Dortmund Data Bank
Excess Enthalpy Data
The experimental data shown in these pages are freely available and have been published already in the DDB Explorer Edition. The data represent a small sub list of all available data in the Dortmund Data Bank. For more data or any further information please search the DDB or contact DDBST.
Enthalpy of Mixing Data Set 10021
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C3H6O |
58.080 |
67-64-1 |
Acetone |
| 2 |
C5H9NO |
99.133 |
872-50-4 |
N-Methyl-2-pyrrolidone |
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Miscibility gap: No
Constant Value
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| -4.100 |
0.00540 |
| -11.200 |
0.01700 |
| -15.900 |
0.02930 |
| -20.300 |
0.03800 |
| -31.600 |
0.06380 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Sitnyakovskii I.B.; Semenov L.V.; Gaile A.A.; Koldobovskaya L.L.: Intermolecular interactions of N-methylpyrrolidone with oxygen-containing organic substances. Zh.Prikl.Khim. 63 (1990) 898-902 |
Enthalpy of Mixing Data Set 11193
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C3H6O |
58.080 |
67-64-1 |
Acetone |
| 2 |
C5H9NO |
99.133 |
872-50-4 |
N-Methyl-2-pyrrolidone |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| -12.400 |
0.02350 |
| -29.000 |
0.06140 |
| -72.800 |
0.18950 |
| -108.400 |
0.35370 |
| -121.100 |
0.47380 |
| -122.300 |
0.58760 |
| -113.100 |
0.69360 |
| -88.600 |
0.80580 |
| -62.400 |
0.88780 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Burgdorf R.: Untersuchungen thermophysikalischer Eigenschaften ausgewählter organischer Flüssigkeitsgemische. Berichte aus der Verfahrenstechnik (1995) 1-235 |
Diagrams
List of All References
| Source |
| Sitnyakovskii I.B.; Semenov L.V.; Gaile A.A.; Koldobovskaya L.L.: Intermolecular interactions of N-methylpyrrolidone with oxygen-containing organic substances. Zh.Prikl.Khim. 63 (1990) 898-902 |
| Burgdorf R.: Untersuchungen thermophysikalischer Eigenschaften ausgewählter organischer Flüssigkeitsgemische. Berichte aus der Verfahrenstechnik (1995) 1-235 |
Excess Enthalpy Data Overview
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