Manganese Carbonyl
Title: Manganese Carbonyl
CAS Registry Number: 10170-69-1
CAS Name: Decacarbonyldimanganese
Molecular Formula: C10Mn2O10
Molecular Weight: 389.98
Percent Composition: C 30.80%, Mn 28.17%, O 41.03%
Line Formula: Mn2(CO)10
Literature References: First prepd by reduction of MnI2 with a Grignard reagent under CO pressure: Hurd et al., J. Am. Chem. Soc. 71, 1899 (1949). Improved prepns: Brimm et al., ibid. 76, 3831 (1954); Closson, ibid. 80, 6167 (1958); Podall et al., ibid. 82, 1325 (1960); Calderazzo, Inorg. Chem. 4, 293 (1965). Crystal structure: Dahl, Rundle, Acta Crystallogr. 16, 419 (1963); molecular structure: Almenningen et al., Acta Chem. Scand. 23, 685 (1969). Reviews: Organic Syntheses via Metal Carbonyls vol. 1, I. Wender, P. Pino, Eds. (Interscience, New York, 1968) passim; Anisimov et al., Usp. Khim. 37, 380-408 (1968); Russ. Chem. Rev. 37, 184-197 (1968) (English translation).
Properties: Golden yellow, monoclinic crystals. d25 1.75. mp 154-155°. Stable under an atm of CO. In absence of CO, begins to dec at 110°. Sol in organic solvents. Insol in water. Less stable to air, heat and light in soln.
Melting point: mp 154-155°
Density: d25 1.75
Use: Catalyst; antiknock additive.

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