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Contents

   



(Top)
 


1 Preparation  





2 Properties  





3 Applications  





4 Hazards  





5 References  














Terbium(III) chloride






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From Wikipedia, the free encyclopedia
 


Terbium(III) chloride
Names
Other names

terbium trichloride

Identifiers

CAS Number

3D model (JSmol)

ECHA InfoCard 100.030.108 Edit this at Wikidata
EC Number
  • 233-132-

PubChem CID

UNII

CompTox Dashboard (EPA)

  • InChI=1S/3ClH.Tb/h3*1H;/q;;;+3/p-3

  • Cl[Tb](Cl)Cl

Properties

Chemical formula

TbCl3
Molar mass 265.2834 g/mol
Appearance white powder
Density 4.35 g/cm3, solid
Melting point 558 °C (1,036 °F; 831 K)
Boiling point 180 to 200 °C (356 to 392 °F; 453 to 473 K) (inHCl gas atmosphere)

Solubility in water

soluble
Structure

Crystal structure

hexagonal (UCl3 type), hP8

Space group

P63/m, No. 176

Coordination geometry

Tricapped trigonal prismatic
(nine-coordinate)
Hazards
GHS labelling:[1]

Pictograms

GHS07: Exclamation mark

Signal word

Warning

Hazard statements

H315, H319

Precautionary statements

P302+P352, P305+P351+P338
Related compounds

Other anions

Terbium(III) oxide

Other cations

Gadolinium(III) chloride
Dysprosium(III) chloride

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

☒N verify (what is checkY☒N ?)

Infobox references

Terbium(III) chloride (TbCl3) is a chemical compound. In the solid state TbCl3 has the YCl3 layer structure.[2] Terbium(III) chloride frequently forms a hexahydrate.

Preparation

[edit]

The hexahydrate of terbium(III) chloride can be obtained by the reaction of terbium(III) oxide and hydrochloric acid:[3]

Tb2O3 + 6 HCl → 2 TbCl3 + 3 H2O

It can also be obtained by direct reaction of the elements:[4]

2 Tb + 3 Cl2 → 2 TbCl3

Properties

[edit]

Terbium(III) chloride is a white, hygroscopic powder.[5] It crystallizes in an orthorhombic plutonium(III) bromide crystal structure with space group Cmcm (No. 63).[6][7] It can form a complex Tb(gly)3Cl3·3H2O with glycine.[8]

Applications

[edit]

The hexahydrate plays an important role as an activator of green phosphors in color TV tubes and is also used in specialty lasers and as a dopantinsolid-state devices.[9]

Hazards

[edit]

Terbium(III) chloride causes hyperemia of the iris.[10] Conditions/substances to avoid are: heat, acids and acid fumes.

References

[edit]
  • ^ Wells A.F. (1984) Structural Inorganic Chemistry 5th edition Oxford Science Publications ISBN 0-19-855370-6
  • ^ XU Lijuan (许丽娟), LI Yanqiu (李艳秋), LI Xia (李 夏) (2009). "Synthesis, crystal structure and characterization of one-dimension complex constructed by terbium(III) and 2-iodobenzoate". Journal of Rare Earths. 27 (3): 372–375. Bibcode:2009JREar..27..372X. doi:10.1016/S1002-0721(08)60253-7.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  • ^ Webelements: Terbium
  • ^ Lide, David R.; CRC Press, eds. (2006). CRC handbook of chemistry and physics: a ready-reference book of chemical and physical data (87. ed., 2006-2007 ed.). Boca Raton, Fla.: CRC, Taylor & Francis. ISBN 978-0-8493-0487-3.
  • ^ Paetzold, Peter (2009-09-10). Chemie: Eine Einführung (in German). Walter de Gruyter. ISBN 978-3-11-021135-1.
  • ^ Trotter, J., ed. (30 November 1986). Metals. Structure reports A. Dordrecht: Reidel. ISBN 978-90-277-2385-7.
  • ^ 郑平, 陈文生, 张洪权,等. 量热法测定氯化铽甘氨酸配合物及其配离子的标准生成焓[J]. 湖北大学学报(自科版), 2011, 33(3):270-274.
  • ^ METALL RARE EARTH LIMITED: Terbium chloride
  • ^ George C. Y. Chiou (1999). Ophthalmic toxicology (2nd ed.). CRC Press. ISBN 1-56032-722-7.

  • Retrieved from "https://en.wikipedia.org/w/index.php?title=Terbium(III)_chloride&oldid=1228420209"

    Categories: 
    Chlorides
    Lanthanide halides
    Terbium compounds
    Hidden categories: 
    CS1 maint: multiple names: authors list
    CS1 German-language sources (de)
    Chemical pages without ChemSpiderID
    Articles without EBI source
    Articles without KEGG source
    ECHA InfoCard ID from Wikidata
    Articles with changed FDA identifier
    Chembox having GHS data
    Articles containing unverified chemical infoboxes
    Articles with short description
    Short description matches Wikidata
     



    This page was last edited on 11 June 2024, at 04:10 (UTC).

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