manganese(III) chloride, bis(triphenylphopshine oxide)
Names
Systematic IUPAC name
trichloridobis(triphenylphopshineoxide)manganese(III)
Other names
MnCl3 (OPPh3 )2
Identifiers
InChI=1S/2C18H15OP.3ClH.Mn/c2*19-20(16-10-4-1-5-11-16,17-12-6-2-7-13-17)18-14-8-3-9-15-18;;;;/h2*1-15H;3*1H;/q;;;;;+3/p-3
Key: QFCMPBNNKDBSLH-UHFFFAOYSA-K
[Mn+3].[Cl-].[Cl-].[Cl-].O=P(c1ccccc1)(c2ccccc2)c3ccccc3.O=P(c1ccccc1)(c2ccccc2)c3ccccc3
Properties
C 36 H 30 Cl 3 Mn O 2 P 2
Molar mass
717.87 g·mol−1
Appearance
blue solid
Melting point
140 °C (284 °F; 413 K) (with decomposition)
μeff = 4.96 μB.H. (solid-state), 4.83 μB.H. (DCM)
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
Chemical compound
Bis(triphenylphosphineoxide) manganese(III) chloride is a coordination complex of manganese(III) chloride . Unlike most compounds containing "Mn(III)Cl3 ", [MnCl3 (OPPh3 )2 ] can be stored under normal laboratory conditions.[ 1] It is a blue, paramagnetic solid.
Synthesis and reactions
Treatment of meta-stable solutions of Mn(III)Cl3 with triphenylphosphine oxide results in precipitation of solid [MnCl3 (OPPh3 )2 ]. This compound was first prepared using the thermally unstable ethereal adduct (dioxane )Mn(III)Cl3 .[ 2] A convenient synthesis starts from Mn(OAc)2 , trimethylsilylchloride , and potassium permanganate .[ 3]
[MnCl3 (OPPh3 )2 ] can be used as a starting material in coordination chemistry .[ 3]
[MnCl3 (OPPh3 )2 ] can also be used as a stoichiometric reagent in alkene dihalogenation reactions.[ 3]
References
Manganese(-I) Manganese(0) Manganese(I) Manganese(II) Manganese(II,III) Manganese(II,IV) Manganese(III) Manganese(IV) Manganese(V) Manganese(VI) Manganese(VII)
Salts and covalent derivatives of the
chloride ion