Mixture of 2-Pyrrolidinone + Water

Datasets

1. η - Viscosity, Pa*s (2)
2. Excess molar enthalpy (molar enthalpy (2)
3. ρ_l - Mass density, kg/m3 (4)
4. c_sound,fluid - Speed of Sound, m/s (4)
5. γ - Surface tension liquid-gas, N/m (2)

Viscosity, Pa*s [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Fixed		Measured
Mole fraction of Water (2) - Liquid	Temperature, K - Liquid	Viscosity, Pa*s - Liquid
0.0549	298.15	0.0130
0.0549	308.15	0.0086
0.0549	318.15	0.0061
0.0549	328.15	0.0046
0.0549	338.15	0.0034
0.1506	298.15	0.0123
0.1506	308.15	0.0081
0.1506	318.15	0.0058
0.1506	328.15	0.0043
0.1506	338.15	0.0032
0.2552	298.15	0.0118
0.2552	308.15	0.0078
0.2552	318.15	0.0055
0.2552	328.15	0.0041
0.2552	338.15	0.0031
0.3500	298.15	0.0113
0.3500	308.15	0.0075
0.3500	318.15	0.0053
0.3500	328.15	0.0040
0.3500	338.15	0.0030
0.4496	298.15	0.0106
0.4496	308.15	0.0070
0.4496	318.15	0.0050
0.4496	328.15	0.0038
0.4496	338.15	0.0028
0.5000	298.15	0.0101
0.5000	308.15	0.0067
0.5000	318.15	0.0048
0.5000	328.15	0.0036
0.5000	338.15	0.0027
0.5566	298.15	0.0094
0.5566	308.15	0.0062
0.5566	318.15	0.0045
0.5566	328.15	0.0034
0.5566	338.15	0.0025
0.6422	298.15	0.0080
0.6422	308.15	0.0053
0.6422	318.15	0.0038
0.6422	328.15	0.0029
0.6422	338.15	0.0022
0.7532	298.15	0.0058
0.7532	308.15	0.0039
0.7532	318.15	0.0028
0.7532	328.15	0.0021
0.7532	338.15	0.0016
0.8516	298.15	0.0036
0.8516	308.15	0.0025
0.8516	318.15	0.0019
0.8516	328.15	0.0014
0.8516	338.15	0.0011
0.8714	298.15	0.0032
0.8714	308.15	0.0022
0.8714	318.15	0.0017
0.8714	328.15	0.0013
0.8714	338.15	0.0010
0.8856	298.15	0.0029
0.8856	308.15	0.0020
0.8856	318.15	0.0015
0.8856	328.15	0.0012
0.8856	338.15	0.0009
0.9000	298.15	0.0027
0.9000	308.15	0.0019
0.9000	318.15	0.0014
0.9000	328.15	0.0011
0.9000	338.15	0.0009
0.9249	298.15	0.0022
0.9249	308.15	0.0015
0.9249	318.15	0.0012
0.9249	328.15	0.0009
0.9249	338.15	0.0007
0.9369	298.15	0.0019
0.9369	308.15	0.0014
0.9369	318.15	0.0011
0.9369	328.15	0.0009
0.9369	338.15	0.0007
0.9526	298.15	0.0017
0.9526	308.15	0.0012
0.9526	318.15	0.0009
0.9526	328.15	0.0008
0.9526	338.15	0.0006
0.9651	298.15	0.0015
0.9651	308.15	0.0011
0.9651	318.15	0.0009
0.9651	328.15	0.0007
0.9651	338.15	0.0006
0.9748	298.15	0.0013
0.9748	308.15	0.0010
0.9748	318.15	0.0008
0.9748	328.15	0.0006
0.9748	338.15	0.0005
0.9906	298.15	0.0010
0.9906	308.15	0.0008
0.9906	318.15	0.0007
0.9906	328.15	0.0006
0.9906	338.15	0.0005

