Chemistry:Nickel double salts
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Nickel can form various double salts.
Tutton's salts
Nickel is one of the metals that can form Tutton's salts. The singly charged ion can be any of the full range of potassium, rubidium, cesium, ammonium (NH4), or thallium.[1]
Mineral forms
As a mineral the ammonium nickel salt, (NH4)2Ni(SO4)2 • 6H2O, can be called nickelboussingaultite.[2] With sodium, the double sulfate is nickelblödite Na2Ni(SO4)2 • 4H2O from the blödite family. Nickel can be substituted by other divalent metals of similar sized to make mixtures that crystallise in the same form.[3]
Langbeinites
Double halides
Fluorides
Double fluorides include the fluoroanion salts, and those fluoronickelates such as NiF4 and NiF6:[4]
- KNiF3·H2O and NaNiF3·H2O – apple green coloured
- aluminium nickel pentafluoride (AlNiF5·7H2O)
- ceric nickelous decafluoride (Ce2NiF10·7H2O)
- niobium nickel fluoride (Ni3H4Nb2F20·19H2O)
- vanadium nickel pentafluoride (VNiF5·7H2O)
- vanadyl nickel tetrafluoride (VONiF4·7H2O)
- chromic nickelous pentafluoride (CrNiF5·7H2O)
- molybdenum nickel dioxytetrafluoride (NiMoO2F4·6H2O)
- tungsten nickel dioxytetrafluoride hexahydrate (NiWO2F4·6H2O) and decahydrate (NiWO2F4·10H2O)
- manganic nickel pentafluoride (MnNiF4·7H2O)
- nickelous ferric fluoride (FeNiF5·7H2O)
Chlorides
Trichlorides
Nickel trichloride double salts exist which are polymers. Nickel is in octahedral coordination, with double halogen bridges. Examples of this include RbNiCl3, pinkish tan coloured H2NN(CH3)3NiCl3.[5]
Other double trichlorides include:
- potassium nickel trichloride (KNiCl3·5H2O)[6]
- yellow cesium nickel trichloride (CsNiCl3)[6]
- lithium nickel trichloride (LiNiCl3·3H2O)[6]
- nickel ammonium chloride hexahydrate (NH4NiCl3·6H2O)[7]
Tetrachlorides
The tetrachloronickelates contain a tetrahedral NiCl42− and are dark blue. Some salts of organic bases are ionic liquids at standard conditions.[8] Tetramethylammonium nickel trichloride is pink and very insoluble.[9]
Other tetrachlorides include:
- hyrdrazinium nickel tetrachloride[6]
- lithium nickel tetrachloride (Li2NiCl4·4H2O) – stable from 23 to 60°[10]
- rubidium nickel tetrachloride[10]
- stannous nickel tetrachloride (SnCl2·NiCl2·6H2O)[10]
Hexachlorides
Double hexachlorides include:
- cadmium dinickel hexachloride (CdCl2•2NiCl2•12H2O) – crystallises in hexagonal system[10]
- dicadmium dinickel hexachloride (2CdCl2•NiCl2•12H2O) – rhombic crystals, pleochroic varying from light to dark green.[10]
- stannic nickel hexachloride (SnCl4·NiCl2·6H2O) – tetragonal[10]
Octochlorides
Thallic nickel octochloride 2TlCl3·NiCl2·8H2O is bright green.[10]
Oxychlorides
Copper nickel dioxychloride 2CuO·NiCl2·6H2O and copper nickel trioxychloride 3CuO·NiCl2·4H2O exist.[6]
Bromides
Double bromides include the tetrabromonickelates. Other salts include:[11][12]
