| NiZnMnO4 | nickel(II) zinc(II) manganese(IV) tetraoxide |
| NiWO4 | nickel(II) wolframate(VI) |
| NiRh2O4 | nickel dirhodium(III) tetraoxide |
| NiMoO4 | nickel(II) molybdate |
| NiMn2O4 | nickel(II) dimanganese(III) tetraoxide |
| NiFe2O4 | nickel(II) iron(III) oxide |
| Na6[Ni(CH3COO)2PCH2CH2P(CH3COO)2].6H2O | hexasodium (1,2-bis(diacetatophosphine)ethane)nickelate hexahydrate |
| Na(NiIO6).H2O | sodium iodohexaoxonickelate hydrate |
| K4[Ni2(CN)6] | tetrapotassium hexacyanodinickelate |
| K4[Ni(NO2)6] | tetrapotassium hexanitritonickelate(II) |
| K2NiF6 | potassium hexafluoronickelate(IV) |
| K2[Ni(SCN)4] | dipotassium tetrakis(thiocyanato)nickelate |
| K2[Ni(NHC(O)NHC(O)NH)2] | dipotassium bis(biuret)nickelate |
| K2[Ni(CN)4] | dipotassium tetrakis(cyano-C)nickelate |
| K2[Ni(CN)3] | dipotassium tricyanonickelate(I) |
| K[Ni(NHC(O)NHC(O)NH)2] | potassium bis(biuret)nickelate |
| Cs4(B11H11)2Ni | tetracesium bis(undecahydroundecaborato)nickelate |
| Cs[Ni(B9C2H11)2] | cesium bis((7,8,9,10,11-eta)unadecahydro-7,8-dicarbaundecaborato)nickelate |
| Al2NiO4 | aluminum(III) nickelate(II) |
| [N(CH3)4]2[Ni(NCC(S)C(S)CN)2] | bis(tetramethylammonium) bis(2,3-dimercapto-2-butenedinitrilato)nickelate(II) |
| [N(CH3)4][NiCl3] | tetramethylammonium trichloronickelate |
| [N(C4H9)4]2[Ni(-CC(O)CC(S)C(S)-)2] | bis(tetrabutylammonium) bis(4,5-dimercapto-4-cyclopentene-1,2,3-trionato-S,S')nickelate(II) |
| [N(C4H9)4]2[Ni(-C(O)C(O)C(S)C(S)-)2] | bis(tetrabutylammonium) bis(3,4-dimercapto-3-cyclobutene-1,2-dionato-S,S')nickelate(II) |
| [N(C4H9)4]2[Ni((-CC(O)C(S)C(S)C(O)-)C(CN)2)2] | bis(tetrabutylammonium) bis((3,4-dimercapto-2,5-dioxo-3-cyclopenten-1-ylidene)propanedinitrilato)nickelate(II) |
| [N(C2H5]4)2[NiBr4] | bis(tetraethylammonium) tetrabromonickelate |
