Ni(CO)3

Formula: C₃NiO₃
Molecular weight: 142.7237
CAS Registry Number: 26024-55-5
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Other data available:
- Gas phase thermochemistry data
- Gas phase ion energetics data
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Reaction thermochemistry data

Data compiled by: José A. Martinho Simões

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Individual Reactions

C₃N₂NiO₃ (solution) = C₃NiO₃ (solution) + (solution)

By formula: C₃N₂NiO₃ (solution) = C₃NiO₃ (solution) + N₂ (solution)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	10. ± 1.	kcal/mol	KinS	Turner, Simpson, et al., 1983	solvent: Liquid krypton; The reaction enthalpy relies on the experimental value for the activation enthalpy, 10. ± 1. kcal/mol, and on the assumption that the activation enthalpy for product recombination is negligible Turner, Simpson, et al., 1983.

(solution) = C₃NiO₃ (solution) + (solution)

By formula: C₄NiO₄ (solution) = C₃NiO₃ (solution) + CO (solution)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	22.6	kcal/mol	KinS	Turner, Simpson, et al., 1983	solvent: Liquid krypton; The reaction enthalpy relies on the experimental value for the activation enthalpy, 22.6 kcal/mol, and on the assumption that the activation enthalpy for product recombination is negligible Turner, Simpson, et al., 1983.

(g) = C₃NiO₃ (g) + (g)

By formula: C₄NiO₄ (g) = C₃NiO₃ (g) + CO (g)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	25. ± 2.	kcal/mol	N/A	Stevens, Feigerle, et al., 1982	Please also see Compton and Stockdale, 1976. The enthalpy of formation relies on -144.0 ± 0.62 kcal/mol for the enthalpy of formation of Ni(CO)4(g) Method: LPS and collision with low energy electrons.

C₃NiO₃ (g) = C₂NiO₂ (g) + (g)

By formula: C₃NiO₃ (g) = C₂NiO₂ (g) + CO (g)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	28.3 ± 2.3	kcal/mol	FA-SIFT	Sunderlin, Wang, et al., 1992
Δ_rH°	13. ± 10.	kcal/mol	N/A	Stevens, Feigerle, et al., 1982	Please also see Compton and Stockdale, 1976. Method: LPS and collision with low energy electrons.

References

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Turner, Simpson, et al., 1983
Turner, J.J.; Simpson, M.B.; Poliakoff, M.; Maier II, W.B., J. Am. Chem. Soc., 1983, 105, 3898. [all data]

Stevens, Feigerle, et al., 1982
Stevens, A.E.; Feigerle, C.S.; Lineberger, W.C., Laser Photoelectron Spectrometry of Ni(CO)_n^-, n=1-3, J. Am. Chem. Soc., 1982, 104, 19, 5026, https://doi.org/10.1021/ja00383a004 . [all data]

Compton and Stockdale, 1976
Compton, R.N.; Stockdale, J.A.D., Formation of gas phase negative ions in Fe(CO)₅ and Ni(CO)₄, Int. J. Mass Spectrom. Ion Phys., 1976, 22, 47. [all data]

Sunderlin, Wang, et al., 1992
Sunderlin, L.S.; Wang, D.; Squires, R.R., Metal Carbonyl Bond Strengths in Fe(CO)n- and Ni(CO)n-, J. Am. Chem. Soc., 1992, 114, 8, 2788, https://doi.org/10.1021/ja00034a004 . [all data]

Notes

Go To: Top, Reaction thermochemistry data, References

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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