The gas-phase thermochemistry of FeH

Richard H. Schultz; P. B. Armentrout

doi:10.1063/1.459897

The gas-phase thermochemistry of FeH

Richard H. Schultz
, P. B. Armentrout

University of Utah

Research output: Contribution to journal › Article › peer-review

46 Scopus citations

Abstract

Endothermic hydride abstraction reactions of Fe⁺ with propane, cyclopropane, n-butane, cyclopentane, and acetaldehyde are studied in the gas phase as a function of ion translational energy in a guided ion beam mass spectrometer. The thresholds for these reactions are measured and used to derive 298 K values of D°(Fe-H) = 1.63 ± 0.08 eV (37.5 ± 1.9 kcal/mol), D°(Fe⁺-H^-) = 8.77 ± 0.08 eV (202.3 ± 1.9 kcal/mol), IE(FeH) = 7.37 ± 0.10 eV, PA(Fe^-) = 347.6 ± 1.9 kcal/mol, and Δ_fH(FeH) = 113.9 ± 1.9 kcal/mol. This thermochemistry is compared with prior measurements and theoretical values.

Original language	English
Pages (from-to)	2262-2266
Number of pages	5
Journal	Journal of Chemical Physics
Volume	94
Issue number	3
DOIs	https://doi.org/10.1063/1.459897
State	Published - 1991
Externally published	Yes

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title = "The gas-phase thermochemistry of FeH",

abstract = "Endothermic hydride abstraction reactions of Fe+ with propane, cyclopropane, n-butane, cyclopentane, and acetaldehyde are studied in the gas phase as a function of ion translational energy in a guided ion beam mass spectrometer. The thresholds for these reactions are measured and used to derive 298 K values of D°(Fe-H) = 1.63 ± 0.08 eV (37.5 ± 1.9 kcal/mol), D°(Fe+-H-) = 8.77 ± 0.08 eV (202.3 ± 1.9 kcal/mol), IE(FeH) = 7.37 ± 0.10 eV, PA(Fe-) = 347.6 ± 1.9 kcal/mol, and ΔfH(FeH) = 113.9 ± 1.9 kcal/mol. This thermochemistry is compared with prior measurements and theoretical values.",

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year = "1991",

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N2 - Endothermic hydride abstraction reactions of Fe+ with propane, cyclopropane, n-butane, cyclopentane, and acetaldehyde are studied in the gas phase as a function of ion translational energy in a guided ion beam mass spectrometer. The thresholds for these reactions are measured and used to derive 298 K values of D°(Fe-H) = 1.63 ± 0.08 eV (37.5 ± 1.9 kcal/mol), D°(Fe+-H-) = 8.77 ± 0.08 eV (202.3 ± 1.9 kcal/mol), IE(FeH) = 7.37 ± 0.10 eV, PA(Fe-) = 347.6 ± 1.9 kcal/mol, and ΔfH(FeH) = 113.9 ± 1.9 kcal/mol. This thermochemistry is compared with prior measurements and theoretical values.

AB - Endothermic hydride abstraction reactions of Fe+ with propane, cyclopropane, n-butane, cyclopentane, and acetaldehyde are studied in the gas phase as a function of ion translational energy in a guided ion beam mass spectrometer. The thresholds for these reactions are measured and used to derive 298 K values of D°(Fe-H) = 1.63 ± 0.08 eV (37.5 ± 1.9 kcal/mol), D°(Fe+-H-) = 8.77 ± 0.08 eV (202.3 ± 1.9 kcal/mol), IE(FeH) = 7.37 ± 0.10 eV, PA(Fe-) = 347.6 ± 1.9 kcal/mol, and ΔfH(FeH) = 113.9 ± 1.9 kcal/mol. This thermochemistry is compared with prior measurements and theoretical values.

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The gas-phase thermochemistry of FeH

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