Terbium(III) chloride

Terbium(III) chloride  |

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Names
Other names

terbium trichloride

Identifiers

CAS Number

* 10042-88-3 Y

3D model (JSmol)

* Interactive image

EC Number |

* 233-132-

PubChem CID

* 61458

UNII |

* 804HI855F8 N

InChI

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

SMILES

* 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) (in HCl 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 pictograms |
GHS Signal word | warning
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 YN ?)
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.

## Contents

* 1 Preparation
* 2 Properties
* 3 Applications
* 4 Hazards
* 5 References

## Preparation

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

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

Terbium(III) chloride is used in the semiconductor industry.[9] 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 dopant in solid-state devices.[10]

## Hazards

Terbium(III) chloride causes hyperemia of the iris.[11] Conditions/substances to avoid are: heat, acids and acid fumes.

## References

1. ↑ GHS: Sigma-Alderich 204560
2. ↑ Wells A.F. (1984) Structural Inorganic Chemistry 5th edition Oxford Science Publications ISBN:0-19-855370-6
3. ↑ 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. doi:10.1016/S1002-0721(08)60253-7.
4. ↑ Webelements: Terbium
5. ↑ Lide, David R., ed (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.
6. ↑ Paetzold, Peter (2009-09-10) (in de). Chemie: Eine Einführung. Walter de Gruyter. ISBN 978-3-11-021135-1. https://books.google.com/books?id=rVuSsDZr5CAC&pg=PA204.
7. ↑ Trotter, J., ed. Metals. Structure reports A. Dordrecht: Reidel. ISBN 978-90-277-2385-7.
8. ↑ 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.
9. ↑ Americanelements: Terbium Chloride
10. ↑ METALL RARE EARTH LIMITED: Terbium chloride
11. ↑ George C. Y. Chiou (1999). Ophthalmic toxicology (2nd ed.). CRC Press. ISBN 1-56032-722-7.

* v
* t
* e

Terbium compounds

Terbium(III)|

* TbBr3
* TbCl3
* TbF3
* TbI3
* Tb(NO3)3
* Tb2O3

Terbium(III,IV)|

* Tb4O7

Terbium(IV)|

* TbSi2
* TbO2
* TbF4

* v
* t
* e

Salts and covalent derivatives of the chloride ion

HCl |  |  |  | He

|
|
|
|

LiCl | BeCl2 | BCl3
B2Cl4 | CCl4 | NCl3
ClN3 | Cl2O
ClO2
Cl2O7 | ClF
ClF3
ClF5 | Ne
NaCl | MgCl2 | AlCl
AlCl3 | SiCl4 | P2Cl4
PCl3
PCl5 | S2Cl2
SCl2
SCl4 | Cl2 | Ar
KCl | CaCl
CaCl2 | ScCl3 | TiCl2
TiCl3
TiCl4 | VCl2
VCl3
VCl4
VCl5 | CrCl2
CrCl3
CrCl4 | MnCl2 | FeCl2
FeCl3 | CoCl2
CoCl3 | NiCl2 | CuCl
CuCl2 | ZnCl2 | GaCl2
GaCl3 | GeCl2
GeCl4 | AsCl3
AsCl5 | Se2Cl2
SeCl4 | BrCl | KrCl
RbCl | SrCl2 | YCl3 | ZrCl3
ZrCl4 | NbCl4
NbCl5 | MoCl2
MoCl3
MoCl4
MoCl5
MoCl6 | TcCl4 | RuCl3 | RhCl3 | PdCl2 | AgCl | CdCl2 | InCl
InCl2
InCl3 | SnCl2
SnCl4 | SbCl3
SbCl5 | Te3Cl2
TeCl4 | ICl
ICl3 | XeCl
XeCl2
CsCl | BaCl2 |  | HfCl4 | TaCl5 | WCl2
WCl3
WCl4
WCl5
WCl6 | Re3Cl9
ReCl4
ReCl5
ReCl6 | OsCl4 | IrCl2
IrCl3
IrCl4 | PtCl2
PtCl4 | AuCl
AuCl3 | Hg2Cl2,
HgCl2 | TlCl | PbCl2,
PbCl4 | BiCl3 | PoCl2,
PoCl4 | AtCl  | RnCl2
FrCl | RaCl2 |  | Rf  | Db  | Sg  | Bh  | Hs  | Mt  | Ds  | Rg  | Cn  | Nh  | Fl  | Mc  | Lv  | Ts  | Og
| ↓  |  |
LaCl3 | CeCl3 | PrCl3 | NdCl2,
NdCl3 | PmCl3 | SmCl2,
SmCl3 | EuCl2,
EuCl3 | GdCl3 | TbCl3 | DyCl2,
DyCl3 | HoCl3 | ErCl3 | TmCl2
TmCl3 | YbCl2
YbCl3 | LuCl3
AcCl3 | ThCl4 | PaCl5 | UCl3
UCl4
UCl5
UCl6 | NpCl4 | PuCl3 | AmCl2
AmCl3 | CmCl3 | BkCl3 | CfCl3 | EsCl3 | Fm  | Md  | No  | LrCl3

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