- caesium nickel tribromide (CsNiBr3)
- copper nickel trioxybromide (3CuO·NiBr2·4H2O)
- didymium nickel bromide (2(Pr,Nd)Br3·3NiBr2·18H2O) – reddish brown, mixture of praseodymium and neodymium
- lanthanum nickel bromide (2LaBr3·3NiBr2·18H2O)
- mercuric nickel bromides (Hg2NiBr6) and (HgNiBr4)
- mercuric nickel oxybromide (6NiO·NiBr2•HgBr2•20H2O) – prepared by reacting nickel bromide with mercuric oxide
- nickel stannic bromide or nickel bromostannate (NiSnBr6·8H2O) – apple green
Iodides
Double iodides include:[13]
- mercuric nickel hexaiodide (2HgI2·NiI2 • 6H2O)
- mercuric nickel tetraiodide (HgI2·NiI2 • 6H2O)
- lead nickel hexaiodide (I2·2NiI2 • 3H2O)
Double nitrates
Lanthanides
Nickel forms double nitrates with the lighter rare-earth elements. The solid crystals have the formula Ni3Me2(NO3)12•24H2O. The metals include La, Ce, Pr, Nd, Sm, Gd and the non rare earth Bi. Nickel can also be replaced by similar divalent ions Mg, Mn, Co, and Zn. For the nickel salts melting temperatures range from 110.5° for La, 108.5° for Ce, 108° for Pr, 105.6° for Nd, 92.2° for Sm and down to 72.5° for Gd, the Bi salt melting at 69°. Crystal structure is hexagonal with Z=3.[14] Ni3La2(NO3)12•24H2O becomes ferromagnetic below 0.393 K.[15] These double nickel nitrates have been used to separate the rare earth elements by fractional crystallization.[16]
Actinides
Nickel thorium nitrate has formula NiTh(NO3)6 • 8H2O. Nickel atoms can be substituted by other ions with radius 0.69 to 0.83 Å. The nitrates are coordinated on the thorium atom and the water to the nickel. Enthalpy of solution of the octahydrate is 7 kJ/mol. Enthalpy of formation is -4360 kJ/mol. At 109° the octahydrate becomes NiTh(NO3)6•6H2O, and at 190° NiTh(NO3)6•3H2O and anhydrous at 215°.[17] The hexahydrate has Pa3 cubic structure.[17]
Double nitrites
Double amides
Various double amides containing nickel clusters have been made using liquid ammonia as a solvent. These are called amidonickel compounds.[18]
These include:
- Li3Ni4(NH2)11·NH3 (Pna21; Z = 4; a = 16.344(3) Å; b = 12.310(2) Å; c = 8.113(2) Å v=1631 D=1.942) – red[18]
- Li4Ni4(NH2)12·NH3, Na2Ni(NH2)4[19]
- Na2Ni(NH2)4•NH3[18]
- Na2Ni(NH2)4•2NH3[20] – orange red
- K2Ni(NH2)4•0.23KNH2[18]
- Rb2Ni(NH2)4•0.23RbNH2[18]
- Cs2Ni(NH2)4•NH3 (P21/c; Z = 4; a =9.553(3) Å; b = 8.734(3) Å; c = 14.243(3) Å; β = 129.96(3)° V=910 D=2.960)[18]
Double hydrides
Double hydrides of nickel exist, such as Mg2NiH4.[21]
Double dihydrogen phosphides
Nickel dihydrogen phosphide (Ni(PH2)2) can form orange, green or black double salts KNi(PH2)3) that crystallise from liquid ammonia. They are unstable above -78 °C, giving off ammonia, phosphine and hydrogen.[22]
Double tetrafluoroberyllates
Nickel forms double salts with Tutton's salt structure with tetrafluoroberyllate and a range of cations including ammonia,[23] potassium, rubidium, cesium,[24] and thallium.[25]
