Rhodium, dicarbonyl(2,4-pentanedionato-O,O')-, (SP-4-2)-


Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
MS - José A. Martinho Simões
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δsub86.1 ± 2.9kJ/molN/AJesse, Ernsting, et al., 1978MS

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
87. ± 2.9289.MEJesse, Ernsting, et al., 1978, 2Based on data from 276. to 301. K. See also Stephenson and Malanowski, 1987.; AC

Reaction thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: José A. Martinho Simões

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

Rhodium, bis(η2-ethene)(2,4-pentanedionato-O,O')- (cr) + 2Carbon monoxide (g) = Rhodium, dicarbonyl(2,4-pentanedionato-O,O')-, (SP-4-2)- (cr) + 2Ethylene (g)

By formula: C9H15O2Rh (cr) + 2CO (g) = C7H7O4Rh (cr) + 2C2H4 (g)

Quantity Value Units Method Reference Comment
Δr-53.6 ± 1.7kJ/molDSCJesse, Baks, et al., 1978 

Gas phase ion energetics data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV) Method Reference Comment
8.1PEVan Dam, Terpstra, et al., 1980 
8.6 ± 0.1EIBonati, Distefano, et al., 1971 
8.5PEVan Dam, Terpstra, et al., 1980Vertical value

Mass spectrum (electron ionization)

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin D.HENNEBERG, MAX-PLANCK INSTITUTE, MULHEIM, WEST GERMANY
NIST MS number 63939

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References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Jesse, Ernsting, et al., 1978
Jesse, A.C.; Ernsting, J.M.; Stufkens, D.J.; Vrieze, K., Thermochim. Acta, 1978, 25, 69. [all data]

Jesse, Ernsting, et al., 1978, 2
Jesse, A.C.; Ernsting, J.M.; Stufkens, D.J.; Vrieze, K., Vapour pressure measurements on (acac)M(substituted olefin)2 and (acac)M(CO)2 (M = Rh(I), Ir(I)), Thermochimica Acta, 1978, 25, 1, 69-75, https://doi.org/10.1016/0040-6031(78)80041-0 . [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Jesse, Baks, et al., 1978
Jesse, A.C.; Baks, A.; Stufkens, D.J.; Vrieze, K., Inorg. Chim. Acta, 1978, 29, 177. [all data]

Van Dam, Terpstra, et al., 1980
Van Dam, H.; Terpstra, A.; Stufkens, D.J.; Oskam, A., UV photoelectron spectroscopic studies of the metal-olefin bond. 2. Bonding in (β-diketonato)rhodium(I) and -iridium(I) carbonyl and olefin complexes, Inorg. Chem., 1980, 19, 3448. [all data]

Bonati, Distefano, et al., 1971
Bonati, F.; Distefano, G.; Innorta, G.; Minghetti, G.; Pignataro, S., Ionization energies of rhodium and iridium β-diketonates: on the nature of the last occupied orbital, Z. Anorg. Allg. Chem., 1971, 386, 107. [all data]


Notes

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