Ferrocene
- Formula: C10H10Fe
- Molecular weight: 186.031
- IUPAC Standard InChIKey: DFRHTHSZMBROSH-UHFFFAOYSA-N
- CAS Registry Number: 102-54-5
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Species with the same structure:
- Other names: Bis(η-cyclopentadienyl) iron; Bis(cyclopentadienyl)iron; Di(π-cyclopentadienyl)iron; Di-2,4-cyclopentadien-1-yliron; Dicyclopentadienyl iron; Ferrotsen; Iron dicyclopentadienyl; Iron, bis(η5-2,4-cyclopentadien-1-yl)-; Iron, bis(η5-cyclopentadienyl); Iron bis(cyclopentadienide); NSC 2033; Catane
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Gas phase 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 242.4 ± 2.5 | kJ/mol | Review | Martinho Simões | |
ΔfH°gas | 214.8 ± 5.3 | kJ/mol | Review | Martinho Simões | |
ΔfH°gas | 228.6 ± 4.6 | kJ/mol | Review | Martinho Simões | |
ΔfH°gas | 231.7 ± 4.1 | kJ/mol | Review | Martinho Simões |
Condensed phase 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 as indicated in comments:
MS - José A. Martinho Simões
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | 168.7 ± 2.3 | kJ/mol | Review | Martinho Simões | MS |
ΔfH°solid | 141.1 ± 5.2 | kJ/mol | Review | Martinho Simões | MS |
ΔfH°solid | 154.9 ± 4.5 | kJ/mol | Review | Martinho Simões | MS |
ΔfH°solid | 158. ± 4. | kJ/mol | CC-SB | Chipperfield, Sneyd, et al., 1979 | Value corrected based on a set of ancillary data by J.A. Martinho Simões; MS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -5891.5 ± 4.2 | kJ/mol | CC-SB | Tel'noi and Rabinovich, 1977 | MS |
ΔcH°solid | -5905.3 ± 1.7 | kJ/mol | CC-SB | Tel'noi, Kirynov, et al., 1975 | Please also see Pedley and Rylance, 1977.; MS |
ΔcH°solid | -5877.7 ± 5.0 | kJ/mol | CC-SB | Cotton and Wilkinson, 1952 | Please also see Cox and Pilcher, 1970.; MS |
Quantity | Value | Units | Method | Reference | Comment |
S°solid,1 bar | 211.85 | J/mol*K | N/A | Ogasahara, Sorai, et al., 1981 | DH |
S°solid,1 bar | 216.2 | J/mol*K | N/A | Edwards and Kington, 1962 | DH |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
189.56 | 298.15 | Ogasahara, Sorai, et al., 1981 | T = 13 to 300 K.; DH |
192.5 | 298. | Tomassetti, Curini, et al., 1981 | T = 293 to 393 K. Equation given.; DH |
131. | 200. | Azokpota, Calvarin, et al., 1976 | T = 120 to 200 K.; DH |
195.9 | 298.16 | Edwards and Kington, 1962 | T = 0 to 300 K. Debye function used to evaluate heat capacity between 0 and 17 K.; DH |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 519. | K | N/A | Baev, Barkatin, et al., 1979 | Uncertainty assigned by TRC = 1. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 447.0 | K | N/A | Tomassetti, Curini, et al., 1981 | DH |
Tfus | 446. | K | N/A | Murray, Cavell, et al., 1980 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 451.3 | K | N/A | Baev, Barkatin, et al., 1979 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 64.7 ± 0.4 | kJ/mol | EB | Nisel'son, Sokolova, et al., 1972 | Based on data from 519. to 604. K. See also Emel'yanenko, Verevkin, et al., 2007.; AC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 73. ± 4. | kJ/mol | AVG | N/A | Average of 23 out of 25 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
47.3 | 471. | A | Stephenson and Malanowski, 1987 | Based on data from 456. to 523. K. See also Dykyj, Svoboda, et al., 1999.; AC |
49.8 | 466. | A | Stephenson and Malanowski, 1987 | Based on data from 451. to 523. K. See also Barkatin, Gaidym, et al., 1977.; AC |