Other minerals
Some minerals are double salts, for example nickelzippeite Ni2(UO2)6(SO4)3(OH)10 · 16H2O which is isomorphic to cobaltzippeite, magnesiozippeite and zinczippeite, part of the zippeite group.[26]
Table of nickel double salts
| formula | name | mol | struct | cell Å | ° | V | Z | density | colour | refs | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| wt | a | b | c | β | Å3 | g/cm3 | ||||||
| Li2[NiF(PO4)] | Lithium nickel fluorophosphate | 186.56 | orthorhombic | 10.473 | 6.289 | 10.846 | 714.3 | 8 | 3.469 | [27] | ||
| Na2[NiF(PO4)] | sodium nickel fluorophosphate | 218.645 | Pbcn | 90 | 823.4 | [28] | ||||||
| Na2Ni(SO4)2 • 4H2O | nickelblödite | 368.867 | monoclinic | 11.045 | 8.193 | 5.535 | 100.50 | 2.487 | green | [29] | ||
| K2Ni2(SO4)3 | potassium nickel trisulfate | 483.77 | orthorhombic | 9.8436 | 9.8436 | 9.8436 | 90 | 3.369 | [30] | |||
| Rb2Ni2(SO4)3 | rubidium nickel trisulfate | 576.51 | 9.9217 | 9.9217 | 9.9217 | 90 | 3.921 | [31] | ||||
| (NH4)2Ni2(SO4)3 | ammonium nickel trisulfate | 441.65 | orthorhombic | 9.904 | 9.904 | 9.904 | 90 | 3.02 | [32] | |||
| (NH4)4Ni3(SO4)5 | ammonium nickel pentasulfate | 728.56 | yellow | [33] | ||||||||
| NiLa(SeO3)2Cl | nickel lanthanum diselenite chloride | 486.977 | hexagonal | 8.666 | 18.662 | 1194.2 | 6 | (153K) | [34] | |||
| NiNd10(SeO3)12Cl8 | nickel Neodymium diselenite chloride | monoclinic | 15.8175 | 1578,68 | 19.276 | 114.202 | 7407 | 4 | (153K) | [35] | ||
| Ni6Fe3+2(SO4)(OH)16 • 4H2O | honessite | 904.08 | trigonal | 3.083 | 26.71 | 219.86 | 0.25 | 1.71 | green | [36] | ||
| NiTi(SO4)3 | nickel titanium sulfate | monoclinic | 8.254 | 8.54 | 14.1444 | 124.967 | 817 | 4 | 3.21 | [37] | ||
| Na2Ni(SeO4)2 • 2H2O | sodium nickel selenate dihydrate | triclinic | 5.507 | 5.905 | 7.172 | α = 108.56 °, β = 99.07 °, γ = 106.35 ° | 204.2 | 1 | [38] | |||
| K2Ni(SeO4)2 • 2H2O | potassium nickel selenate dihydrate | [39] | ||||||||||
| K2Ni(SeO4)2 • 6H2O | potassium nickel selenate Tuttons salt | 527.52 | monoclinic | a | b | c | 104.45 | 4 | 2.559 | bright green | [40] | |
| Rb2Ni(SeO4)2 • 6H2O | rubidium nickel selenate Tuttons salt | 619.62 | monoclinic | a | b | c | 105.20 | 4 | 2.856 | bright green | [40] | |
| Cs2Ni(SeO4)2 • 6H2O | caesium nickel selenate Tuttons salt | 713.62 | monoclinic | 9.426 | 12.961 | 6.473 | 106.17 | 759.5 | 2 | 3.114 | bright emerald green | [40][41] |
| (NH4)2Ni(SeO4)2 • 6H2O | ammonium nickel selenate Tuttons salt | 485.68 | monoclinic | a | b | c | 106.29 | 4 | 2.243 | bright green | [40] | |
| Tl2Ni(SeO4)2 • 6H2O | thallium nickel selenate Tuttons salt | monoclinic | a | b | c | 105.60 | 4 | 3.993 | bright green | [42] | ||
| K2NiP2O7 | 310.85 | monoclinic P21 | 9.230 | 17.540 | 8.32 | 91.44 | 1346.3 | 8 | 3.067 | [43] | ||
