[Mo(Cp)(CO)3]2

Formula: C₁₆H₁₀Mo₂O₆
Molecular weight: 490.17
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Reaction thermochemistry data

Data compiled by: José A. Martinho Simões

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Individual Reactions

0.5C₁₆H₁₀Mo₂O₆ (solution) + (cr) = C₈H₅MoNaO₃ (solution)

By formula: 0.5C₁₆H₁₀Mo₂O₆ (solution) + Na (cr) = C₈H₅MoNaO₃ (solution)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	-265.5 ± 3.6	kJ/mol	RSC	Kiss, Nolan, et al., 1994	solvent: Tetrahydrofuran; The reaction enthalpy was calculated from the enthalpies of the following reactions: 0.5[Mo(Cp)(CO)3]2(solution) + (Na)[Cr(Cp)(CO)2(PPh3)](solution) = (Na)[Mo(Cp)(CO)3](solution) + Cr(Cp)(CO)2(PPh3)(solution), -15.3 ± 0.4 kJ/mol, Cr(Cp)(CO)2(PPh3)(solution) + (Na)(Ph2CO)(solution) = (Na)[Cr(Cp)(CO)2(PPh3)](solution) + Ph2CO(solution), -89.1 ± 2.5 kJ/mol, and Ph2CO(solution) + Na(cr) = (Na)(Ph2CO)(solution), -161.1 ± 2.5 kJ/mol Kiss, Nolan, et al., 1994.

C₁₆H₁₀Mo₂O₆ (cr) + (solution) = 2 (cr)

By formula: C₁₆H₁₀Mo₂O₆ (cr) + Br₂ (solution) = 2C₈H₅BrMoO₃ (cr)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	-177. ± 17.	kJ/mol	N/A	Nolan, López de la Vega, et al., 1986	solvent: Carbon tetrachloride; The reaction enthalpy was calculated Nolan, López de la Vega, et al., 1986 from the experimental values for the enthalpies of the following reactions: [Mo(Cp)(CO)3]2(cr) + 3Br2(solution) = 2Mo(Cp)(CO)2(Br)3(solution) + 2CO(solution), -384.9 ± 4.2 kJ/mol, and Mo(Cp)(CO)3(Br)(cr) + Br2(solution) = Mo(Cp)(CO)2(Br)3(solution) + CO(solution), -104.2 ± 8.4 kJ/mol

C₁₄H₁₀Mo₂O₄ (solution) + 2 (solution) = C₁₆H₁₀Mo₂O₆ (solution)

By formula: C₁₄H₁₀Mo₂O₄ (solution) + 2CO (solution) = C₁₆H₁₀Mo₂O₆ (solution)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	-168.6 ± 1.4	kJ/mol	RSC	Nolan, López de la Vega, et al., 1986, 2	solvent: Toluene; The enthalpy of solution of [Mo(Cp)(CO)2]2(cr) was measured as 15.9 ± 0.4 kJ/mol Nolan, López de la Vega, et al., 1986, 2

C₁₆H₁₀Mo₂O₆ (cr) + 3 (solution) = 2C₇H₅Br₃MoO₂ (solution) + 2 (solution)

By formula: C₁₆H₁₀Mo₂O₆ (cr) + 3Br₂ (solution) = 2C₇H₅Br₃MoO₂ (solution) + 2CO (solution)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	-384.9 ± 4.2	kJ/mol	RSC	Nolan, López de la Vega, et al., 1986	solvent: Carbon tetrachloride

C₁₆H₁₀Mo₂O₆ (cr) + (solution) = 2C₈H₅IMoO₃ (solution)

By formula: C₁₆H₁₀Mo₂O₆ (cr) + I₂ (solution) = 2C₈H₅IMoO₃ (solution)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	-133.1 ± 4.2	kJ/mol	RSC	Landrum and Hoff, 1985	solvent: Dichloromethane

References

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Kiss, Nolan, et al., 1994
Kiss, G.; Nolan, S.P.; Hoff, C.D., Inorg. Chim. Acta, 1994, 227, 285. [all data]

Nolan, López de la Vega, et al., 1986
Nolan, S.P.; López de la Vega, R.; Hoff, C.D., J. Organometal. Chem., 1986, 315, 187. [all data]

Nolan, López de la Vega, et al., 1986, 2
Nolan, S.P.; López de la Vega, R.; Hoff, C.D., Inorg. Chem., 1986, 25, 4446. [all data]

Landrum and Hoff, 1985
Landrum, J.T.; Hoff, C.D., J. Organometal. Chem., 1985, 282, 215. [all data]

Notes

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Symbols used in this document:

Δ_rH° Enthalpy of reaction at standard conditions
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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