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'''Ammonium hexafluorogallate''' is an inorganic [[chemical compound]] with the chemical formula {{chem2|(NH4)3GaF6}}.<ref>{{cite web |title=NCATS Inxight Drugs — AMMONIUM HEXAFLUOROGALLATE |url=https://drugs.ncats.io/drug/4X2AHU48WW |publisher=drugs.ncats.io |access-date=31 August 2024 |language=en}}</ref><ref>{{cite book |last1=Lide |first1=David R. |title=CRC Handbook of Chemistry and Physics, 85th Edition |date=29 June 2004 |publisher=[[CRC Press]] |isbn=978-0-8493-0485-9 |page=4-41 |url=https://www.google.ru/books/edition/CRC_Handbook_of_Chemistry_and_Physics_85/WDll8hA006AC?hl=en&gbpv=1&dq=Ammonium+hexafluorogallate&pg=PA14-IA83&printsec=frontcover |access-date=31 August 2024 |language=en}}</ref>
'''Ammonium hexafluorogallate''' is an inorganic [[chemical compound]] with the chemical formula {{chem2|(NH4)3GaF6}}.<ref>{{cite web |title=NCATS Inxight Drugs — AMMONIUM HEXAFLUOROGALLATE |url=https://drugs.ncats.io/drug/4X2AHU48WW |publisher=drugs.ncats.io |access-date=31 August 2024 |language=en}}</ref><ref>{{cite book |last1=Lide |first1=David R. |title=CRC Handbook of Chemistry and Physics, 85th Edition |date=29 June 2004 |publisher=[[CRC Press]] |isbn=978-0-8493-0485-9 |page=4-41 |url=https://.google./books?=&dq=Ammonium+hexafluorogallate&pg=PA14-IA83 |access-date=31 August 2024 |language=en}}</ref>


==Synthesis==
==Synthesis==
A mechanochemical reaction between [[ammonium fluoride]] and gallium fluoride trihydrate ({{chem2|GaF3}}·{{chem2|3H2O}}) at a ratio of 3:1 produces the compound.<ref>{{cite journal |last1=Lu |first1=Jinfeng |last2=Zhang |first2=Qiwu |last3=Wang |first3=Jun |last4=Saito |first4=Fumio |title=Mechanochemical Synthesis of Ammonium Hexafluorogallate |journal=[[Journal of the American Ceramic Society]] |date=September 2004 |volume=87 |issue=9 |pages=1814–1816 |doi=10.1111/j.1551-2916.2004.01814.x |url=https://ceramics.onlinelibrary.wiley.com/doi/abs/10.1111/j.1551-2916.2004.01814.x |access-date=31 August 2024 |language=en |issn=0002-7820}}</ref>
A mechanochemical reaction between [[ammonium fluoride]] and gallium fluoride trihydrate ({{chem2|GaF3}}·{{chem2|3H2O}}) at a ratio of 3:1 produces the compound.<ref>{{cite journal |last1=Lu |first1=Jinfeng |last2=Zhang |first2=Qiwu |last3=Wang |first3=Jun |last4=Saito |first4=Fumio |title=Mechanochemical Synthesis of Ammonium Hexafluorogallate |journal=[[Journal of the American Ceramic Society]] |date=September 2004 |volume=87 |issue=9 |pages=1814–1816 |doi=10.1111/j.1551-2916.2004.01814.x |url=https://ceramics.onlinelibrary.wiley.com/doi/abs/10.1111/j.1551-2916.2004.01814.x |access-date=31 August 2024 |language=en |issn=0002-7820}}</ref>