| K6Sr2Ni5(P2O7)5 | 786.55 | monoclinic P21/c | 11.038 | 9.53 | 7.438 | 100.13 | 1578 | 2 | 3.309 | yellow | [43] | |
| NaNi2(SO4)2[(H2O)(OH)] | monoclinic C2/m Natrochalcite-type | 8.605 | 6.185 | 7.336 | 114.78 | 354.5 | 2 | [44] | ||||
| BaNi2(PO4)2 | barium nickel phosphate | Trigonal R-3 | 4.8112 | 4.8112 | 23.302 | 467.1 | 3 | green | [45] | |||
| BaNi2(AsO4)2 | barium nickel arsenate | Trigonal R-3 | 4.945 | 4.945 | 23.61 | 532.59 | 3 | 5.31 | [45] | |||
| BaNi2(VO4)2 | barium nickel vanadate | Trigonal R-3 | 5.0375 | 5.0375 | 22.33 | 3 | [46] | |||||
| Na4Ni7(AsO4)6 | tetrasodium heptanickel hexaarsenate | 1336.3 | monoclinic C2/m | 14.538 | 14.505 | 10.6120 | 118.299 | 1970.3 | 4 | brown | [47] | |
| K2Ni(CO3)2 • H2O | potassium nickel carbonate Potassium tetraaquadicarbonatonickelate |
monoclinic Baylissite-type | 6.755 | 6.156 | 12.2406 | 113.265 | 467.6 | 2 | 2.34 | [48] | ||
| Rb2Ni(CO3)2 • H2O | Rubidium nickel carbonate | monoclinic Baylissite-type | 6.971 | 6.348 | 12.2807 | 114.289 | 495.34 | 2 | 2.83 | [49] | ||
| NiTh(NO3)6 • 8H2O | nickel thorium nitrate | Monoclinic P21/c | 9.089 | 8.728 | 13.565 | 96.65 | 1068.8(2) | [17] | ||||
| K[NiGa2(PO4)3(H2O)2] | Potassium nickel(II) gallium phosphate hydrate | 558.17 | Monoclinic C2/c | 13.209 | 10.173 | 8.813 | 107.68 | 1128.4 | Z = 4 | [50] | ||
| KNi3(PO4)P2O7 | Potassium trinickel(II) orthophosphate diphosphate | 484.14 | Monoclinic | 9.8591 | 9.3953 | 9.9778 | 118.965 | 808.63 | 4 | [51] | ||
| KNiPO4 | potassium nickel phosphate | [52] | ||||||||||
| KNiPO4 • 6H2O | potassium nickel phosphate hexahydrate | monoclinic P21 | 6.8309 | 11.0610 | 6.1165 | 91.045 | 462.07 | 2 | [53] | |||
| NiK4(P3O9)2 • 7H2O | nickel potassium tricyclophosphate hydrate | orthorhombic Fm2m | 23.03 | 11.882 | 8.732 | 4 | blue | [54] | ||||
| NiK4(P3O9)2 | nickel potassium tricyclophosphate | triclinic P-1 | 6.143 | 6.80 | 12.80 | α=102.8 β=89.7 γ=66.03 | 473.56 | 1 | [54] | |||
| NaK5Ni5(P2O7)4 | Sodium pentapotassium pentanickel tetra(diphosphate) | 1207.80 | triclinic | 7.188 | 9.282 | 10.026(5) | α=109.31 β=90.02 γ=104.07 | 610.0 | 1 | [55] | ||
| NH 4NiPO 4 · H2O |
ammonium nickel phosphate hydrate | orthorhombic | 5.566 | 8.760 | 4.742 | 231.2 | [56] | |||||
| NH 4NiPO 4 · 6H2O |
ammonium nickel phosphate hydrate Ni-struvite |
Orthorhombic Pmn21 | 6.924 | 6.104 | 11.166 | 471.5 | 2 | [57][58][59] | ||||
| LiNiPO4 | lithium nickel phosphate | orthorhombic | 10.032 | 5.855 | 4.681 | 274.9 | 4 | brown | [60] | |||
| NaNiPO4 | sodium nickel phosphate | Pnma maricite structure | 8.7839 | 6.7426 | 5.0368 | 298.31 | 4 | yellow | [61] | |||
| NaNiPO4 | sodium nickel phosphate | Pnma triphylite form | 4.98 | 6.13 | 9.98 | 304.23 | [62] | |||||
| Na4Ni7(PO4)6 | Cm | 10.550 | 13.985 | 6.398 | 104.87 | 912.4 | 2 | 3.906 | [61][63] | |||