Viscosity, Pa*s [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Fixed		Measured
Mole fraction of Water (2) - Liquid	Temperature, K - Liquid	Viscosity, Pa*s - Liquid
0.0549	298.15	0.0130
0.0549	308.15	0.0086
0.0549	318.15	0.0061
0.0549	328.15	0.0046
0.0549	338.15	0.0034
0.1506	298.15	0.0123
0.1506	308.15	0.0081
0.1506	318.15	0.0058
0.1506	328.15	0.0043
0.1506	338.15	0.0032
0.2552	298.15	0.0118
0.2552	308.15	0.0078
0.2552	318.15	0.0055
0.2552	328.15	0.0041
0.2552	338.15	0.0031
0.3500	298.15	0.0113
0.3500	308.15	0.0075
0.3500	318.15	0.0053
0.3500	328.15	0.0040
0.3500	338.15	0.0030
0.4496	298.15	0.0106
0.4496	308.15	0.0070
0.4496	318.15	0.0050
0.4496	328.15	0.0038
0.4496	338.15	0.0028
0.5000	298.15	0.0101
0.5000	308.15	0.0067
0.5000	318.15	0.0048
0.5000	328.15	0.0036
0.5000	338.15	0.0027
0.5566	298.15	0.0094
0.5566	308.15	0.0062
0.5566	318.15	0.0045
0.5566	328.15	0.0034
0.5566	338.15	0.0025
0.6422	298.15	0.0080
0.6422	308.15	0.0053
0.6422	318.15	0.0038
0.6422	328.15	0.0029
0.6422	338.15	0.0022
0.7532	298.15	0.0058
0.7532	308.15	0.0039
0.7532	318.15	0.0028
0.7532	328.15	0.0021
0.7532	338.15	0.0016
0.8516	298.15	0.0036
0.8516	308.15	0.0025
0.8516	318.15	0.0019
0.8516	328.15	0.0014
0.8516	338.15	0.0011
0.8714	298.15	0.0032
0.8714	308.15	0.0022
0.8714	318.15	0.0017
0.8714	328.15	0.0013
0.8714	338.15	0.0010
0.8856	298.15	0.0029
0.8856	308.15	0.0020
0.8856	318.15	0.0015
0.8856	328.15	0.0012
0.8856	338.15	0.0009
0.9000	298.15	0.0027
0.9000	308.15	0.0019
0.9000	318.15	0.0014
0.9000	328.15	0.0011
0.9000	338.15	0.0009
0.9249	298.15	0.0022
0.9249	308.15	0.0015
0.9249	318.15	0.0012
0.9249	328.15	0.0009
0.9249	338.15	0.0007
0.9369	298.15	0.0019
0.9369	308.15	0.0014
0.9369	318.15	0.0011
0.9369	328.15	0.0009
0.9369	338.15	0.0007
0.9526	298.15	0.0017
0.9526	308.15	0.0012
0.9526	318.15	0.0009
0.9526	328.15	0.0008
0.9526	338.15	0.0006
0.9651	298.15	0.0015
0.9651	308.15	0.0011
0.9651	318.15	0.0009
0.9651	328.15	0.0007
0.9651	338.15	0.0006
0.9748	298.15	0.0013
0.9748	308.15	0.0010
0.9748	318.15	0.0008
0.9748	328.15	0.0006
0.9748	338.15	0.0005
0.9906	298.15	0.0010
0.9906	308.15	0.0008
0.9906	318.15	0.0007
0.9906	328.15	0.0006
0.9906	338.15	0.0005

Excess molar enthalpy (molar enthalpy of mixing), kJ/mol [ref]

Operational conditions:

• Pressure, kPa = 101 (Liquid)
• Temperature, K = 298.15 (Liquid)

Mole fraction of 2-Pyrrolidinone (1) - Liquid	Excess molar enthalpy (molar enthalpy of mixing), kJ/mol - Liquid
0.1013	-0.2465
0.1360	-0.3246
0.1745	-0.4090
0.2319	-0.5238
0.2775	-0.6056
0.3351	-0.6951
0.3813	-0.7545
0.4343	-0.8076
0.4783	-0.8384
0.5401	-0.8597
0.5713	-0.8600
0.6264	-0.8422
0.6771	-0.8042
0.7314	-0.7392
0.7693	-0.6780
0.8326	-0.5457
0.8951	-0.3763
0.9204	-0.2963

Excess molar enthalpy (molar enthalpy of mixing), kJ/mol [ref]

Operational conditions:

