Ammonium 6 molybdenum colate (II)
Crystal structure | |||||||
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Hexamolybdoniccolate ion in ammonium 6-molybdoniccolate | |||||||
General | |||||||
Surname | Ammonium 6 molybdenum colate (II) | ||||||
other names |
Ammonium hexa-μ3-hydroxynickelate hexa-μ-oxododecaoxohexamolybdate (4-) |
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Ratio formula | (NH 4 ) 4 H 6 NiMo 6 O 24 | ||||||
Brief description |
light blue crystalline solid |
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External identifiers / databases | |||||||
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properties | |||||||
Molar mass | 1096.59 g mol −1 | ||||||
Physical state |
firmly |
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solubility |
moderately soluble in cold, somewhat better in hot water |
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safety instructions | |||||||
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
When ammonium-6-molybdoniccolat (II) is a polyoxometalate species of molybdenum .
presentation
To prepare ammonium 6-molybdonic colate (II), ammonium heptamolybdate tetrahydrate is reacted with nickel sulfate in boiling water . Then ammonium chloride is added.
properties
Ammonium-6-molybdoniccolate (II) is a heteropolymolybdate that forms light blue crystals. It crystallizes in the space group P 2 1 / a (space group no. 14, position 3) with the lattice parameters a = 11.99 Å , b = 11.13 Å, c = 11.38 Å and β = 109.3 ° .
Individual evidence
- ↑ a b c d Georg Brauer (Ed.) U. a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume III, Ferdinand Enke, Stuttgart 1981, ISBN 3-432-87823-0 , p. 1787.
- ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
- ↑ Kurz, Philipp; Stock, Norbert: Synthetic Inorganic Chemistry: Basic Course. Berlin: Walter de Gruyter, 2013. ISBN 978-3-11-025875-2 , p. 78.
- ↑ U. Lee, H.-C. Joo, JS Kwon: Tetraammonium hexahydrogen hexamolybdonickelate (II) tetrahydrate, (NH 4 ) 4 [H 6 NiMo 6 O 24 ] · 4 H 2 O. In: Acta Crystallographica , E58, 2002, pp. I6-i8, doi: 10.1107 / S1600536801021109 .