Also, a reaction of [[gallium(III) hydroxide]], HF, and [[ammonium fluoride]].<ref>{{cite book |last1=Perry |first1=Dale L. |title=Handbook of Inorganic Compounds |date=19 April 2016 |publisher=[[CRC Press]] |isbn=978-1-4398-1462-8 |page=25 |url=https://www.google.ru/books/edition/Handbook_of_Inorganic_Compounds/SFD30BvPBhoC?hl=en&gbpv=1&dq=Ammonium+hexafluorogallate&pg=PA528&printsec=frontcover |access-date=31 August 2024 |language=en}}</ref>
Also, a reaction of [[gallium(III) hydroxide]], HF, and [[ammonium fluoride]].<ref>{{cite book |last1=Perry |first1=Dale L. |title=Handbook of Inorganic Compounds |date=19 April 2016 |publisher=[[CRC Press]] |isbn=978-1-4398-1462-8 |page=25 |url=https://.google./books?=&dq=Ammonium+hexafluorogallate&pg=PA528 |access-date=31 August 2024 |language=en}}</ref>
::{{chem2|Ga(OH)3 + 3 HF + 3 NH4F -> (NH)3GaF6 + 3 H2O}}<ref>{{cite book |last1=Brauer |first1=Georg |title=Handbook of Preparative Inorganic Chemistry V1 |date=2 December 2012 |publisher=[[Elsevier]] |isbn=978-0-323-16127-5 |page=228 |url=https://www.google.ru/books/edition/Handbook_of_Preparative_Inorganic_Chemis/kaa2qeFRXmUC?hl=en&gbpv=1&dq=Ammonium+hexafluorogallate&pg=PR11&printsec=frontcover |access-date=31 August 2024 |language=en}}</ref>
::{{chem2|Ga(OH)3 + 3 HF + 3 NH4F -> (NH)3GaF6 + 3 H2O}}<ref>{{cite book |last1=Brauer |first1=Georg |title=Handbook of Preparative Inorganic Chemistry V1 |date=2 December 2012 |publisher=[[Elsevier]] |isbn=978-0-323-16127-5 |page=228 |url=https://.google./books?=&dq=Ammonium+hexafluorogallate&pg=PR11 |access-date=31 August 2024 |language=en}}</ref>


==Physical properties==
==Physical properties==
Ammonium hexafluorogallate occurs in two polymorphic forms: tetragonal at low temperature and cubic at high temperature, with both transforming reversibly.<ref>{{cite journal |last1=Beck |first1=Lynda K. |last2=Haendler Kugler |first2=Blanca |last3=Haendler |first3=Helmut M. |title=The thermal decomposition of ammonium hexafluorogallate and ammonium hexafluoroindate. New crystalline forms of gallium fluoride and indium fluoride |journal=[[Journal of Solid State Chemistry]] |date=1 December 1973 |volume=8 |issue=4 |pages=312–317 |doi=10.1016/S0022-4596(73)80027-1 |url=https://www.sciencedirect.com/science/article/abs/pii/S0022459673800271 |access-date=31 August 2024 |issn=0022-4596}}</ref>
Ammonium hexafluorogallate occurs in two polymorphic forms: tetragonal at low temperature and cubic at high temperature, with both transforming reversibly.<ref>{{cite journal |last1=Beck |first1=Lynda K. |last2=Haendler Kugler |first2=Blanca |last3=Haendler |first3=Helmut M. |title=The thermal decomposition of ammonium hexafluorogallate and ammonium hexafluoroindate. New crystalline forms of gallium fluoride and indium fluoride |journal=[[Journal of Solid State Chemistry]] |date=1 December 1973 |volume=8 |issue=4 |pages=312–317 |doi=10.1016/S0022-4596(73)80027-1 |url=https://www.sciencedirect.com/science/article/abs/pii/S0022459673800271 |access-date=31 August 2024 |issn=0022-4596}}</ref>


