Naphthalene, 1,2-dihydro-
- Formula: C10H10
- Molecular weight: 130.1864
- IUPAC Standard InChI: InChI=1S/C10H10/c1-2-6-10-8-4-3-7-9(10)5-1/h1-3,5-7H,4,8H2
- IUPAC Standard InChIKey: KEIFWROAQVVDBN-UHFFFAOYSA-N
- CAS Registry Number: 447-53-0
- 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: Dialin; δ1-Dialin; 1,2-Dialin; 1,2-Dihydronaphthalene; Diolin
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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: Glushko Thermocenter, Russian Academy of Sciences, Moscow
Constant pressure heat capacity of gas
| Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 38.10 | 50. | Dorofeeva O.V., 1988 | Recommended values were calculated statistically mechanically using force field approximation for polycyclic aromatic hydrocarbons to estimate the needed vibrational frequencies (see also [ Dorofeeva O.V., 1986]). These functions are reproduced in the reference book [ Frenkel M., 1994]. |
| 52.16 | 100. | ||
| 70.54 | 150. | ||
| 92.66 | 200. | ||
| 129.53 | 273.15 | ||
| 142.7 ± 2.0 | 298.15 | ||
| 143.63 | 300. | ||
| 194.26 | 400. | ||
| 237.71 | 500. | ||
| 273.14 | 600. | ||
| 301.96 | 700. | ||
| 325.66 | 800. | ||
| 345.40 | 900. | ||
| 362.00 | 1000. | ||
| 376.05 | 1100. | ||
| 388.01 | 1200. | ||
| 398.23 | 1300. | ||
| 407.02 | 1400. | ||
| 414.60 | 1500. |
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:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 54.8 ± 0.1 | kJ/mol | IP,EB | Chirico and Steele, 2008 | AC |
| ΔvapH° | 51.9 ± 0.4 | kJ/mol | GS | Verevkin, 1999 | Based on data from 274. to 319. K.; AC |
Reduced pressure boiling point
| Tboil (K) | Pressure (bar) | Reference | Comment |
|---|---|---|---|
| 362.2 | 0.021 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 53.4 ± 0.1 | 320. | IP,EB | Chirico and Steele, 2008 | AC |
| 50.8 ± 0.1 | 360. | IP,EB | Chirico and Steele, 2008 | AC |
| 48.4 ± 0.1 | 400. | IP,EB | Chirico and Steele, 2008 | AC |
| 45.9 ± 0.1 | 440. | IP,EB | Chirico and Steele, 2008 | AC |
| 51.9 ± 0.4 | 296. | GS | Verevkin, 1999 | Based on data from 274. to 319. K.; AC |
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 10.53 | 264.4 | AC | Chirico and Steele, 2008 | Authors report two solid/solid phase transitions having negligible enthalpy of transition; AC |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Dorofeeva O.V., 1988
Dorofeeva O.V.,
Thermodynamic Properties of Polycyclic Aromatic Hydrocarbons in the Gaseous Phase. Institute for High Temperatures, USSR Academy of Sciences, Preprint No.1-238 (in Russian), Moscow, 1988. [all data]
Dorofeeva O.V., 1986
Dorofeeva O.V.,
On calculation of thermodynamic properties of polycyclic aromatic hydrocarbons,
Thermochim. Acta, 1986, 102, 59-66. [all data]
Frenkel M., 1994
Frenkel M.,
Thermodynamics of Organic Compounds in the Gas State, Vol. I, II, Thermodynamics Research Center, College Station, Texas, 1994, 1994. [all data]
Chirico and Steele, 2008
Chirico, Robert D.; Steele, William V.,
Thermodynamic properties of 1,2-dihydronaphthalene: Glassy crystals and missing entropy,
The Journal of Chemical Thermodynamics, 2008, 40, 5, 806-817, https://doi.org/10.1016/j.jct.2008.01.009
. [all data]
Verevkin, 1999
Verevkin, Sergey P.,
Thermochemical investigation on α-methyl-styrene and parent phenyl substituted alkenes,
Thermochimica Acta, 1999, 326, 1-2, 17-25, https://doi.org/10.1016/S0040-6031(98)00585-1
. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas Tboil Boiling point ΔfusH Enthalpy of fusion 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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