Praseodymium(III) bromide

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Praseodymium(III) bromide
Names
IUPAC name
Tribromopraseodymium
Systematic IUPAC name
Praseodymium(III) bromide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.033.524 OOjs UI icon edit-ltr-progressive.svg
EC Number
  • 236-893-0236-893-0
PubChem CID
  • InChI=1S/3BrH.Pr/h3*1H;/q;;;+3/p-3
    Key: PLKCYEBERAEWDR-UHFFFAOYSA-K
  • Br[Pr](Br)Br
Properties
PrBr3
Molar mass 380.62 g/mol
AppearanceGreen crystalline solid
Density 5.28 g/cm3
Melting point 691 °C (1,276 °F; 964 K) [1] Some sources say 693 °C [2]
Boiling point 1,547 °C (2,817 °F; 1,820 K) [2]
Structure
Tricapped trigonal prismatic
9
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Irritation
GHS labelling:
GHS-pictogram-exclam.svg
Warning
H315, H319
P261, P280, P305+P351+P338
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Praseodymium(III) bromide is a crystalline compound of one praseodymium atom and three bromine atoms. [1] [3]

Contents

Characteristics

Appearance

Praseodymium(III) bromide is a green solid at room temperature. [1] [2] It is usually handled as a powder.

Physical

Praseodymium(III) bromide's molecular weight is 380.62 g. [1] [3] [4] [5] Praseodymium bromide has a density of 5.28 g/cm2. [6] [5]

PrBr3 adopts the UCl3 crystal structure. [7] The praseodymium ions are 9-coordinate and adopt a tricapped trigonal prismatic geometry. [8] The praseodymium–bromine bond lengths are 3.05 Å and 3.13 Å. [9]

Chemical

Praseodymium(III) bromide is hygroscopic. [4] Praseodymium(III) bromide has an oxidation number of 3. [2]

Hazard

Praseodymium(III) bromide can cause skin irritation (H315/R38), eye irritation (H319/R36), and that breathing dust/fume/gas/mist/vapours/spray of Praseodymium(III) bromide should be avoided (P261/S23), that one should wash hands thoroughly after handling (P264), one should wear protective gloves and clothes clothing, and wear eye protection and face protection (P280/S36/S37/S39), and that if one gets Praseodymium(III) bromide in their eyes, that they should wash their eyes cautiously for several minutes, removing contact lenses if possible (P305). [10]

Related Research Articles

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<span class="mw-page-title-main">Gold(III) bromide</span> Chemical compound

Gold(III) bromide is a dark-red to black crystalline solid. It has the empirical formula AuBr3, but exists primarily as a dimer with the molecular formula Au2Br6 in which two gold atoms are bridged by two bromine atoms. It is commonly referred to as gold(III) bromide, gold tribromide, and rarely but traditionally auric bromide, and sometimes as digold hexabromide. As is similar with the other gold halides, this compound is unique for being a coordination complex of a group 11 transition metal that is stable in an oxidation state of +3 whereas copper or silver complexes persist in oxidation states of +1 or +2.

<span class="mw-page-title-main">Vanadium(III) bromide</span> Chemical compound

Vanadium(III) bromide, also known as vanadium tribromide, describes the inorganic compounds with the formula VBr3 and its hydrates. The anhydrous material is a green-black solid. In terms of its structure, the compound is polymeric with octahedral vanadium(III) surrounded by six bromide ligands.

<span class="mw-page-title-main">Tantalum(V) bromide</span> Chemical compound

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Tin(II) bromide is a chemical compound of tin and bromine with a chemical formula of SnBr2. Tin is in the +2 oxidation state. The stability of tin compounds in this oxidation state is attributed to the inert pair effect.

<span class="mw-page-title-main">Indium(III) bromide</span> Chemical compound

Indium(III) bromide, (indium tribromide), InBr3, is a chemical compound of indium and bromine. It is a Lewis acid and has been used in organic synthesis.

<span class="mw-page-title-main">Cerium(III) bromide</span> Chemical compound

Cerium(III) bromide is an inorganic compound with the formula CeBr3. This white hygroscopic solid is of interest as a component of scintillation counters.

<span class="mw-page-title-main">Niobium(V) bromide</span> Chemical compound

Niobium(V) bromide is the inorganic compound with the formula Nb2Br10. Its name comes from the compound's empirical formula, NbBr5. It is a diamagnetic, orange solid that hydrolyses readily. The compound adopts an edge-shared bioctahedral structure, which means that two NbBr5 units are joined by a pair of bromide bridges. There is no bond between the Nb centres. Niobium(V) chloride, niobium(V) iodide, tantalum(V) chloride, tantalum(V) bromide, and tantalum(V) iodide all share this structural motif.