| NaNiPO4 • 7H2O | sodium nickel phosphate heptahydrate | tetrahedral P42/mmc | 6.7390 | 10.9690 | 498.15 | 2 | [53] | |||||
| Na3NiP3O10 • 12H2O | trisodium nickel triphosphate dodecahydrate | monoclinic (pseudoorthorhombic) | 15.0236 | 9.1972 | 14.6654. | 90.0492 | 2014.46 | 1.967 | light green | [64] | ||
| Na5Ni2(PO4)3 • H2O | Pentasodium dinickel triphosphate hydrate | monoclinic space group P21/n | 14.0395 | 5.185 | 16.4739 | 110.419 | [65] | |||||
| Na6Ni2(PO4)3OH | orthorhombic Pcmb | 7.501 | 21.4661 | 7.173 | [65] | |||||||
| Na2Ni3(OH)2(PO4)2 | sodium nickel hydroxide phosphate | monoclinic | 14.259 | 5.695 | 4.933 | 104.28 | 2 | 3.816 | [66] | |||
| NiNa4(P3O9)2 • 6H2O | nickel tetrasodium cyclotriphosphate hexahydrate | triclinic | 6.157 | 6.820 | 10.918 | α=80.21 β=97.8 γ=119.5 | 409.8 | 1 | [67] | |||
| NiRb4(P3O9)2 | nickel tetrarubidium cyclotriphosphate | P-31c | 7.288 | 7.288 | 20.343 | 2 | [68] | |||||
| NiCs4(P3O9)2 • 6H2O | nickel tetracaesium cyclotriphosphate hydrate | orthorhombic | 19.992 | 6.500 | 18.445 | 4 | [54] | |||||
| NiCs4(PO3)6 | nickel tetracaesium cyclotriphosphate | rhombohedral P-31c | 11.602 | 11.602 | 9.078 | 1058.24 | 2 | [54] | ||||
| NiAg4(P3O9)2 • 6H2O | nickel tetrasilver cyclotriphosphate hexahydrate | triclinic | 9.209 | 8.053 | 6.841 | α=89.15 β=102.94 γ=97.24 | 1 | [69] | ||||
| NiAg4(P3O9)2 | nickel tetrasilver cyclotriphosphate | triclinic | 6.100 | 6.783 | 10.764 | α = 78.66 β=96.85 γ=113.36 | 401 | 1 | [69] | |||
| Ni(NH4)4(P3O9)2 • 4H2O | nickel tetraammonium cyclotriphosphate tetrahydrate | monoclinic | 2 | [70] | ||||||||
| TlNi4(PO4)3 | Thallium nickel triphosphate | orthorhombic Cmc21 | 4 | pale yellow | [71] | |||||||
| Tl4Ni6(PO4)6 | Thallium nickel hexaphosphate | monoclinic Cm | 4 | yellow brown | [71] | |||||||
| Tl2Ni4P2O7(PO4)2 | monoclinic C2/c | 8 | brown | [71] | ||||||||
| NiMnSb | Nickel manganese antimonide | cubic | 5.945 | 210.1 | 4 | 7.57 | [72] | |||||
| NiMnSi | Nickel manganese silicide | Orthorhombic | 5.8967 | 3.6124 | 6.9162 | 147.32 | 4 | [73][74] | ||||
| NiMnGe | orthorhombic Pnma | 6.053 | 3.769 | 7.090 | 161.75 | 2 | [75] | |||||
| NiFeGe | hexagonal | [75] | ||||||||||
| TiNiSi | orthorhombic | [75] | ||||||||||
| NaNiIO6 | sodium nickel periodate | orthorhombic | 8.599 | 2.492 | 10.281 | 220.3 | [76] | |||||
| KNiIO6 | potassium nickel periodate | orthorhombic | 12.09 | 3.683 | 6.062 | 269.9 | [76] | |||||
| KNiIO6 | potassium nickel periodate | triclinic | 6.4203 | 5.075 | 4.223 | α= 65.07 β= 92.717 γ=109.95 | 116.51 | [76] | ||||
References
- ↑ Wang, Xia; Xinxin Zhuang; Genbo Su; Youping He (2008). "A new ultraviolet filter: Rb2Ni(SO4)2.6H2O (RNSH) single crystal". Optical Materials 31 (2): 233–236. doi:10.1016/j.optmat.2008.03.020. ISSN 0925-3467. Bibcode: 2008OptMa..31..233W. http://ir.fjirsm.ac.cn/bitstream/350002/5857/1/Wang-2008-A%20new%20ultraviolet%20fi.pdf.