44.7 | 561. | EB | Nisel'son, Sokolova, et al., 1972 | Based on data from 519. to 604. K.; AC |
47.3 | 456. | N/A | Kaplan, Kester, et al., 1952 | AC |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
73.2 ± 1.9 | 301. | ME | Lousada, Pinto, et al., 2008 | Based on data from 298. to 304. K.; AC |
72.6 ± 0.1 | 313. | C | Monte, Santos, et al., 2006 | AC |
73.1 ± 1.4 | 333. | DSC | Rojas-Aguilar, Orozco-Guareño, et al., 2001 | See also Emel'yanenko, Verevkin, et al., 2007.; AC |
72.5 ± 1.0 | 296. | ME | Da Silva and Monte, 1990 | Based on data from 292. to 300. K.; AC |
72.1 ± 0.4 | 294. | ME | Torres-Gómez, Barreiro-Rodríguez, et al., 1988 | Based on data from 278. to 309. K.; AC |
64.6 | 397. | A | Stephenson and Malanowski, 1987 | Based on data from 348. to 446. K.; AC |
70. ± 2. | 328. to 398. | DSC | Murray, Cavell, et al., 1980 | AC |
84.0 ± 2.0 | 385. to 455. | DSC | Beech and Lintonbon, 1971 | AC |
83.3 | 323. to 367. | ME | Cordes and Schreiner, 1959 | AC |
70.5 | 406. | N/A | Kaplan, Kester, et al., 1952 | Based on data from 357. to 455. K.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
17.8 | 448.5 | DSC | Lousada, Pinto, et al., 2008 | AC |
17.49 | 447.6 | DSC | Da«807»browski, Misterkiewicz, et al., 2001 | AC |
17.78 | 448.2 | N/A | Ogasahara, Sorai, et al., 1981 | See also Jons and Gjaldbaek, 1969.; AC |
Enthalpy of phase transition
ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.900 | 163.9 | crystaline, III | crystaline, II | Ogasahara, Sorai, et al., 1981 | Lambda transition with a subsidiary Cp maximum at 169 K between metastable LT and undercooled HT phases.; DH |
4.145 | 242. | crystaline, II | crystaline, I | Ogasahara, Sorai, et al., 1981 | Phase transition between stable LT and stable HT phases.; DH |
0.853 | 164. | crystaline, II | crystaline, I | Pommier and Azokpota, 1976 | DH |
0.854 | 169. | crystaline, II | crystaline, I | Edwards, Kington, et al., 1960 | Lambda transtion at 163.9 K with a secondary transition at 169 K. Data given for overall transition.; DH |
Entropy of phase transition
ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
5.5 | 163.9 | crystaline, III | crystaline, II | Ogasahara, Sorai, et al., 1981 | Lambda; DH |
17.13 | 242. | crystaline, II | crystaline, I | Ogasahara, Sorai, et al., 1981 | Phase; DH |
5.31 | 164. | crystaline, II | crystaline, I | Pommier and Azokpota, 1976 | DH |
5.31 | 169. | crystaline, II | crystaline, I | Edwards, Kington, et al., 1960 | Lambda; DH |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, 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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
MS - 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
By formula: C10H10Fe+ + C10H10Fe = (C10H10Fe+ • C10H10Fe)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 50. | kJ/mol | PHPMS | Meot-Ner (Mautner), 1989 | gas phase; Entropy change calculated or estimated, ΔrH<, DG<; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 84. | J/mol*K | N/A | Meot-Ner (Mautner), 1989 | gas phase; Entropy change calculated or estimated, ΔrH<, DG<; M |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
29. | 253. | PHPMS | Meot-Ner (Mautner), 1989 | gas phase; Entropy change calculated or estimated, ΔrH<, DG<; M |
C30H28Fe2Ti (cr) + 2( • 4.40) (solution) = 2 (cr) + (cr)
By formula: C30H28Fe2Ti (cr) + 2(HCl • 4.40H2O) (solution) = 2C10H10Fe (cr) + C10H10Cl2Ti (cr)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -253.5 ± 4.5 | kJ/mol | RSC | Dias, Salema, et al., 1982 | Please also see Calhorda, Dias, et al., 1987.; MS |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Martinho Simões