• Pressure, kPa = 101 (Liquid)
• Temperature, K = 298.15 (Liquid)

Mole fraction of 2-Pyrrolidinone (1) - Liquid	Excess molar enthalpy (molar enthalpy of mixing), kJ/mol - Liquid
0.1013	-0.2465
0.1360	-0.3246
0.1745	-0.4090
0.2319	-0.5238
0.2775	-0.6056
0.3351	-0.6951
0.3813	-0.7545
0.4343	-0.8076
0.4783	-0.8384
0.5401	-0.8597
0.5713	-0.8600
0.6264	-0.8422
0.6771	-0.8042
0.7314	-0.7392
0.7693	-0.6780
0.8326	-0.5457
0.8951	-0.3763
0.9204	-0.2963

Mass density, kg/m3 [ref]

Operational conditions:

• Pressure, kPa = 101 (Liquid)
• Temperature, K = 298.15 (Liquid)

Mole fraction of 2-Pyrrolidinone (1) - Liquid	Mass density, kg/m3 - Liquid
0.0000	997.02
0.0379	1015.26
0.0500	1020.61
0.0797	1032.48
0.1093	1042.93
0.1220	1046.78
0.1582	1056.77
0.1789	1062.24
0.2155	1070.34
0.2352	1074.91
0.2473	1077.08
0.2794	1081.92
0.3497	1088.62
0.4199	1093.46
0.5013	1097.41
0.5490	1099.18
0.6133	1101.6
0.6705	1102.82
0.7037	1103.16
0.8117	1105.88
0.8353	1106.12
0.8593	1106.38
0.8813	1106.59
0.9413	1107.13
1.0000	1107.52

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Fixed		Measured
Mole fraction of Water (2) - Liquid	Temperature, K - Liquid	Mass density, kg/m3 - Liquid
0.0549	298.15	1106.526
0.0549	308.15	1098.695
0.0549	318.15	1090.542
0.0549	328.15	1082.327
0.0549	338.15	1070.159
0.1506	298.15	1105.773
0.1506	308.15	1097.661
0.1506	318.15	1089.509
0.1506	328.15	1081.196
0.1506	338.15	1069.046
0.2552	298.15	1104.431
0.2552	308.15	1095.978
0.2552	318.15	1087.868
0.2552	328.15	1079.483
0.2552	338.15	1067.398
0.3500	298.15	1102.414
0.3500	308.15	1093.809
0.3500	318.15	1085.687
0.3500	328.15	1077.266
0.3500	338.15	1065.293
0.4496	298.15	1099.528
0.4496	308.15	1090.937
0.4496	318.15	1082.746
0.4496	328.15	1074.293
0.4496	338.15	1062.476
0.5000	298.15	1097.707
0.5000	308.15	1089.174
0.5000	318.15	1080.944
0.5000	328.15	1072.476
0.5000	338.15	1060.756
0.5566	298.15	1095.198
0.5566	308.15	1086.763
0.5566	318.15	1078.508
0.5566	328.15	1070.034
0.5566	338.15	1058.452
0.6422	298.15	1089.778
0.6422	308.15	1081.571
0.6422	318.15	1073.382
0.6422	328.15	1064.97
0.6422	338.15	1053.706
0.7532	298.15	1077.068
0.7532	308.15	1069.46
0.7532	318.15	1061.724
0.7532	328.15	1053.715
0.7532	338.15	1043.279
0.8516	298.15	1056.032
0.8516	308.15	1049.571
0.8516	318.15	1042.81
0.8516	328.15	1035.738
0.8516	338.15	1026.746
0.8714	298.15	1050.24
0.8714	308.15	1044.114
0.8714	318.15	1037.634
0.8714	328.15	1030.836
0.8714	338.15	1022.241
0.8856	298.15	1045.714
0.8856	308.15	1039.853
0.8856	318.15	1033.594
0.8856	328.15	1027.01
0.8856	338.15	1018.725
0.9000	298.15	1040.795
0.9000	308.15	1035.224
0.9000	318.15	1029.206
0.9000	328.15	1022.853
0.9000	338.15	1014.902
0.9249	298.15	1031.477
0.9249	308.15	1026.46
0.9249	318.15	1020.902
0.9249	328.15	1014.979
0.9249	338.15	1007.653
0.9369	298.15	1026.612
0.9369	308.15	1021.884
0.9369	318.15	1016.567
0.9369	328.15	1010.864
0.9369	338.15	1003.859
0.9526	298.15	1019.875
0.9526	308.15	1015.546
0.9526	318.15	1010.565
0.9526	328.15	1005.156
0.9526	338.15	998.592
0.9651	298.15	1014.212
0.9651	308.15	1010.216
0.9651	318.15	1005.519
0.9651	328.15	1000.348
0.9651	338.15	994.147
0.9748	298.15	1009.637
0.9748	308.15	1005.907
0.9748	318.15	1001.441
0.9748	328.15	996.455
0.9748	338.15	990.543
0.9906	298.15	1001.87
0.9906	308.15	995.75
0.9906	318.15	995.2
0.9906	328.15	989.833
0.9906	338.15	984.343