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<span class="mw-page-title-main">Neodymium(III) bromide</span> Chemical compound

Neodymium(III) bromide is an inorganic salt of bromine and neodymium the formula NdBr3. The anhydrous compound is an off-white to pale green solid at room temperature, with an orthorhombic PuBr3-type crystal structure. The material is hygroscopic and forms a hexahydrate in water (NdBr3· 6H2O), similar to the related neodymium(III) chloride.

Samarium(III) bromide is a crystalline compound of one samarium and three bromine atoms with the chemical formula of SmBr3. Samarium(III) bromide is a dark brown powder at room temperature. The compound has a crystal structure isotypic to that of plutonium(III) bromide.

Holmium(III) bromide is a crystalline compound made of one holmium atom and three bromine atoms. Holmium bromide is a yellow powder at room temperature. Holmium bromide is hygroscopic. Holmium bromide is odorless.

Thulium(III) bromide is a crystalline compound of one thulium atom and three bromine atoms. The salt is a white powder at room temperature. It is hygroscopic.

Lutetium(III) bromide is a crystalline compound made of one lutetium atom and three bromine atoms. It takes the form of a white powder at room temperature. It is hygroscopic. It is odorless.

The telluride bromides are chemical compounds that contain both telluride ions (Te2−) and bromide ions (Br−). They are in the class of mixed anion compounds or chalcogenide halides.

Plutonium(III) bromide is an inorganic salt of bromine and plutonium with the formula PuBr3. This radioactive green solid has few uses, however its crystal structure is often used as a structural archetype in crystallography.

<span class="mw-page-title-main">Ruthenium(III) bromide</span> Chemical compound

Ruthenium(III) bromide is a chemical compound of ruthenium and bromine with the formula RuBr3. It is a dark brown solid that decomposes above 400 °C.

Praseodymium compounds are compounds formed by the lanthanide metal praseodymium (Pr). In these compounds, praseodymium generally exhibits the +3 oxidation state, such as PrCl3, Pr(NO3)3 and Pr(CH3COO)3. However, compounds with praseodymium in the +2 and +4 oxidation states, and unlike other lanthanides, the +5 oxidation state, are also known.

<span class="mw-page-title-main">Praseodymium(III) iodide</span> Chemical compound

Praseodymium(III) iodide is an inorganic salt, consisting of the rare-earth metal praseodymium and iodine, with the chemical formula PrI3. It forms green crystals. It is soluble in water.

References

  1. 1 2 3 4 "Praseodymium Bromide". American Elements. Retrieved 20 December 2016.
  2. 1 2 3 4 Winter, Mark. "Praseodymium»praseodymium tribromide [WebElements Periodic Table]". www.webelements.com. Retrieved 20 December 2016.
  3. 1 2 "Praseodymium bromide Br3Pr - PubChem". pubchem.ncbi.nlm.nih.gov. Retrieved 20 December 2016.
  4. 1 2 Chambers, Michael. "ChemIDplus - 0013536533 - PLKCYEBERAEWDR-UHFFFAOYSA-K - Praseodymium bromide (PrBr3) - Similar structures search, synonyms, formulas, resource links, and other chemical information". chem.nlm.nih.gov. Retrieved 20 December 2016.
  5. 1 2 Phillips, edited by Dale L. Perry, Sidney L. (1995). Handbook of inorganic compounds. Boca Raton: CRC Press. p. 323. ISBN   9780849386718.{{cite book}}: |first1= has generic name (help)CS1 maint: multiple names: authors list (link)
  6. ↑ "Information on praseodymium bromide: Etacude.com". chemicals.etacude.com. Retrieved 20 December 2016.
  7. ↑ Wells, A. F. (1984). Structural Inorganic Chemistry (5th ed.). Oxford University Press. p. 421. ISBN   978-0-19-965763-6.
  8. ↑ Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. pp. 1240–1241. ISBN   978-0-08-037941-8.
  9. ↑ Schmid, B.; Hälg, B.; Furrer, A. (1987). "Structure and crystal fields of PrBr3 and PrCl3: A neutron study". J. Appl. Phys. 61 (8): 3426–3428. Bibcode:1987JAP....61.3426S. doi:10.1063/1.338741.
  10. ↑ "Praseodymium Bromide | ProChem, Inc". prochemonline.com. Retrieved 20 December 2016.
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