Colorless crystals, soluble in water.<ref>{{cite book |last1=Grushko |first1=Ya M. |title=Handbook of Dangerous Properties of Inorganic And Organic Substances in Industrial Wastes |date=10 September 2020 |publisher=[[CRC Press]] |isbn=978-1-000-11164-4 |page=79 |url=https://www.google.ru/books/edition/Handbook_of_Dangerous_Properties_of_Inor/1nf8DwAAQBAJ?hl=en&gbpv=1&dq=Ammonium+hexafluorogallate&pg=PA79&printsec=frontcover |access-date=31 August 2024 |language=en}}</ref>
Colorless crystals, soluble in water.<ref>{{cite book |last1=Grushko |first1=Ya M. |title=Handbook of Dangerous Properties of Inorganic And Organic Substances in Industrial Wastes |date=10 September 2020 |publisher=[[CRC Press]] |isbn=978-1-000-11164-4 |page=79 |url=https://.google./books?=&dq=Ammonium+hexafluorogallate&pg=PA79 |access-date=31 August 2024 |language=en}}</ref>


== References ==
== References ==

Latest revision as of 07:22, 18 September 2024

Ammonium hexafluorogallate
Names
IUPAC name
triazanium;gallium;hexafluoride
Other names
Triammonium hexafluorogallate(3-)
Identifiers
3D model (JSmol)
ChemSpider
UNII
  • InChI=1S/6FH.Ga.3H3N/h6*1H;;3*1H3/q;;;;;;+3;;;/p-3
    Key: VNTODJFLNIRXQJ-UHFFFAOYSA-K
  • [NH4+].[NH4+].[NH4+].[F-].[F-].[F-].[F-].[F-].[F-].[Ga+3]
Properties
F6GaH12N3
Molar mass 237.830 g·mol−1
Appearance colorless crystals
Density 2.10 g/cm3
soluble
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Ammonium hexafluorogallate is an inorganic chemical compound with the chemical formula (NH4)3GaF6.[1][2]

Synthesis

[edit]

A mechanochemical reaction between ammonium fluoride and gallium fluoride trihydrate (GaF3·3H2O) at a ratio of 3:1 produces the compound.[3]

Also, a reaction of gallium(III) hydroxide, HF, and ammonium fluoride.[4]

Ga(OH)3 + 3 HF + 3 NH4F → (NH)3GaF6 + 3 H2O[5]

Physical properties

[edit]

Ammonium hexafluorogallate occurs in two polymorphic forms: tetragonal at low temperature and cubic at high temperature, with both transforming reversibly.[6]

Colorless crystals, soluble in water.[7]

References

[edit]
  1. ^ "NCATS Inxight Drugs — AMMONIUM HEXAFLUOROGALLATE". drugs.ncats.io. Retrieved 31 August 2024.
  2. ^ Lide, David R. (29 June 2004). CRC Handbook of Chemistry and Physics, 85th Edition. CRC Press. p. 4-41. ISBN 978-0-8493-0485-9. Retrieved 31 August 2024.
  3. ^ Lu, Jinfeng; Zhang, Qiwu; Wang, Jun; Saito, Fumio (September 2004). "Mechanochemical Synthesis of Ammonium Hexafluorogallate". Journal of the American Ceramic Society. 87 (9): 1814–1816. doi:10.1111/j.1551-2916.2004.01814.x. ISSN 0002-7820. Retrieved 31 August 2024.
  4. ^ Perry, Dale L. (19 April 2016). Handbook of Inorganic Compounds. CRC Press. p. 25. ISBN 978-1-4398-1462-8. Retrieved 31 August 2024.
  5. ^ Brauer, Georg (2 December 2012). Handbook of Preparative Inorganic Chemistry V1. Elsevier. p. 228. ISBN 978-0-323-16127-5. Retrieved 31 August 2024.
  6. ^ Beck, Lynda K.; Haendler Kugler, Blanca; Haendler, Helmut M. (1 December 1973). "The thermal decomposition of ammonium hexafluorogallate and ammonium hexafluoroindate. New crystalline forms of gallium fluoride and indium fluoride". Journal of Solid State Chemistry. 8 (4): 312–317. doi:10.1016/S0022-4596(73)80027-1. ISSN 0022-4596. Retrieved 31 August 2024.
  7. ^ Grushko, Ya M. (10 September 2020). Handbook of Dangerous Properties of Inorganic And Organic Substances in Industrial Wastes. CRC Press. p. 79. ISBN 978-1-000-11164-4. Retrieved 31 August 2024.
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