Americium(III) bromide

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| ImageFile = AmBr3(H2O)n after Et2O wash.jpg

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| IUPACName = Americium(III) bromide

| OtherNames = Americium tribromide

| Section1 = {{Chembox Identifiers

| CASNo = 14933-38-1

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| InChI=1S/Am.3BrH/h;3*1H/q+3;;;/p-3

| InChIKey = XENOUKVNIOSNMO-UHFFFAOYSA-K

| SMILES = [Br-].[Br-].[Br-].[Am+3]

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| Section2 = {{Chembox Properties

| Am=1 | Br=3

| Appearance = White crystalline solid{{Cite web|url=http://www.webelements.com/compounds/americium/americium_tribromide.html|title=WebElements Periodic Table » Americium » americium tribromide}}

| Density = 6850 kg/m³

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| Section3 = {{Chembox Structure

| Structure_ref ={{cite journal | last=Zachariasen | first=W. H. | title=Crystal chemical studies of the 5f-series of elements. I. New structure types | journal=Acta Crystallographica | publisher=International Union of Crystallography (IUCr) | volume=1 | issue=5 | date=1948-11-02 | issn=0365-110X | doi=10.1107/s0365110x48000703 | pages=265–268| bibcode=1948AcCry...1..265Z }}

| CrystalStruct = Plutonium(III) bromide structure type (orthorhombic)

| SpaceGroup = Ccmm

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| LattConst_a = 12.6

| LattConst_b = 4.10

| LattConst_c = 9.10

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| Section4 = {{Chembox Hazards

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| Section8 = {{Chembox Related

| Related_ref =

| OtherAnions =Americium(III) fluoride
Americium(III) chloride
Americium(III) iodide

| OtherCations =Plutonium(III) bromide
Curium(III) bromide
Europium(III) bromide

| OtherFunction =Americium(II) bromide

| OtherFunction_label =americium bromides

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Americium(III) bromide or americium tribromide is the chemical compound composed of americium and bromine with the formula AmBr₃, with americium in a +3 oxidation state. The compound is a crystalline solid.{{cite journal | last=Fried | first=Sherman | title=The Preparation of Anhydrous Americium Compounds | journal=Journal of the American Chemical Society | publisher=American Chemical Society (ACS) | volume=73 | issue=1 | year=1951 | issn=0002-7863 | doi=10.1021/ja01145a135 | pages=416–418}}