Martinho Simões, J.A.,
Private communication (see http://webbook.nist.gov/chemistry/om/). [all data]
Chipperfield, Sneyd, et al., 1979
Chipperfield, J.R.; Sneyd, J.C.R.; Webster, D.E.,
J. Organometal. Chem., 1979, 178, 177. [all data]
Tel'noi and Rabinovich, 1977
Tel'noi, V.I.; Rabinovich, I.B.,
Russ. Chem. Rev., 1977, 46, 689. [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]
Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J.,
Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brigton, 1977. [all data]
Cotton and Wilkinson, 1952
Cotton, F.A.; Wilkinson, G.,
J. Am. Chem. Soc., 1952, 74, 5764. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds
in Academic Press, New York, 1970. [all data]
Ogasahara, Sorai, et al., 1981
Ogasahara, K.; Sorai, M.; Suga, H.,
Thermodynamic properties of ferrocene crystal,
Mol. Cryst. Liq. Cryst., 1981, 71, 189-211. [all data]
Edwards and Kington, 1962
Edwards, J.W.; Kington, G.L.,
Thermodynamic properties of ferrocene. Part 3. Thermodynamic functions from 0 to 300°K,
Trans. Faraday Soc., 1962, 58, 1334-1340. [all data]
Tomassetti, Curini, et al., 1981
Tomassetti, M.; Curini, R.; D'Ascenzo, G.; Ortaggi, G.,
Heat capacities of ferrocene, acetyl-, 1,1'-diacetyl-, benzoyl-, and 1,1'-dibenzoylferrocene by DSC,
Thermochim. Acta, 1981, 48, 333-341. [all data]
Azokpota, Calvarin, et al., 1976
Azokpota, C.; Calvarin, G.; Pommier, C.,
Heat capacity of molecular compounds with order-disorder transition: nickelocene, Ni(C5H5)2, and ferrocene, Fe(C5H5)2,
J. Chem. Thermodynam., 1976, 8, 283-287. [all data]
Baev, Barkatin, et al., 1979
Baev, A.K.; Barkatin, A.A.; Gubin, S.P.; Dyagileva, S.P.,
Thermodynamics of phase transitions and vapor state of some compounds of elements with incomplete d-shells
in Vses. Konf. po Kalorimetrii i Khim. Termodinamike, 8th, Ivanovo, p 386-389, 1979. [all data]
Murray, Cavell, et al., 1980
Murray, J.P.; Cavell, K.J.; Hill, J.O.,
A DSC study of benzoic acid: a suggested calibrant compound,
Thermochimica Acta, 1980, 36, 1, 97-101, https://doi.org/10.1016/0040-6031(80)80114-6
. [all data]
Nisel'son, Sokolova, et al., 1972
Nisel'son, L.A.; Sokolova, T.D.; Nikolaev, R.K.,
Vestn. Mosk. Univ., Ser. 2: Khim., 1972, 13, 4, 432. [all data]
Emel'yanenko, Verevkin, et al., 2007
Emel'yanenko, Vladimir N.; Verevkin, Sergey P.; Krol, Olesya V.; Varushchenko, Raisa M.; Chelovskaya, Nelly V.,
Vapour pressures and enthalpies of vaporization of a series of the ferrocene derivatives,
The Journal of Chemical Thermodynamics, 2007, 39, 4, 594-601, https://doi.org/10.1016/j.jct.2006.09.001
. [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]
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]
Barkatin, Gaidym, et al., 1977
Barkatin, A.A.; Gaidym, I.L.; Baev, A.K.,
Khim. Khim. Technol. (USSR), 1977, 12, 44. [all data]
Kaplan, Kester, et al., 1952
Kaplan, Louis; Kester, William L.; Katz, Joseph J.,
Some Properties of Iron Biscyclopentadienyl,
J. Am. Chem. Soc., 1952, 74, 21, 5531-5532, https://doi.org/10.1021/ja01141a518
. [all data]
Lousada, Pinto, et al., 2008
Lousada, Cláudio M.; Pinto, Susana S.; Canongia Lopes, José N.; Minas da Piedade, M. Fátima; Diogo, Hermínio P.; Minas da Piedade, Manuel E.,
Experimental and Molecular Dynamics Simulation Study of the Sublimation and Vaporization Energetics of Iron Metalocenes. Crystal Structures of Fe(η 5 -C 5 H 4 CH 3 ) 2 and Fe[(η 5 -(C 5 H 5 )(η 5 -C 5 H 4 CHO)],
