1-Butene#

References#

Equation of State#

Eric W. Lemmon and E. Christian Ihmels. Thermodynamic properties of the butenes Part II. Short fundamental equations of state. Fluid Phase Equilib., 228-229:173–187, 2005. doi:10.1016/j.fluid.2004.09.004.

Surface Tension#

A. Mulero, I. Cachadiña, and M. I. Parra. Recommended Correlations for the Surface Tension of Common Fluids. J. Phys. Chem. Ref. Data, 41(4):043105–1:13, 2012. doi:10.1063/1.4768782.

Aliases#

1Butene, 1BUTENE, 1-BUTENE, Butene

Molecular Structure#

1-Butene — 3D conformer (interactive: click and drag to rotate)

Fluid Information#

Parameter, Value

General

Molar mass [kg/mol]

0.05610631999999999

CAS number

106-98-9

ASHRAE class

UNKNOWN

Formula

C4H8

Acentric factor

0.191860647355

InChI

InChI=1S/C4H8/c1-3-4-2/h3H,1,4H2,2H3

InChIKey

VXNZUUAINFGPBY-UHFFFAOYSA-N

SMILES

CCC=C

ChemSpider ID

7556

Limits

Maximum temperature [K]

525.0

Maximum pressure [Pa]

50000000.0

Triple point

Triple point temperature [K]

87.80000000000001

Triple point pressure [Pa]

\(7.563664543837497\times 10^{-07}\)

Critical point

Critical point temperature [K]

419.29017967227105

Critical point density [kg/m3]

237.89418442243013

Critical point density [mol/m3]

4240.06037862455

Critical point pressure [Pa]

4005723.7313242294

REFPROP Validation Data#

Note

This figure compares the results generated from CoolProp and those generated from REFPROP. They are all results obtained in the form \(Y(T,\rho)\), where \(Y\) is the parameter of interest and which for all EOS is a direct evaluation of the EOS

You can download the script that generated the following figure here: (link to script), right-click the link and then save as… or the equivalent in your browser. You can also download this figure as a PDF.

../../_images/1-Butene.png

Consistency Plots#

The following figure shows all the flash routines that are available for this fluid. A red + is a failure of the flash routine, a black dot is a success. Hopefully you will only see black dots. The red curve is the maximum temperature curve, and the blue curve is the melting line if one is available for the fluid.

In this figure, we start off with a state point given by T,P and then we calculate each of the other possible output pairs in turn, and then try to re-calculate T,P from the new input pair. If we don’t arrive back at the original T,P values, there is a problem in the flash routine in CoolProp. For more information on how these figures were generated, see CoolProp.Plots.ConsistencyPlots

Note

You can download the script that generated the following figure here: (link to script), right-click the link and then save as… or the equivalent in your browser. You can also download this figure as a PDF.

../../_images/1-Butene1.png

Flash consistency (HEOS): 284 inconsistent, 0 exceptions, 0 bad-phase across 11 input pair(s).

Download full failure list (CSV)

Failing state points (sample, up to 20 per pair/class)

Pair

Class

Region

P [Pa]

T [K]

