Iodine monobromide

Iodine monobromide
Names
	IUPAC name Iodine monobromide
	Other names Iodine bromide
Identifiers
CAS Number	7789-33-5 ;
3D model (JSmol)	Interactive image;
ChemSpider	74216 ;
PubChem CID	82238;
UNII	G0K622RD9N ;
	InChI InChI=1S/BrI/c1-2 Key: CBEQRNSPHCCXSH-UHFFFAOYSA-N ; InChI=1/BrI/c1-2 Key: CBEQRNSPHCCXSH-UHFFFAOYAO;
	SMILES BrI;
Properties
Chemical formula	IBr
Molar mass	206.904 g/mol
Appearance	dark red solid
Melting point	42 °C (108 °F; 315 K)
Boiling point	116 °C (241 °F; 389 K)
Related compounds
Other anions	iodine monochloride, iodine monofluoride
Related interhalogen compounds	Iodine monochloride; Iodine monofluoride; Bromine monochloride
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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	Infobox references

Iodine monobromide is an interhalogen compound with the formula IBr. It is a dark red solid that melts near room temperature.^[1] Like iodine monochloride, IBr is used in some types of iodometry. It serves as a source of I⁺. Its Lewis acid properties are compared with those of ICl and I₂ in the ECW model. It can form CT adducts with Lewis donors.^[2]

Iodine monobromide is formed when iodine and bromine are combined in a chemical reaction:.^[3]

I₂ + Br₂ → 2 IBr

References

↑ Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN 978-0-08-037941-8.
↑ Aragoni, M. Carla; Arca, Massimiliano; Demartin, Francesco; Devillanova, Francesco A.; Garau, Alessandra; Isaia, Francesco; Lippolis, Vito; Verani, Gaetano (2005-06-16). "DFT calculations, structural and spectroscopic studies on the products formed between IBr and N,N′-dimethylbenzoimidazole-2(3H)-thione and -2(3H)-selone" (in en). Dalton Transactions (13): 2252–2258. doi:10.1039/B503883A. ISSN 1477-9234. PMID 15962045. https://pubs.rsc.org/en/content/articlelanding/2005/dt/b503883a.
↑ M. Schmeisser (1963). "Iodine bromide IBr". in G. Brauer. Handbook of Preparative Inorganic Chemistry, 2nd Ed.. 1. NY, NY: Academic Press. pp. 291.

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[1] Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN 978-0-08-037941-8.

[2] Aragoni, M. Carla; Arca, Massimiliano; Demartin, Francesco; Devillanova, Francesco A.; Garau, Alessandra; Isaia, Francesco; Lippolis, Vito; Verani, Gaetano (2005-06-16). "DFT calculations, structural and spectroscopic studies on the products formed between IBr and N,N′-dimethylbenzoimidazole-2(3H)-thione and -2(3H)-selone" (in en). Dalton Transactions (13): 2252–2258. doi:10.1039/B503883A. ISSN 1477-9234. PMID 15962045. https://pubs.rsc.org/en/content/articlelanding/2005/dt/b503883a.

[3] M. Schmeisser (1963). "Iodine bromide IBr". in G. Brauer. Handbook of Preparative Inorganic Chemistry, 2nd Ed.. 1. NY, NY: Academic Press. pp. 291.

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v t e Iodine compounds
Iodine(-I)	HI AtI ICN I⁻
Iodine(I)	HIO ICl IF IBr
Iodine(III)	HIO₂ ICl₃ IF₃
Iodine(V)	HIO₃ IF₅ I₂O₅
Iodine(VII)	HIO₄ H₅IO₆ IF₇

Iodine monobromide

Topic: Chemistry

References