate (disulfate) | S 2O2− 7 |
| Tetrathionate | S 4O2− 6 |
| Selenate | SeO2− 4 |
| Cations | |
|---|---|
| Ammonium | NH+ 4 |
| Nitronium | NO+ 2 |
| Phosphonium | PH+ 4 |
| Hydronium | H 3O+ |
| Fluoronium | H 2F+ |
| Mercury(I) | Hg2+ 2 |
| Tropylium | C 7H+ 7 |
| Guanidinium | C(NH 2)+ 3 |
References
[1] [2] List of polyatomic ions Tables of Common Polyatomic Ions, including PDB files [3]
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