Neodymium(III) bromide

Names
IUPAC name

Tribromoneodymium

Identifiers

CAS Number

* 13536-80-6

3D model (JSmol)

* Interactive image

ChemSpider |

* 75394

EC Number |

* 236-897-2

PubChem CID

* 83564

InChI

* InChI=1S/3BrH.Nd/h3*1H;/q;;;+3/p-3

Key: LBWLQVSRPJHLEY-UHFFFAOYSA-K

SMILES

* Br[Nd](Br)Br

Properties

Chemical formula

| NdBr3
Molar mass | 383.95g (anhydrate)
492.05 (hexahydrate)
Appearance  | Off-white to pale green powder
Density | 5.3 g/cm2
Melting point |  684 °C (1,263 °F; 957 K)[2]
Boiling point |  1,540 °C (2,800 °F; 1,810 K)[1]
Structure

Crystal structure

| Bicapped trigonal prismatic[3]

Coordination geometry

| 8[3]
Hazards
Safety data sheet | N-MSDS0052
GHS pictograms |
GHS Signal word | Warning[4]

GHS hazard statements

| H315, H319, H335[4]

GHS precautionary statements

| P261, P280, P305+351+338, P304+340, P405, P501[4][5]

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

Infobox references

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.[6][7] The material is hygroscopic[8][9] and forms a hexahydrate in water (NdBr3· 6H2O), similar to the related neodymium(III) chloride.[10]

## Contents

* 1 Preparation
* 2 Structure
* 3 Related compounds
* 4 References

## Preparation

The direct reaction of neodymium with bromine can create neodymium(III) bromide:

2Nd + 3Br2 → 2NdBr3

In the presence of carbon, neodymium(III) oxide reacts with carbon tetrabromide to produce neodymium(III) bromide.[11]

## Structure

Neodymium(III) bromide adopts the plutonium(III) bromide crystal structure.[12] The neodymium ions are 8-coordinate and adopt a bicapped trigonal prismatic geometry.[13] The neodymium–bromine bond lengths are 3.07 Å and 3.09 Å.[14]

## Related compounds

Neodymium(III) bromide forms compounds with hydrazine, such as NdBr3·N2H4·2H2O, which is a pink crystal that is soluble in water but insoluble in benzene, with d20°C = 3.2376 g/cm3.[15]

## References

1. ↑ "Neodymium(III) bromide | CAS 13536-80-6". https://www.scbt.com/scbt/product/neodymium-iii-bromide-13536-80-6.
2. ↑ Elements, American. "Neodymium(III) Bromide". https://www.americanelements.com/neodymium-iii-bromide-13536-80-6.
3. ↑ 3.0 3.1 Winter, Mark. "Neodymium»neodymium tribromide [WebElements Periodic Table"]. https://www.webelements.com/compounds/neodymium/neodymium_tribromide.html. Retrieved 20 December 2016.
4. ↑ 4.0 4.1 4.2 "Neodymium Bromide | ProChem, Inc.". https://prochemonline.com/product/neodymiumbromide-2626.
5. ↑ "Neodymium (III) bromide, ultra dry, 99.99% (metals basis)". http://lanhit.ru/en/proview.php?code=75.
6. ↑ Peter Paetzold (2009) (in German), Chemie Eine Einführung, Walter de Gruyter, p. 204, ISBN 978-3-11-021135-1
7. ↑ Peterson, J.R.; Heathman, S.; Benedict, U. (March 1993). "Energy dispersive X-ray diffraction analysis of NdBr3 at pressures up to 52 GPa". Journal of Alloys and Compounds 193 (1–2): 306–308. doi:10.1016/0925-8388(93)90380-6.
8. ↑ R. Blachnik (2013) (in German), Taschenbuch für Chemiker und Physiker Band 3: Elemente, anorganische Verbindungen und Materialien, Minerale, Springer-Verlag, p. 634, ISBN 978-3-642-58842-6
9. ↑ David R. Lide (Hrsg.): CRC Handbook of Chemistry and Physics. 90\. Auflage. (Internet-Version: 2010), CRC Press/Taylor and Francis, Boca Raton, FL, Properties of the Elements and Inorganic Compounds, S. 4-77.
10. ↑ "NEODYMIUM BROMIDE | 13536-80-6". http://www.chemicalbook.com/ChemicalProductProperty_EN_CB4343967.htm.
11. ↑ Borisov, G. K.; Krasnova, S. G.; Khrenova, R. I. Preparation of anhydrous bromides of some lanthanidesTemplate:Ru. Zhurnal Neorganicheskoi Khimii, 1971. 16(22): 2899-2901.
12. ↑ Wells, A. F. (1984). Structural Inorganic Chemistry (5th ed.). Oxford University Press. p. 421. ISBN 978-0-19-965763-6.
13. ↑ Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. pp. 1240–1241. ISBN 978-0-08-037941-8.
14. ↑ Zachariasen, W. H. (1948). "Crystal chemical studies of the 5f-series of elements. I. New structure types". Acta Crystallogr. 1 (5): 265–268. doi:10.1107/S0365110X48000703.
15. ↑ Izvestii︠a︡ vysshikh uchebnykh zavedeniĭ: Khimii︠a︡ i khimicheskai︠a︡ tekhnologii︠a︡, Tập 16,Số phát hành 1 (Ivanovskiĭ khimiko-tekhnologicheskiĭ in-t, 1973), trang 181. Retrieved on December 21, 2020.

* v
* t
* e

Neodymium compounds

* NdAl3(BO3)4
* NdBr3
* NdCl3
* NdF3
* Nd(OH)3
* NdNiO3
* NdN
* Nd(NO3)3
* Nd2O3
* Nd2(SO4)3

* v
* t
* e

Bromine compounds

Bromide (I)|

* AgBr
* CsBr
* HBr
* IBr
* KBr
* LiBr
* BrN3
* NaBr
* RbBr
* TlBr
* Hg2Br2
* InBr

Bromide (III)|

* InBr3
* IrBr3
* LaBr3
* LuBr3
* MoBr3
* NBr3
* NdBr3
* PBr3
* PrBr3
* ReBr3
* SbBr3
* SmBr3
* TbBr3
* TmBr3
* UBr3
* VBr3
* YBr3
* YbBr3
* AlBr3
* AmBr3
* AsBr3
* AuBr3
* BBr3
* B2Br4
* BiBr3
* HfBr3
* CeBr3
* CrBr3
* CsBr3
* DyBr3
* ErBr3
* EuBr3
* FeBr3
* GaBr3
* GdBr3
* HoBr3

Bromide (IV)|

* GeBr4
* HfBr4
* PbBr4
* SeBr4
* SiBr4
* SnBr4
* TeBr4
* ThBr4
* TiBr4
* UBr4
* WBr4
* ZrBr4
* CBr4

Bromide (II)|

* CrBr2
* DyBr2
* HfBr2
* BaBr2
* BeBr2
* CaBr2
* CdBr2
* CoBr2
* CuBr2
* EuBr2
* FeBr2
* GeBr2
* HgBr2
* MgBr2
* MnBr2
* NiBr2
* PbBr2
* PdBr2
* PtBr2
* RaBr2
* S2Br2
* Se2Br2
* SnBr2
* SrBr2
* TeBr2
* YbBr2
* ZnBr2

Bromide (V)|

* NbBr5
* PBr5
* TaBr5
* UBr5
* WBr5

Chlorides and fluorides|

* BrCl
* BrF3
* BrF5

Oxides|

* BrO2
* Br2O
* Br2O3
* Br2O5

Chemical formulas

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*[H319]: Causes serious eye irritation
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