Cobaltocene
- Formula: C10H10Co
- Molecular weight: 189.1196
- IUPAC Standard InChIKey: PXFGMRZPRDJDEK-UHFFFAOYSA-N
- CAS Registry Number: 1277-43-6
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: bis-(η5-Cyclopentadienyl) cobalt; Bis(cyclopentadienyl)cobalt; Cobalt, bis(η5-2,4-cyclopentadien-1-yl)-; Cobalt, di-π-cyclopentadienyl-; Dicyclopentadienylcobalt; Kobaltocen; Cobalt, bis(η5-cyclopentadienyl)-
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Phase change data
Go To: Top, References, Notes
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
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔsubH° | 17.2 ± 0.02 | kcal/mol | CC-SB | Torres-Gómez, Barreiro-Rodríguez, et al., 1988 | Another value for the enthalpy of sublimation has been reported: 16.8 ± 1.0 kcal/mol Tel'noi, Kirynov, et al., 1975; MS |
ΔsubH° | 16.8 ± 1.0 | kcal/mol | N/A | Pilcher and Skinner, 1983 | See also Tel'noi, Kirynov, et al., 1975.; AC |
Enthalpy of phase transition
ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.0569 | 93.5 | crystaline, II | crystaline, I | Rabinovich, Nistratov, et al., 1978 | Lambda transition between 70 to 120 K with a maximum at 93.5 K.; DH |
0.0569 | 92. | crystaline, II | crystaline, I | Rabinovich, Nistratov, et al., 1975 | Lambda transition between 70 to 140 K with a maximum at 92 K.; DH |
Entropy of phase transition
ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.650 | 93.5 | crystaline, II | crystaline, I | Rabinovich, Nistratov, et al., 1978 | Lambda; DH |
0.652 | 92. | crystaline, II | crystaline, I | Rabinovich, Nistratov, et al., 1975 | Lambda; DH |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Torres-Gómez, Barreiro-Rodríguez, et al., 1988
Torres-Gómez, L.A.; Barreiro-Rodríguez, G.; Méndez- Ruíz, F.,
Thermochim. Acta, 1988, 124, 179. [all data]
Tel'noi, Kirynov, et al., 1975
Tel'noi, V.I.; Kirynov, K.V.; Ermolaev, V.I.; Rabinovich, I.B.,
Dokl. Akad. Nauk SSSR, 1975, 220, 1088. [all data]
Pilcher and Skinner, 1983
Pilcher, G.; Skinner, H.A.,
Thermochemistry of organometallic compounds, 1983, 43-90, https://doi.org/10.1002/9780470771686.ch2
. [all data]
Rabinovich, Nistratov, et al., 1978
Rabinovich, I.B.; Nistratov, V.P.; Sheiman, M.S.; Burchalova, G.V.,
Heat capacities of dicyclopentadienyl compounds of vanadium, chromium, manganese, cobalt, and nickel,
J. Chem. Thermodynam., 1978, 10, 523-536. [all data]
Rabinovich, Nistratov, et al., 1975
Rabinovich, I.B.; Nistratov, V.P.; Sheiman, M.S.; Burchalova, G.V.,
Heat capacity and transitions in solid state. Dicyclopentadienyl compounds of transition elements,Quatrieme Conference International de Thermodynamique Chimique II,
Thermophysiques (capacites thermiques) pp., 1975, 69-76, 136. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.