Mass density, kg/m3 [ref]

Operational conditions:

• Pressure, kPa = 101 (Liquid)
• Temperature, K = 298.15 (Liquid)

Mole fraction of 2-Pyrrolidinone (1) - Liquid	Mass density, kg/m3 - Liquid
0.0000	997.02
0.0379	1015.26
0.0500	1020.61
0.0797	1032.48
0.1093	1042.93
0.1220	1046.78
0.1582	1056.77
0.1789	1062.24
0.2155	1070.34
0.2352	1074.91
0.2473	1077.08
0.2794	1081.92
0.3497	1088.62
0.4199	1093.46
0.5013	1097.41
0.5490	1099.18
0.6133	1101.6
0.6705	1102.82
0.7037	1103.16
0.8117	1105.88
0.8353	1106.12
0.8593	1106.38
0.8813	1106.59
0.9413	1107.13
1.0000	1107.52

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Fixed		Measured
Mole fraction of Water (2) - Liquid	Temperature, K - Liquid	Mass density, kg/m3 - Liquid
0.0549	298.15	1106.526
0.0549	308.15	1098.695
0.0549	318.15	1090.542
0.0549	328.15	1082.327
0.0549	338.15	1070.159
0.1506	298.15	1105.773
0.1506	308.15	1097.661
0.1506	318.15	1089.509
0.1506	328.15	1081.196
0.1506	338.15	1069.046
0.2552	298.15	1104.431
0.2552	308.15	1095.978
0.2552	318.15	1087.868
0.2552	328.15	1079.483
0.2552	338.15	1067.398
0.3500	298.15	1102.414
0.3500	308.15	1093.809
0.3500	318.15	1085.687
0.3500	328.15	1077.266
0.3500	338.15	1065.293
0.4496	298.15	1099.528
0.4496	308.15	1090.937
0.4496	318.15	1082.746
0.4496	328.15	1074.293
0.4496	338.15	1062.476
0.5000	298.15	1097.707
0.5000	308.15	1089.174
0.5000	318.15	1080.944
0.5000	328.15	1072.476
0.5000	338.15	1060.756
0.5566	298.15	1095.198
0.5566	308.15	1086.763
0.5566	318.15	1078.508
0.5566	328.15	1070.034
0.5566	338.15	1058.452
0.6422	298.15	1089.778
0.6422	308.15	1081.571
0.6422	318.15	1073.382
0.6422	328.15	1064.97
0.6422	338.15	1053.706
0.7532	298.15	1077.068
0.7532	308.15	1069.46
0.7532	318.15	1061.724
0.7532	328.15	1053.715
0.7532	338.15	1043.279
0.8516	298.15	1056.032
0.8516	308.15	1049.571
0.8516	318.15	1042.81
0.8516	328.15	1035.738
0.8516	338.15	1026.746
0.8714	298.15	1050.24
0.8714	308.15	1044.114
0.8714	318.15	1037.634
0.8714	328.15	1030.836
0.8714	338.15	1022.241
0.8856	298.15	1045.714
0.8856	308.15	1039.853
0.8856	318.15	1033.594
0.8856	328.15	1027.01
0.8856	338.15	1018.725
0.9000	298.15	1040.795
0.9000	308.15	1035.224
0.9000	318.15	1029.206
0.9000	328.15	1022.853
0.9000	338.15	1014.902
0.9249	298.15	1031.477
0.9249	308.15	1026.46
0.9249	318.15	1020.902
0.9249	328.15	1014.979
0.9249	338.15	1007.653
0.9369	298.15	1026.612
0.9369	308.15	1021.884
0.9369	318.15	1016.567
0.9369	328.15	1010.864
0.9369	338.15	1003.859
0.9526	298.15	1019.875
0.9526	308.15	1015.546
0.9526	318.15	1010.565
0.9526	328.15	1005.156
0.9526	338.15	998.592
0.9651	298.15	1014.212
0.9651	308.15	1010.216
0.9651	318.15	1005.519
0.9651	328.15	1000.348
0.9651	338.15	994.147
0.9748	298.15	1009.637
0.9748	308.15	1005.907
0.9748	318.15	1001.441
0.9748	328.15	996.455
0.9748	338.15	990.543
0.9906	298.15	1001.87
0.9906	308.15	995.75
0.9906	318.15	995.2
0.9906	328.15	989.833
0.9906	338.15	984.343