- ↑ "Nickelboussingaultite: Nickelboussingaultite mineral information and data.". http://www.mindat.org/min-2896.html.
- ↑ "Nickelblödite: Nickelblödite mineral information and data.". http://www.mindat.org/min-2890.html.
- ↑ Mellor 405-406
- ↑ Goedken, V. L.; Vallarino, L. M.; Quagliano, J. V. (December 1971). "Cationic ligands. Coordination of the 1,1,1-trimethylhydrazinium cation to nickel(II)". Inorganic Chemistry 10 (12): 2682–2685. doi:10.1021/ic50106a011.
- ↑ 6.0 6.1 6.2 6.3 6.4 Mellor p419
- ↑ Haynes, W. M., ed (2014). CRC Handbook of Chemistry and Physics (95 ed.). CRC Press. pp. 4–77–4–78. ISBN 978-1-4822-0867-2.
- ↑ Meredith, M. Brett; McMillen, C. Heather; Goodman, Jonathan T.; Hanusa, Timothy P. (August 2009). "Ambient temperature imidazolium-based ionic liquids with tetrachloronickelate(II) anions". Polyhedron 28 (12): 2355–2358. doi:10.1016/j.poly.2009.04.037.
- ↑ Cotton, F. A.; Faut, O. D.; Goodgame, D. M. L. (January 1961). "Preparation, Spectra and Electronic Structures of Tetrahedral Nickel(II) Complexes Containing Triphenylphosphine and Halide Ions as Ligands". Journal of the American Chemical Society 83 (2): 344–351. doi:10.1021/ja01463a021. Bibcode: 1961JAChS..83..344C.
- ↑ 10.0 10.1 10.2 10.3 10.4 10.5 10.6 Mellor p420
- ↑ "Inorganic chemistry Abstracts". Journal of the Chemical Society, Abstracts 46: 1254. 1884. doi:10.1039/CA8844601254.
- ↑ Mellor 457
- ↑ Mellor, J. W. (1946). "Nickel". A Comprehensive Treatise on Inorganic and Theoretical Chemistry Volume XV Ni Ru, Rh Pd, Os, Ir. https://archive.org/details/b2980789x_0015/. Retrieved 17 January 2019.
- ↑ Jantsch, G. (11 June 1912). "Zur Kenntnis der Doppelnitrate der seltenen Erden. II. Mitteilung". Zeitschrift für anorganische Chemie 76 (1): 303–323. doi:10.1002/zaac.19120760112. https://zenodo.org/record/1428132.
- ↑ Mess, K.W.; Lagendijk, E.; Zimmerman, N.J.; Van Duyneveldt, A.J.; Giesen, J.J.; Huiskamp, W.J. (July 1969). "Magnetic and caloric study of the phase transitions of copper, nickel, manganese and cobalt lanthanum double nitrate". Physica 43 (2): 165–208. doi:10.1016/0031-8914(69)90001-9. Bibcode: 1969Phy....43..165M.
- ↑ Urbain, G. (1 July 1904). "Sur une terre yttrique voisine du gadolinium". Comptes rendus hebdomadaires des séances de l'Académie des sciences 139 (7): 736–738. http://gallica.bnf.fr/ark:/12148/bpt6k30930/f736.image.r=. Retrieved 14 July 2016.
- ↑ 17.0 17.1 17.2 Chernorukov, N. G.; Knyazev, A. V.; Sazonov, A. A. (11 October 2009). "Synthesis, structure, and physicochemical properties of bivalent element hexanitratothorates". Radiochemistry 51 (5): 437–440. doi:10.1134/S1066362209050014. Bibcode: 2009Radch..51..437C.
