Lead, tetramethyl-
- Formula: C4H12Pb
- Molecular weight: 267.3
- IUPAC Standard InChIKey: XOOGZRUBTYCLHG-UHFFFAOYSA-N
- CAS Registry Number: 75-74-1
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Plumbane, tetramethyl-; Tetramethyllead; Tetramethylplumbane; (CH3)4Pb; Piombo tetra-metile; Tetramethylolovo; TML
- 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.
Gas phase thermochemistry data
Go To: Top, 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 by: José A. Martinho Simões
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 136.1 ± 4.4 | kJ/mol | Review | Martinho Simões | Selected data |
ΔfH°gas | 167.6 ± 3.3 | kJ/mol | Review | Martinho Simões | |
ΔfH°gas | 14. ± 13. | kJ/mol | Review | Martinho Simões |
Condensed phase thermochemistry data
Go To: Top, Gas 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:
MS - José A. Martinho Simões
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | 98.1 ± 4.4 | kJ/mol | Review | Martinho Simões | Selected data; MS |
ΔfH°liquid | 129.6 ± 3.3 | kJ/mol | Review | Martinho Simões | MS |
ΔfH°liquid | -25. ± 13. | kJ/mol | Review | Martinho Simões | The enthalpy of formation of Pb(Me)4(l) is calculated as -3. ± 13. kJ/mol by assuming that PbO(cr, yellow) is the product oxide.; MS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -3711.2 ± 1.3 | kJ/mol | CC-RB | Good, Scott, et al., 1959 | Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970.; MS |
ΔcH°liquid | -3636.7 ± 3.2 | kJ/mol | CC-SB | Chlupacek, 1953 | MS |
ΔcH°liquid | -3505. ± 13. | kJ/mol | CC-SB | Lippincott and Tobin, 1953 | MS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 319.99 | J/mol*K | N/A | Good, Scott, et al., 1959, 2 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
202.5 | 298.15 | Good, Scott, et al., 1959, 2 | DH |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Condensed phase 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 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
(g) = C3H9Pb (g) + (g)
By formula: C4H12Pb (g) = C3H9Pb (g) + CH4 (g)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 230. to 243. | kJ/mol | N/A | Smith and Patrick, 1983 | |
ΔrH° | 239. ± 17. | kJ/mol | N/A | McMillen and Golden, 1982 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry 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]
Good, Scott, et al., 1959
Good, W.D.; Scott, D.W.; Lacina, J.L.; McCullough, J.P.,
J. Phys. Chem., 1959, 63, 1139. [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]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds
in Academic Press, New York, 1970. [all data]
Chlupacek, 1953
Chlupacek, W.,
Chem. Tech., 1953, art 8. [all data]
Lippincott and Tobin, 1953
Lippincott, E.R.; Tobin, M.C.,
J. Am. Chem. Soc., 1953, 75, 4141. [all data]
Good, Scott, et al., 1959, 2
Good, W.D.; Scott, D.W.; Lacina, J.L.; McCullough, J.P.,
Tetramethyllead: heat of formation by rotating-bomb calorimetry,
J. Phys. Chem., 1959, 63, 1139-1142. [all data]
Smith and Patrick, 1983
Smith, G.P.; Patrick, R.,
Int. J. Chem. Kinet., 1983, 15, 167. [all data]
McMillen and Golden, 1982
McMillen, D.F.; Golden, D.M.,
Hydrocarbon bond dissociation energies,
Ann. Rev. Phys. Chem., 1982, 33, 493. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔrH° Enthalpy of reaction 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.