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 10017
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C3H8O |
60.096 |
67-63-0 |
2-Propanol |
| 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] |
| 10.700 |
0.00980 |
| 24.900 |
0.02590 |
| 35.800 |
0.03240 |
| 59.000 |
0.05330 |
| 89.000 |
0.08330 |
| 104.000 |
0.09520 |
| 143.000 |
0.13480 |
| 181.000 |
0.16600 |
(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 16594
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C3H8O |
60.096 |
67-63-0 |
2-Propanol |
| 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
| Temperature |
298.150 |
K |
| Pressure |
1.010 |
bar |
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| 359.600 |
0.25610 |
| 428.400 |
0.30670 |
| 492.400 |
0.38720 |
| 529.900 |
0.45140 |
| 548.300 |
0.59730 |
| 508.400 |
0.65470 |
| 471.000 |
0.69960 |
| 394.300 |
0.75500 |
| 403.800 |
0.75890 |
| 346.800 |
0.79160 |
| 342.300 |
0.80260 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Letcher T.M.; Lachwa J.; Domanska U.: The excess molar volumes and enthalpies of (N-methyl-2-pyrrolidinone + an alcohol) at T = 298.15 K and the application of the ERAS theory). J.Chem.Thermodyn. 33 (2001) 1169-1179 |
Enthalpy of Mixing Data Set 18385
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C3H8O |
60.096 |
67-63-0 |
2-Propanol |
| 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] |
| 271.100 |
0.10800 |
| 474.300 |
0.21260 |
| 613.700 |
0.31120 |
| 729.600 |
0.40500 |
| 994.400 |
0.54380 |
| 1028.900 |
0.59410 |
| 1039.300 |
0.65290 |
| 1003.600 |
0.71060 |
| 932.300 |
0.77210 |
| 796.800 |
0.82980 |
| 572.700 |
0.89180 |
| 296.500 |
0.94840 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Gnanakumari P.; Venkatesu P.; Rama Mohan K.; Prabhakara Rao M.V.; Prasad D.H.L.: Excess volumes and excess enthalpies of N-methyl-2-pyrrolidone with branched alcohols. Fluid Phase Equilib. 252 (2007) 137-142 |
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 |
| Letcher T.M.; Lachwa J.; Domanska U.: The excess molar volumes and enthalpies of (N-methyl-2-pyrrolidinone + an alcohol) at T = 298.15 K and the application of the ERAS theory). J.Chem.Thermodyn. 33 (2001) 1169-1179 |
| Gnanakumari P.; Venkatesu P.; Rama Mohan K.; Prabhakara Rao M.V.; Prasad D.H.L.: Excess volumes and excess enthalpies of N-methyl-2-pyrrolidone with branched alcohols. Fluid Phase Equilib. 252 (2007) 137-142 |
Excess Enthalpy Data Overview
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