formula |
name |
Ni Ox |
structure |
Remarks |
references |
(NH4)2NiF4 |
ammonium tetrafluoronickelate |
2 |
|
Fuse NiCl2 with NH4F, light green color |
[1][2] |
(NH4)2NiF4·2H2O |
ammonium tetrafluoronickelate dihydrate |
2 |
|
Formed from Ni(OH)2 and NH4F in water |
[3] |
K2NiF4 |
potassium tetrafluoronickelate |
2 |
|
|
[1] |
Rb2NiF4 |
rubidium tetrafluoronickelate |
2 |
|
|
[1] |
Ba2NiF6 |
barium nickel fluoride |
2 |
|
yellow square plates cas=18115-49-6 |
[4] |
Pb2NiF6 |
lead(II)nickel(II) fluoride |
2 |
|
cas=27037-78-1 |
[4] |
Li3NiF6 |
|
3 |
Pna2 C92v a=9.60 Å b=8.37 Å c=4.09 Å Z=4 density=3.27 / 3.24 |
formed at 500° 70 bar F2 |
[5][6] |
Na3NiF6 |
sodium hexafluoronickelate |
3 |
|
violet cas=22707-99-9 |
[4] |
K3NiF6 |
potassium hexafluoronickelate |
3 |
|
violet cas=14881-07-3 |
[4][7] |
KCs2NiF6 |
dicesium potassium hexafluoronickelate |
3 |
|
lilac colour cas=53479-35-9 |
[4] |
|
Li2NiF6 |
lithium hexafluoronickelate |
4 |
hexagonal a=8.321 Å c=4.598 Å V=275.7 Å3 Z=3 |
pink sol 0.5 g/100 g HF at 0° |
[5][7] |
(O2)2NiF6 |
dioxygenyl hexafluoronickelate |
|
|
possibly existing, decompose 10° |
[8][9] |
(NO2)2NiF6 |
dinitronium hexafluoronickelate |
4 |
|
ΔH=-471 kJ/mol, ΔH0f=-1120 |
[10] |
Na2NiF6 |
sodium hexafluoronickelate |
4 |
cubic; or tetragonal |
purple red |
[11] |
K2NiF6 |
potassium hexafluoronickelate |
4 |
K2PtCl6 structure |
red cas=17218-47-2 |
[11] |
CaNiF6 |
calcium hexafluoronickelate |
4 |
|
ΔH=-363 kJ/mol, ΔH0f=-1951 kJ/mol sold as a fluorine source |
[10] |
Rb2NiF6 |
rubidium hexafluoronickelate |
4 |
K2PtCl6 structure |
red cas=17218-48-3 |
[11] |
Cs2NiF6 |
Cesium hexafluoronickelate |
4 |
K2PtCl6 structure |
red cas=17218-49-4 |
[11] |
SrNiF6 |
strontium hexafluoronickelate |
4 |
|
red cas=66456-12-0 |
[11] |
BaNiF6 |
barium hexafluoronickelate |
4 |
K2PtCl6 structure |
red cas=66456-13-1 |
[11] |
(NF4)2NiF6 |
bis-tetrafluoroammonium hexafluoronickelate |
4 |
tetragonal K2PtCl6 structure |
red cas=63105-40-8 |
[11] |
(ClF2O)NiF6 |
bis [difluorooxychlorine (V)] hexafluoronickelate (IV) |
4 |
|
deep purple, stable to 60 °C |
[12][13] |