Speed of sound, m/s [ref]

Operational conditions:

• Pressure, kPa = 101 (Liquid)
• Temperature, K = 298.15 (Liquid)

Mole fraction of 2-Pyrrolidinone (1) - Liquid	Speed of sound, m/s - Liquid
0.0000	1497.03
0.0379	1577.37
0.0500	1597.62
0.0797	1632.11
0.1093	1670.03
0.1220	1684.53
0.1582	1708.04
0.1789	1716.48
0.2155	1726.63
0.2352	1732.07
0.2473	1735.25
0.2794	1737.27
0.3497	1735.45
0.4199	1727.83
0.5013	1715.75
0.5490	1708.84
0.6133	1698.72
0.6705	1683.44
0.7037	1678.52
0.8117	1658.04
0.8353	1654.56
0.8593	1651.32
0.8813	1647.92
0.9413	1640.7
1.0000	1633.68

Speed of sound, m/s [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Fixed		Measured
Mole fraction of Water (2) - Liquid	Temperature, K - Liquid	Speed of sound, m/s - Liquid
0.0549	298.15	1637.8
0.0549	308.15	1609.2
0.0549	318.15	1570.0
0.0549	328.15	1556.0
0.0549	338.15	1526.1
0.1506	298.15	1641.1
0.1506	308.15	1618.7
0.1506	318.15	1576.7
0.1506	328.15	1562.4
0.1506	338.15	1532.8
0.2552	298.15	1662.0
0.2552	308.15	1635.9
0.2552	318.15	1589.9
0.2552	328.15	1574.8
0.2552	338.15	1545.0
0.3500	298.15	1691.1
0.3500	308.15	1657.3
0.3500	318.15	1608.9
0.3500	328.15	1592.4
0.3500	338.15	1562.0
0.4496	298.15	1711.7
0.4496	308.15	1679.0
0.4496	318.15	1630.3
0.4496	328.15	1612.3
0.4496	338.15	1581.5
0.5000	298.15	1717.9
0.5000	308.15	1688.1
0.5000	318.15	1640.2
0.5000	328.15	1621.7
0.5000	338.15	1590.8
0.5566	298.15	1723.5
0.5566	308.15	1696.7
0.5566	318.15	1650.3
0.5566	328.15	1631.3
0.5566	338.15	1600.7
0.6422	298.15	1728.3
0.6422	308.15	1706.4
0.6422	318.15	1663.9
0.6422	328.15	1644.8
0.6422	338.15	1615.2
0.7532	298.15	1730.9
0.7532	308.15	1711.6
0.7532	318.15	1678.2
0.7532	328.15	1659.9
0.7532	338.15	1632.8
0.8516	298.15	1715.4
0.8516	308.15	1695.1
0.8516	318.15	1675.0
0.8516	328.15	1660.2
0.8516	338.15	1638.6
0.8714	298.15	1704.6
0.8714	308.15	1686.1
0.8714	318.15	1669.5
0.8714	328.15	1656.2
0.8714	338.15	1636.4
0.8856	298.15	1694.1
0.8856	308.15	1677.9
0.8856	318.15	1664.0
0.8856	328.15	1652.0
0.8856	338.15	1633.7
0.9000	298.15	1681.0
0.9000	308.15	1667.7
0.9000	318.15	1656.8
0.9000	328.15	1646.3
0.9000	338.15	1629.8
0.9249	298.15	1650.9
0.9249	308.15	1645.0
0.9249	318.15	1639.6
0.9249	328.15	1632.4
0.9249	338.15	1619.7
0.9369	298.15	1632.7
0.9369	308.15	1631.3
0.9369	318.15	1628.8
0.9369	328.15	1623.5
0.9369	338.15	1613.0
0.9526	298.15	1605.5
0.9526	308.15	1610.1
0.9526	318.15	1611.8
0.9526	328.15	1609.4
0.9526	338.15	1602.2
0.9651	298.15	1580.7
0.9651	308.15	1590.4
0.9651	318.15	1595.5
0.9651	328.15	1595.8
0.9651	338.15	1591.6
0.9748	298.15	1559.8
0.9748	308.15	1573.1
0.9748	318.15	1581.1
0.9748	328.15	1583.8
0.9748	338.15	1582.0
0.9906	298.15	1522.6
0.9906	308.15	1540.9
0.9906	318.15	1553.7
0.9906	328.15	1560.8
0.9906	338.15	1563.7