- ↑ 18.0 18.1 18.2 18.3 18.4 18.5 Tenten, A.; Jacobs, H. (December 1991). "Substitutionsvarianten von Nickel(II) amid: ternäre amidoniccolate mit Lithium und Caesium Li3Ni4(NH2)11•NH3 und Cs2Ni(NH2)4•NH3". Journal of Alloys and Compounds 177 (2): 193–217. doi:10.1016/0925-8388(91)90074-6.
- ↑ Jacobs, Herbert; Niewa, Rainer; Sichla, Thomas; Tenten, Andreas; Zachwieja, Uwe (January 1997). "Metal nitrogen compounds with unusual chemical bonding: nitrides, imides, amides and ammine complexes". Journal of Alloys and Compounds 246 (1–2): 91–100. doi:10.1016/S0925-8388(96)02458-9.
- ↑ Tenten, A.; Jacobs, H. (October 1991). "Partielle Substitution von Nickel durch Natrium in Nickel(II)-amid: Isolierte Na4Ni2(NH2)8•4NH3-Einheiten in Natriumtetraamidoniccolat(II)-diammoniakat" (in de). Zeitschrift für anorganische und allgemeine Chemie 604 (1): 113–126. doi:10.1002/zaac.19916040115.
- ↑ Reilly, James J.; Wiswall, Richard H. (November 1968). "Reaction of hydrogen with alloys of magnesium and nickel and the formation of Mg2NiH4". Inorganic Chemistry 7 (11): 2254–2256. doi:10.1021/ic50069a016.
- ↑ Schmitz-DuMont, O.; Uecker, G.; Schaal, W. (October 1969). "Dihydrogenphosphide und Dihydrogenphosphidosalze der Übergangsmetalle. I. Nickel(II)-dihydrogenphosphid und Kalium-tris-[dihydrogen-phosphido]-niccolat (II)". Zeitschrift für anorganische und allgemeine Chemie 370 (1–2): 67–79. doi:10.1002/zaac.19693700108.
- ↑ Montgomery, H. (15 September 1980). "Diammonium nickel bis(tetrafluoroberyllate)hexahydrate". Acta Crystallographica Section B 36 (9): 2121–2123. doi:10.1107/S0567740880008060. Bibcode: 1980AcCrB..36.2121M.
- ↑ Rây, Nirmalendunath (18 April 1936). "Fluoberyllate und ihre Analogie mit Sulfaten. IV. Doppelsalze mit Rubidium- und Cäsiumfluoberyllaten" (in de). Zeitschrift für anorganische und allgemeine Chemie 227 (1): 32–36. doi:10.1002/zaac.19362270105.
- ↑ Bose, A.; Mitra, S. C.; Datta, S. K. (11 November 1958). "The Behaviour of the Paramagnetic Ions in the Single Crystals of Some Similarly Constituted Salts of the Iron Group of Elements. II. Hydrated NiFormula Salts". Proceedings of the Royal Society A 248 (1253): 153–168. doi:10.1098/rspa.1958.0236. Bibcode: 1958RSPSA.248..153B.
- ↑ "Nickelzippeite: Nickelzippeite mineral information and data.". http://www.mindat.org/min-2898.html.
- ↑ Dutreilh, M.; Chevalier, C.; El-Ghozzi, M.; Avignant, D.; Montel, J.M. (January 1999). "Synthesis and Crystal Structure of a New Lithium Nickel Fluorophosphate Li2[NiF(PO4)] with an Ordered Mixed Anionic Framework". Journal of Solid State Chemistry 142 (1): 1–5. doi:10.1006/jssc.1998.7908. Bibcode: 1999JSSCh.142....1D.
- ↑ Ellis, Brian L.; Makahnouk, W. R. Michael; Rowan-Weetaluktuk, W. N.; Ryan, D. H.; Nazar, Linda F. (9 February 2010). "Crystal Structure and Electrochemical Properties of A2MPO4F Fluorophosphates (A=Na, Li; M=Fe, Mn, Co, Ni)". Chemistry of Materials 22 (3): 1059–1070. doi:10.1021/cm902023h.
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