J. Phys. Chem. A, 2008, 112, 13, 2977-2987, https://doi.org/10.1021/jp7107818
. [all data]
Monte, Santos, et al., 2006
Monte, Manuel J.S.; Santos, Luís M.N.B.F.; Fulem, Michal; Fonseca, José M.S.; Sousa, Carlos A.D.,
New Static Apparatus and Vapor Pressure of Reference Materials: Naphthalene, Benzoic Acid, Benzophenone, and Ferrocene,
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. [all data]
Rojas-Aguilar, Orozco-Guareño, et al., 2001
Rojas-Aguilar, Aarón; Orozco-Guareño, Eulogio; Martínez-Herrera, Melchor,
An experimental system for measurement of enthalpies of sublimation by d.s.c.,
The Journal of Chemical Thermodynamics, 2001, 33, 10, 1405-1418, https://doi.org/10.1006/jcht.2001.0857
. [all data]
Da Silva and Monte, 1990
Da Silva, Manuel A.V. Ribeiro; Monte, Manuel J.S.,
The construction, testing and use of a new knudsen effusion apparatus,
Thermochimica Acta, 1990, 171, 169-183, https://doi.org/10.1016/0040-6031(90)87017-7
. [all data]
Torres-Gómez, Barreiro-Rodríguez, et al., 1988
Torres-Gómez, Luis Alfonso; Barreiro-Rodríguez, Guadalupe; Méndez-Ruíz, Francisco,
Vapour pressures and enthalpies of sublimation of ferrocene, cobaltocene and nickelocene,
Thermochimica Acta, 1988, 124, 179-183, https://doi.org/10.1016/0040-6031(88)87020-5
. [all data]
Beech and Lintonbon, 1971
Beech, Graham; Lintonbon, Roger M.,
The measurement of sublimation enthalpies by differential scanning calorimetry,
Thermochimica Acta, 1971, 2, 1, 86-88, https://doi.org/10.1016/0040-6031(71)85027-X
. [all data]
Cordes and Schreiner, 1959
Cordes, J.F.; Schreiner, S.,
Dampfdruckmessungen bei einigen Aromatenkomplexen,
Z. Anorg. Allg. Chem., 1959, 299, 1-2, 87-91, https://doi.org/10.1002/zaac.19592990111
. [all data]
Da«807»browski, Misterkiewicz, et al., 2001
Da«807»browski, Marek; Misterkiewicz, Boguslaw; Sporzynski, Andrzej,
Solubilities of Substituted Ferrocenes in Organic Solvents,
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. [all data]
Jons and Gjaldbaek, 1969
Jons, O.; Gjaldbaek, JC.,
Dan. Tidsskr. Farm., 1969, 43, 7, 151. [all data]
Pommier and Azokpota, 1976
Pommier, C.; Azokpota, C.,
Study of phase transitions in metallocenes by determining specific heat curves,
J. Calorim. Anal. Therm. [C.R.], 1976, 3-6, 1-8. [all data]
Edwards, Kington, et al., 1960
Edwards, J.W.; Kington, G.L.; Mason, R.,
The thermodynamic properties of ferrocene. Part 1. The low-temperature transition in ferrocene crystals,
Trans. Faraday Soc., 1960, 56, 660-669. [all data]
Meot-Ner (Mautner), 1989
Meot-Ner (Mautner), M.,
Ion DChemistry of Ferrocene. Thermochemistry of Ionization and Protonation and Solvent Clustering. Slow and Entropy - Driven Proton - Transfer Kinetics,
J. Am. Chem. Soc., 1989, 111, 8, 2830, https://doi.org/10.1021/ja00190a014
. [all data]
Dias, Salema, et al., 1982
Dias, A.R.; Salema, M.S.; Martinho Simões, J.A.,
Organometallics, 1982, 1, 971. [all data]
Calhorda, Dias, et al., 1987
Calhorda, M.J.; Dias, A.R.; Minas da Piedade M.E.; Salema, M.S.; Martinho Simões J.A.,
Organometallics, 1987, 6, 734. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid S°solid,1 bar Entropy of solid at standard conditions (1 bar) T Temperature Tboil Boiling point Tfus Fusion (melting) point ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔfusH Enthalpy of fusion ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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