Speed of sound, m/s [ref]

Operational conditions:

• Pressure, kPa = 101 (Liquid)
• Temperature, K = 298.15 (Liquid)

Mole fraction of 2-Pyrrolidinone (1) - Liquid	Speed of sound, m/s - Liquid
0.0000	1497.03
0.0379	1577.37
0.0500	1597.62
0.0797	1632.11
0.1093	1670.03
0.1220	1684.53
0.1582	1708.04
0.1789	1716.48
0.2155	1726.63
0.2352	1732.07
0.2473	1735.25
0.2794	1737.27
0.3497	1735.45
0.4199	1727.83
0.5013	1715.75
0.5490	1708.84
0.6133	1698.72
0.6705	1683.44
0.7037	1678.52
0.8117	1658.04
0.8353	1654.56
0.8593	1651.32
0.8813	1647.92
0.9413	1640.7
1.0000	1633.68

Speed of sound, m/s [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Fixed		Measured
Mole fraction of Water (2) - Liquid	Temperature, K - Liquid	Speed of sound, m/s - Liquid
0.0549	298.15	1637.8
0.0549	308.15	1609.2
0.0549	318.15	1570.0
0.0549	328.15	1556.0
0.0549	338.15	1526.1
0.1506	298.15	1641.1
0.1506	308.15	1618.7
0.1506	318.15	1576.7
0.1506	328.15	1562.4
0.1506	338.15	1532.8
0.2552	298.15	1662.0
0.2552	308.15	1635.9
0.2552	318.15	1589.9
0.2552	328.15	1574.8
0.2552	338.15	1545.0
0.3500	298.15	1691.1
0.3500	308.15	1657.3
0.3500	318.15	1608.9
0.3500	328.15	1592.4
0.3500	338.15	1562.0
0.4496	298.15	1711.7
0.4496	308.15	1679.0
0.4496	318.15	1630.3
0.4496	328.15	1612.3
0.4496	338.15	1581.5
0.5000	298.15	1717.9
0.5000	308.15	1688.1
0.5000	318.15	1640.2
0.5000	328.15	1621.7
0.5000	338.15	1590.8
0.5566	298.15	1723.5
0.5566	308.15	1696.7
0.5566	318.15	1650.3
0.5566	328.15	1631.3
0.5566	338.15	1600.7
0.6422	298.15	1728.3
0.6422	308.15	1706.4
0.6422	318.15	1663.9
0.6422	328.15	1644.8
0.6422	338.15	1615.2
0.7532	298.15	1730.9
0.7532	308.15	1711.6
0.7532	318.15	1678.2
0.7532	328.15	1659.9
0.7532	338.15	1632.8
0.8516	298.15	1715.4
0.8516	308.15	1695.1
0.8516	318.15	1675.0
0.8516	328.15	1660.2
0.8516	338.15	1638.6
0.8714	298.15	1704.6
0.8714	308.15	1686.1
0.8714	318.15	1669.5
0.8714	328.15	1656.2
0.8714	338.15	1636.4
0.8856	298.15	1694.1
0.8856	308.15	1677.9
0.8856	318.15	1664.0
0.8856	328.15	1652.0
0.8856	338.15	1633.7
0.9000	298.15	1681.0
0.9000	308.15	1667.7
0.9000	318.15	1656.8
0.9000	328.15	1646.3
0.9000	338.15	1629.8
0.9249	298.15	1650.9
0.9249	308.15	1645.0
0.9249	318.15	1639.6
0.9249	328.15	1632.4
0.9249	338.15	1619.7
0.9369	298.15	1632.7
0.9369	308.15	1631.3
0.9369	318.15	1628.8
0.9369	328.15	1623.5
0.9369	338.15	1613.0
0.9526	298.15	1605.5
0.9526	308.15	1610.1
0.9526	318.15	1611.8
0.9526	328.15	1609.4
0.9526	338.15	1602.2
0.9651	298.15	1580.7
0.9651	308.15	1590.4
0.9651	318.15	1595.5
0.9651	328.15	1595.8
0.9651	338.15	1591.6
0.9748	298.15	1559.8
0.9748	308.15	1573.1
0.9748	318.15	1581.1
0.9748	328.15	1583.8
0.9748	338.15	1582.0
0.9906	298.15	1522.6
0.9906	308.15	1540.9
0.9906	318.15	1553.7
0.9906	328.15	1560.8
0.9906	338.15	1563.7

