“Ammonium cerium(IV) sulfate”的意思、由来-开放百科全书

词条

Ammonium cerium(IV) sulfate

释义

Structure
References

{{Chembox
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid = 422716405
| ImageFile = Ammonium-cerium(IV)-sulfate-sample.jpg
| Section1 = {{Chembox Identifiers
| CASNo_Ref = {{cascite|correct|??}}
| CASNo = 10378-47-9
| PubChem = 71308344
| ChemSpiderID_Ref = {{chemspidercite|changed|chemspider}}
| ChemSpiderID = 17339565
| InChI=1S/Ce.4H3N.4H2O4S.2H2O/c;;;;;4*1-5(2,3)4;;/h;4*1H3;4*(H2,1,2,3,4);2*1H2/q+4;;;;;;;;;;/p-4
| InChIKey = VCNAMBGKEDPVGQ-UHFFFAOYSA-J
| SMILES = [Ce+4].[O-]S(=O)(=O)[O-].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.O.O.[NH4+].[NH4+].[NH4+].[NH4+]
| Section2 = {{Chembox Properties
| Formula = H₂₀N₄S₄O₁₈Ce
| MolarMass = 632.55 g/mol
| Appearance = Orange-colored solid
| MeltingPtC = 130
| Solubility = soluble in water
| Section3 = {{Chembox Hazards
| MainHazards = Irritant
| NFPA-S = OX
| NFPA-F = 1
| NFPA-H = 2
| NFPA-R =
| FlashPt =
| GHSPictograms = {{GHS07}}
| GHSSignalWord= Warning
| HPhrases = {{H-phrases|315|319|335}}
| PPhrases = {{P-phrases|261|262|264|280|302+352|305+351+338|314|362|332+313|337+313}}^[1]
| AutoignitionPt =
| Section4 = {{Chembox Related
| OtherCompounds = Cerium(IV) sulfate
}}

Ammonium cerium(IV) sulfate is an inorganic compound with the formula (NH₄)₄Ce(SO₄)₄^.2 H₂O. It is an orange-colored solid. It is a strong oxidant, the potential for reduction is about +1.44V. Cerium(IV) sulfate is a related compound.

Structure

A crystallographic study shows that the compound contains the Ce₂(SO₄)₈⁸⁻ anion, where the cerium atoms are 9 coordinated by oxygen atoms belonging to sulfate groups, in a distorted tricapped trigonal prism.^[2]

References

1. ^{{cite web|title = Cerium(IV) Ammonium Sulfate Dihydrate|url = https://www.americanelements.com/cerium-iv-ammonium-sulfate-dihydrate-10378-47-9|publisher = American Elements|accessdate = September 13, 2018}}
2. ^{{cite journal|last1=Shan|first1=Y.|last2=Huang|first2=S. D.|title=(NH4)8[Ce2(SO4)8] .4H2O|journal=Acta Crystallographica Section C|volume=54|issue=12|year=1998|pages=1744–1745|issn=0108-2701|doi=10.1107/S0108270198007057}}

4 : Cerium(IV) compounds|Sulfates|Ammonium compounds|Oxidizing agents

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