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| | EINECS = | | EINECS = | ||
| | PubChem = | | PubChem = | ||
| | StdInChI = | | StdInChI = 1S/3H3N.4S.V/h3*1H3;;;;;/q;;;;3*-1;/p+3 | ||
| | StdInChIKey = | | StdInChIKey = SJFCDLDHOZFGTN-UHFFFAOYSA-Q | ||
| | SMILES = | | SMILES = ...(=S)() | ||
| }} | }} | ||
| | Section2 = {{Chembox Properties | | Section2 = {{Chembox Properties | ||
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| ==Physical properties== | ==Physical properties== | ||
| Ammonium tetrathiovanadate forms violet crystals of ].<ref>{{cite book |last1=Donnay |first1=Joseph Désiré Hubert |title=Crystal Data: Inorganic compounds |date=1973 |publisher=National Bureau of Standards |page=200 |url=https:// |
Ammonium tetrathiovanadate forms violet crystals of ].<ref>{{cite book |last1=Donnay |first1=Joseph Désiré Hubert |title=Crystal Data: Inorganic compounds |date=1973 |publisher=National Bureau of Standards |page=200 |url=https://books.google.com/books?id=5lVCBwmZsLYC&dq=Ammonium+tetrathiovanadate&pg=RA3-PA200 |access-date=24 December 2024 |language=en}}</ref> | ||
| ==Chemical properties== | ==Chemical properties== | ||
| Like other ammonium salts, ammonium tetrathiovanadate decomposes when heated:<ref>{{cite journal |last1=Prasad |first1=T. P. |last2=Müller |first2=A. |title=Thermal decompositions of (NH4)2WSe4 and (NH4)3VS4 under normal and reduced nitrogen pressures |journal=Journal of Thermal Analysis |date=December 1976 |volume=10 |issue=3 |pages=369–373 |doi=10.1007/BF01909888 |access-date=24 December 2024|url=https://link.springer.com/article/10.1007/BF01909888}}</ref> | Like other ammonium salts, ammonium tetrathiovanadate decomposes when heated:<ref>{{cite journal |last1=Prasad |first1=T. P. |last2=Müller |first2=A. |title=Thermal decompositions of (NH4)2WSe4 and (NH4)3VS4 under normal and reduced nitrogen pressures |journal=] |date=December 1976 |volume=10 |issue=3 |pages=369–373 |doi=10.1007/BF01909888 |access-date=24 December 2024|url=https://link.springer.com/article/10.1007/BF01909888}}</ref> | ||
| ::{{chem2|(NH4)3VS4 -> 6NH3↑ + 3H2S↑ + V2S5}} | ::{{chem2|(NH4)3VS4 -> 6NH3↑ + 3H2S↑ + V2S5}} | ||
| ::{{chem2|V2S5 -> V2S3 + 2S}} | ::{{chem2|V2S5 -> V2S3 + 2S}} | ||
Latest revision as of 06:07, 26 December 2024
| Names | |
|---|---|
| Other names Ammonium tetrathiovanadate(V) | |
| Identifiers | |
| CAS Number | |
| 3D model (JSmol) | |
InChI
| |
SMILES
| |
| Properties | |
| Chemical formula | H12N3S4V |
| Molar mass | 233.30 g·mol |
| Appearance | violet crystals |
| Density | g/cm |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references | |
Ammonium tetrathiovanadate is a chemical compound with the chemical formula (NH4)3VS4.
Physical properties
Ammonium tetrathiovanadate forms violet crystals of orthorhombic symmetry.
Chemical properties
Like other ammonium salts, ammonium tetrathiovanadate decomposes when heated:
- (NH4)3VS4 → 6NH3↑ + 3H2S↑ + V2S5
- V2S5 → V2S3 + 2S
References
- "CAS 14693-56-2 Ammonium tetrathiovanadate(v),99 - Alfa Chemistry". alfa-chemistry.com. Retrieved 24 December 2024.
- Scott, C. E.; Embaid, B. P.; Gonzalez-Jimenez, F.; Hubaut, R.; Grimblot, J. (1 March 1997). "Behavior of Iron–Vanadium Sulfide Catalysts for Hydrotreating Reactions". Journal of Catalysis. 166 (2): 333–339. doi:10.1006/jcat.1997.1526. ISSN 0021-9517. Retrieved 24 December 2024.
- Donnay, Joseph Désiré Hubert (1973). Crystal Data: Inorganic compounds. National Bureau of Standards. p. 200. Retrieved 24 December 2024.
- Prasad, T. P.; Müller, A. (December 1976). "Thermal decompositions of (NH4)2WSe4 and (NH4)3VS4 under normal and reduced nitrogen pressures". Journal of Thermal Analysis and Calorimetry. 10 (3): 369–373. doi:10.1007/BF01909888. Retrieved 24 December 2024.