Surface tension liquid-gas, N/m [ref]

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 2-Pyrrolidinone (1) - Liquid	Surface tension liquid-gas, N/m - Liquid
293.15	0.0000	0.0727
293.15	0.0002	0.0604
293.15	0.0006	0.0557
293.15	0.0100	0.0529
293.15	0.0150	0.0524
293.15	0.0500	0.0507
293.15	0.0700	0.0503
293.15	0.1000	0.0500
293.15	0.2000	0.0489
293.15	0.3000	0.0479
293.15	0.4000	0.0475
293.15	0.5000	0.0472
293.15	0.6000	0.0471
293.15	0.7000	0.0471
293.15	0.8000	0.0469
293.15	0.9000	0.0466
293.15	1.0000	0.0463
298.15	0.0000	0.0721
298.15	0.0002	0.0589
298.15	0.0006	0.0546
298.15	0.0100	0.0517
298.15	0.0150	0.0512
298.15	0.0500	0.0496
298.15	0.0700	0.0493
298.15	0.1000	0.0489
298.15	0.2000	0.0481
298.15	0.3000	0.0472
298.15	0.4000	0.0469
298.15	0.5000	0.0467
298.15	0.6000	0.0466
298.15	0.7000	0.0464
298.15	0.8000	0.0464
298.15	0.9000	0.0461
298.15	1.0000	0.0458
303.15	0.0000	0.0712
303.15	0.0002	0.0573
303.15	0.0006	0.0539
303.15	0.0100	0.0508
303.15	0.0150	0.0502
303.15	0.0500	0.0487
303.15	0.0700	0.0485
303.15	0.1000	0.0480
303.15	0.2000	0.0471
303.15	0.3000	0.0464
303.15	0.4000	0.0462
303.15	0.5000	0.0460
303.15	0.6000	0.0458
303.15	0.7000	0.0457
303.15	0.8000	0.0457
303.15	0.9000	0.0455
303.15	1.0000	0.0452
313.15	0.0000	0.0695
313.15	0.0002	0.0554
313.15	0.0006	0.0522
313.15	0.0100	0.0498
313.15	0.0150	0.0493
313.15	0.0500	0.0478
313.15	0.0700	0.0470
313.15	0.1000	0.0465
313.15	0.2000	0.0459
313.15	0.3000	0.0454
313.15	0.4000	0.0453
313.15	0.5000	0.0452
313.15	0.6000	0.0449
313.15	0.7000	0.0450
313.15	0.8000	0.0447
313.15	0.9000	0.0445
313.15	1.0000	0.0441
323.15	0.0000	0.0679
323.15	0.0002	0.0532
323.15	0.0006	0.0510
323.15	0.0100	0.0491
323.15	0.0150	0.0487
323.15	0.0500	0.0463
323.15	0.0700	0.0459
323.15	0.1000	0.0456
323.15	0.2000	0.0451
323.15	0.3000	0.0446
323.15	0.4000	0.0445
323.15	0.5000	0.0445
323.15	0.6000	0.0442
323.15	0.7000	0.0442
323.15	0.8000	0.0439
323.15	0.9000	0.0438
323.15	1.0000	0.0432

