Dirhenium decacarbonyl

Formula: C₁₀O₁₀Re₂
Molecular weight: 652.515
IUPAC Standard InChI: InChI=1S/10CO.2Re/c10*1-2;;
IUPAC Standard InChIKey: ZIZHEHXAMPQGEK-UHFFFAOYSA-N
CAS Registry Number: 14285-68-8
Chemical structure:
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Other names: Re2(CO)10; Rhenium carbonyl; Rhenium, decacarbonyldi-,; Decacarbonyldirhenium; Rhenium carbonyl (Re2(CO)10); Rhenium, decacarbonyldi-, (Re-Re)
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Gas phase thermochemistry data

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Data compiled by: José A. Martinho Simões

Quantity	Value	Units	Method	Reference	Comment
Δ_fH°_gas	-1557.1 ± 9.1	kJ/mol	Review	Martinho Simões
Δ_fH°_gas	-1544.1 ± 6.4	kJ/mol	Review	Martinho Simões
Δ_fH°_gas	-1556.7 ± 3.9	kJ/mol	Review	Martinho Simões
Δ_fH°_gas	-1560. ± 14.	kJ/mol	Review	Martinho Simões
Δ_fH°_gas	-1554.4 ± 7.3	kJ/mol	Review	Martinho Simões	Selected data. Average of the values from Chernova, Sheiman, et al., 1973, Connor, Skinner, et al., 1973, and Al-Takhin, Connor, et al., 1983

Gas phase ion energetics data

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Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV)	Method	Reference	Comment
8.49 ± 0.02	EI	Michels and Svec, 1981	LLK
8.36 ± 0.03	EI	Junk and Svec, 1970	RDSH
8.07	PE	Higginson, Lloyd, et al., 1975	Vertical value; LLK
8.86	PE	Hall, 1975	Vertical value; LLK

Appearance energy determinations

Ion	AE (eV)	Other Products	Method	Reference	Comment
CORe₂⁺	26.26	9CO	EI	Svec and Junk, 1967	RDSH
C₂O₂Re₂⁺	23.55	8CO	EI	Svec and Junk, 1967	RDSH
C₃O₃Re₂⁺	21.46	7CO	EI	Svec and Junk, 1967	RDSH
C₄O₄Re⁺	13.30	?	EI	Svec and Junk, 1967	RDSH
C₄O₄Re₂⁺	19.31	6CO	EI	Svec and Junk, 1967	RDSH
C₅O₅Re⁺	10.34	?	EI	Junk and Svec, 1970	RDSH
C₅O₅Re₂⁺	16.71	5CO	EI	Svec and Junk, 1967	RDSH
C₆O₆Re₂⁺	15.01	4CO	EI	Svec and Junk, 1967	RDSH
C₇O₇Re₂⁺	13.55	3CO	EI	Svec and Junk, 1967	RDSH
C₈O₈Re₂⁺	10.89	2CO	EI	Svec and Junk, 1967	RDSH
C₉O₉Re₂⁺	9.57	CO	EI	Svec and Junk, 1967	RDSH
Re⁺	37.55	?	EI	Svec and Junk, 1967	RDSH
Re₂⁺	28.96	10CO	EI	Svec and Junk, 1967	RDSH

References

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Martinho Simões
Martinho Simões, J.A., Private communication (see http://webbook.nist.gov/chemistry/om/). [all data]

Chernova, Sheiman, et al., 1973
Chernova, V.I.; Sheiman, M.S.; Rabinovich, I.B.; Syrkin, V.G., Trudy Khim. Khim. Tekhnol., Gorky, 1973, No. 2, 43. [all data]

Connor, Skinner, et al., 1973
Connor, J.A.; Skinner, H.A.; Virmani, Y., High temperature microcalorimetric studies of the thermal decomposition and iodination of polynuclear carbonyls of Fe, Co, Ru, Rh, Re, Os and Ir, Faraday Symp. Chem. Soc., 1973, 8, 18, https://doi.org/10.1039/fs9730800018 . [all data]

Al-Takhin, Connor, et al., 1983
Al-Takhin, G.; Connor, J.A.; Skinner, H.A., J. Organomet. Chem., 1983, 259, 313. [all data]

Michels and Svec, 1981
Michels, G.D.; Svec, H.J., Characterization of MnTc(CO)₁₀ and TcRe(CO)₁₀, Inorg. Chem., 1981, 20, 3445. [all data]

Junk and Svec, 1970
Junk, G.A.; Svec, H.J., The mass spectra, ionization potentials, and bond energies of the group VIIA decacarbonyls, J. Chem. Soc. A, 1970, 2102. [all data]

Higginson, Lloyd, et al., 1975
Higginson, B.R.; Lloyd, D.R.; Evans, S.; Orchard, A.F., Photoelectron studies of metal carbonyls. Part 5. - Substituted group VIIA carbonyls, J. Chem. Soc. Faraday Trans. 2, 1975, 71, 1913. [all data]

Hall, 1975
Hall, M.B., The use of spin-orbit coupling in the interpretation of photoelectron spectra. I. Application to substituted rhenium pentacarbonyls, J. Am. Chem. Soc., 1975, 97, 2057. [all data]

Svec and Junk, 1967
Svec, H.J.; Junk, G.A., Energetics of the ionization and dissociation of Mn₂(CO)₁₀, Re₂(CO)₁₀, and ReMn(CO)₁₀, J. Am. Chem. Soc., 1967, 89, 2836. [all data]

Notes

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Symbols used in this document:

AE Appearance energy

Δ_fH°_gas Enthalpy of formation of gas at standard conditions
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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AE	Appearance energy
Δ_fH°_gas	Enthalpy of formation of gas at standard conditions