# Species Formula 3231 Trichromate ion (Geo)O10Cr3 3232 Manganese, cationMn 3233 Manganese, atomMn 3234 Bicyclopentadienyl manganeseC10H10Mn 3235 Manganese(III) nitrideNMn 3236 Manganese(III) nitride (Geo)NMn 3237 Mn(II)(NH3)6H18N6Mn 3238 Mn(II)(NH3)6 (Geo)H18N6Mn 3239 Manganese(II) oxideOMn 3240 Manganese(II) oxide (Geo)OMn 3241 Mn(CO)C8 (BUTMNC) (Geo) C9H12OMn 3242 Mn(CO)C8 (BUTMNC)C9H12OMn 3243 Manganese (IV) dioxide, anionO2Mn 3244 Manganese (V) trioxideO3Mn 3245 Methyl manganese(VI) trioxide (Geo)CH3O3Mn 3246 Cyclopentadienyl manganese tricarbonylC8H5O3Mn 3247 Mn(CO)3Cp (CPMNCO) (Geo)C8H5O3Mn 3248 Mn(CO)3C5 (HEXMNC) (Geo)C9H7O3Mn 3249 Mn(CO)3C5 (HEXMNC)C9H7O3Mn 3250 Permanganate anion (Geo)O4Mn 3251 Permanganate anionO4Mn