Surface tension liquid-gas, N/m [ref]

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 2-Pyrrolidinone (1) - Liquid	Surface tension liquid-gas, N/m - Liquid
293.15	0.0000	0.0727
293.15	0.0002	0.0604
293.15	0.0006	0.0557
293.15	0.0100	0.0529
293.15	0.0150	0.0524
293.15	0.0500	0.0507
293.15	0.0700	0.0503
293.15	0.1000	0.0500
293.15	0.2000	0.0489
293.15	0.3000	0.0479
293.15	0.4000	0.0475
293.15	0.5000	0.0472
293.15	0.6000	0.0471
293.15	0.7000	0.0471
293.15	0.8000	0.0469
293.15	0.9000	0.0466
293.15	1.0000	0.0463
298.15	0.0000	0.0721
298.15	0.0002	0.0589
298.15	0.0006	0.0546
298.15	0.0100	0.0517
298.15	0.0150	0.0512
298.15	0.0500	0.0496
298.15	0.0700	0.0493
298.15	0.1000	0.0489
298.15	0.2000	0.0481
298.15	0.3000	0.0472
298.15	0.4000	0.0469
298.15	0.5000	0.0467
298.15	0.6000	0.0466
298.15	0.7000	0.0464
298.15	0.8000	0.0464
298.15	0.9000	0.0461
298.15	1.0000	0.0458
303.15	0.0000	0.0712
303.15	0.0002	0.0573
303.15	0.0006	0.0539
303.15	0.0100	0.0508
303.15	0.0150	0.0502
303.15	0.0500	0.0487
303.15	0.0700	0.0485
303.15	0.1000	0.0480
303.15	0.2000	0.0471
303.15	0.3000	0.0464
303.15	0.4000	0.0462
303.15	0.5000	0.0460
303.15	0.6000	0.0458
303.15	0.7000	0.0457
303.15	0.8000	0.0457
303.15	0.9000	0.0455
303.15	1.0000	0.0452
313.15	0.0000	0.0695
313.15	0.0002	0.0554
313.15	0.0006	0.0522
313.15	0.0100	0.0498
313.15	0.0150	0.0493
313.15	0.0500	0.0478
313.15	0.0700	0.0470
313.15	0.1000	0.0465
313.15	0.2000	0.0459
313.15	0.3000	0.0454
313.15	0.4000	0.0453
313.15	0.5000	0.0452
313.15	0.6000	0.0449
313.15	0.7000	0.0450
313.15	0.8000	0.0447
313.15	0.9000	0.0445
313.15	1.0000	0.0441
323.15	0.0000	0.0679
323.15	0.0002	0.0532
323.15	0.0006	0.0510
323.15	0.0100	0.0491
323.15	0.0150	0.0487
323.15	0.0500	0.0463
323.15	0.0700	0.0459
323.15	0.1000	0.0456
323.15	0.2000	0.0451
323.15	0.3000	0.0446
323.15	0.4000	0.0445
323.15	0.5000	0.0445
323.15	0.6000	0.0442
323.15	0.7000	0.0442
323.15	0.8000	0.0439
323.15	0.9000	0.0438
323.15	1.0000	0.0432

Sources

• Isentropic compressibilities of (amide + water) mixtures: A comparative study
• Excess molar enthalpies for [emim][BF4] + pyrrolidin-2-one or 1-methyl pyrrolidin-2-one + pyridine or water mixtures
• Densities, Viscosities, Speeds of Sound, and Relative Permittivities for Water + Cyclic Amides (2-Pyrrolidinone, 1-Methyl-2-pyrrolidinone, and 1-Vinyl-2-pyrrolidinone) at Different Temperatures
• Surface Tension of Aqueous Solutions of Short N-Alkyl-2-pyrrolidinones