Manganese pentacarbonyl bromide

Manganese pentacarbonyl bromide is an organomanganese compound with the formula BrMn(CO)₅. It is a bright orange solid that is a precursor to other manganese complexes. The compound is prepared by treatment of dimanganese decacarbonyl with bromine:^[1]

Mn₂(CO)₁₀ + Br₂ → 2 BrMn(CO)₅

Quick facts Names, Identifiers ...

Manganese pentacarbonyl bromide

Names
Other names bromopentacarbonylmanganese
Identifiers
CAS Number	14516-54-2 Y
3D model (JSmol)	Interactive image
ChemSpider	13488738
ECHA InfoCard	100.035.005
EC Number	238-522-8
PubChem CID	10978692
InChI InChI=1S/5CO.BrH.Mn/c5*1-2;;/h;;;;;1H;/q;;;;;;+1/p-1 Key: OESORJHGSXJTKX-UHFFFAOYSA-M
SMILES [C-]#[O+].[C-]#[O+].[C-]#[O+].[C-]#[O+].[C-]#[O+].[Mn].[Br-]
Properties
Chemical formula	C5BrMnO5
Molar mass	274.892 g·mol−1
Appearance	orange solid
Hazards
GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H302, H312, H332
Precautionary statements	P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P312, P322, P330, P363, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

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The complex undergoes substitution by a variety of donor ligands (L), e.g. to give derivatives of the type BrMn(CO)₃L₂.

The complex adopts an octahedral coordination geometry.^[2]

Manganese pentacarbonyl bromide is a precursor to the arene complexes [(η⁶-arene)Mn(CO)₃]⁺.^[3]