Naphthalene, 1-methyl-
- Formula: C11H10
- Molecular weight: 142.1971
- IUPAC Standard InChI: InChI=1S/C11H10/c1-9-5-4-7-10-6-2-3-8-11(9)10/h2-8H,1H3
- IUPAC Standard InChIKey: QPUYECUOLPXSFR-UHFFFAOYSA-N
- CAS Registry Number: 90-12-0
- 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. - Other names: α-Methylnaphthalene; 1-Methylnaphthalene; Methyl-1-naphthalene
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Gas phase thermochemistry data
Go To: Top, 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 116.9 ± 2.7 | kJ/mol | Ccb | Speros and Rossini, 1960 | ALS |
Constant pressure heat capacity of gas
| Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 39.1 | 50. | Thermodynamics Research Center, 1997 | p=1 bar.; GT |
| 59.1 | 100. | ||
| 81.1 | 150. | ||
| 105.9 | 200. | ||
| 145.6 | 273.15 | ||
| 159.3 | 298.15 | ||
| 160.4 | 300. | ||
| 212.3 | 400. | ||
| 256.2 | 500. | ||
| 291.8 | 600. | ||
| 320.7 | 700. | ||
| 344.5 | 800. | ||
| 364.3 | 900. | ||
| 381.0 | 1000. | ||
| 395. | 1100. | ||
| 407. | 1200. | ||
| 418. | 1300. | ||
| 426. | 1400. | ||
| 434. | 1500. |
Condensed phase thermochemistry data
Go To: Top, Gas 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | 56.2 ± 1.7 | kJ/mol | Ccb | Speros and Rossini, 1960 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -5783.0 ± 5.8 | kJ/mol | Ccb | Balcan, Arzik, et al., 1996 | Corresponding ΔfHºliquid = 25.2 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
| ΔcH°liquid | -5814.0 ± 1.7 | kJ/mol | Ccb | Speros and Rossini, 1960 | Corresponding ΔfHºliquid = 56.27 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
| ΔcH°liquid | -5627. | kJ/mol | Ccb | Hipsher and Wise, 1954 | ΔHfusion=2.3 kcal/mol; Corresponding ΔfHºliquid = -130. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid | 254.81 | J/mol*K | N/A | McCullough, Finke, et al., 1957 | DH |
Constant pressure heat capacity of liquid
| Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 224.39 | 298.15 | McCullough, Finke, et al., 1957 | T = 10 to 370 K.; DH |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Speros and Rossini, 1960
Speros, D.M.; Rossini, F.D.,
Heats of combustion and formation of naphthalene, the two methylnaphthalenes, cis and trans decahydronaphthalene and related compounds,
J. Phys. Chem., 1960, 64, 1723-1727. [all data]
Thermodynamics Research Center, 1997
Thermodynamics Research Center,
Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]
Balcan, Arzik, et al., 1996
Balcan, M.; Arzik, S.; Altunata, T.,
The determination of the heats of combustion and the resonance energies of some substituted naphthalenes,
Thermochim. Acta, 1996, 278, 49-56. [all data]
Hipsher and Wise, 1954
Hipsher, H.F.; Wise, P.H.,
Dicyclic hydrocarbons. VIII. 1-Alkylnaphthalenes and some of their tetrahydro derivatives,
J. Am. Chem. Soc., 1954, 76, 1747-1748. [all data]
McCullough, Finke, et al., 1957
McCullough, J.P.; Finke, H.L.; Messerly, J.F.; Kincheloe, T.C.; Waddington, G.,
The low temperature thermodynamic properties of naphthalene, 1-methylnaphthalene, 2-methylnaphthalene, 1,2,3,4-tetrahydronaphthalene, trans-decahydronaphthalene and cis-decahydronaphthalene,
J. Phys. Chem., 1957, 61, 1105-1116. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas 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 - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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