In1

Val1

In2

Val2

Error

DmolarHmolar

INCONSISTENT

1phase

0.000230586

88.9

Dmolar

14560.1

Hmolar

-19632.7

DmolarHmolar

INCONSISTENT

1phase

0.000101995

88.9

Dmolar

14560.1

Hmolar

-19632.7

DmolarHmolar

INCONSISTENT

1phase

4.51154e-05

88.9

Dmolar

14560.1

Hmolar

-19632.7

DmolarHmolar

INCONSISTENT

1phase

1.99559e-05

88.9

Dmolar

14560.1

Hmolar

-19632.7

DmolarHmolar

INCONSISTENT

1phase

8.82707e-06

88.9

Dmolar

14560.1

Hmolar

-19632.7

DmolarHmolar

INCONSISTENT

1phase

3.90447e-06

88.9

Dmolar

14560.1

Hmolar

-19632.7

DmolarHmolar

INCONSISTENT

1phase

0.000230586

100.082

Dmolar

14339.4

Hmolar

-18422.5

DmolarHmolar

INCONSISTENT

1phase

1.72706e-06

88.9

Dmolar

14560.1

Hmolar

-19632.7

DmolarHmolar

INCONSISTENT

1phase

0.0005213

88.9

Dmolar

14560.1

Hmolar

-19632.7

DmolarP

INCONSISTENT

1phase

2.21165e+07

88.9

Dmolar

14678.7

P

2.21165e+07

DmolarP

INCONSISTENT

1phase

4.3272e+06

88.9

Dmolar

14584.2

P

4.3272e+06

DmolarP

INCONSISTENT

1phase

9.78276e+06

88.9

Dmolar

14613.9

P

9.78276e+06

DmolarP

INCONSISTENT

1phase

5e+07

88.9

Dmolar

14815.1

P

5e+07

DmolarP

INCONSISTENT

1phase

0.0005213

100.082

Dmolar

14339.4

P

0.000521092

DmolarP

INCONSISTENT

1phase

0.000230586

100.082

Dmolar

14339.4

P

0.000230116

DmolarP

INCONSISTENT

1phase

8.82707e-06

88.9

Dmolar

14560.1

P

8.92909e-06

DmolarP

INCONSISTENT

1phase

4.51154e-05

88.9

Dmolar

14560.1

P

4.58283e-05

DmolarP

INCONSISTENT

1phase

1.72706e-06

88.9

Dmolar

14560.1

P

1.99778e-06

DmolarP

INCONSISTENT

1phase

0.804222

133.628

Dmolar

13688.8

P

0.804222

DmolarP

INCONSISTENT

1phase

0.355731

100.082

Dmolar

14339.4

P

0.355731

DmolarP

INCONSISTENT

1phase

0.15735

111.264

Dmolar

14120.2

P

0.15735

DmolarP

INCONSISTENT

1phase

0.15735

100.082

Dmolar

14339.4

P

0.15735

DmolarP

INCONSISTENT

1phase

0.0307864

88.9

Dmolar

14560.1

P

0.0307863

DmolarP

INCONSISTENT

1phase

0.00117853

100.082

Dmolar

14339.4

P

0.00117788

DmolarP

INCONSISTENT

1phase

0.0696007

88.9

Dmolar

14560.1

P

0.0696013

DmolarP

INCONSISTENT

1phase

0.0307864

111.264

Dmolar

14120.2

P

0.0307857

DmolarP

INCONSISTENT

1phase

0.0136177

100.082

Dmolar

14339.4

P

0.0136186

DmolarP

INCONSISTENT

1phase

0.0307864

100.082

Dmolar

14339.4

P

0.0307859

DmolarP

INCONSISTENT

1phase

0.0136177

88.9

Dmolar

14560.1

P

0.0136183

DmolarSmolar

INCONSISTENT

1phase

0.00117853

88.9

Dmolar

14560.1

Smolar

-120.092

DmolarSmolar

INCONSISTENT

1phase

0.0005213

88.9

Dmolar

14560.1

Smolar

-120.092

DmolarSmolar

INCONSISTENT

1phase

0.000230586

88.9

Dmolar

14560.1

Smolar

-120.092

DmolarSmolar

INCONSISTENT

1phase

0.000101995

88.9

Dmolar

14560.1

Smolar

-120.092

DmolarSmolar

INCONSISTENT

1phase

4.51154e-05

88.9

Dmolar

14560.1

Smolar

-120.092

DmolarSmolar

INCONSISTENT

1phase

1.99559e-05

88.9

Dmolar

14560.1

Smolar

-120.092

DmolarSmolar

INCONSISTENT

1phase

0.00117853

100.082

Dmolar

14339.4

Smolar

-107.268

DmolarSmolar

INCONSISTENT

1phase

8.82707e-06

88.9

Dmolar

14560.1

Smolar

-120.092

DmolarSmolar

INCONSISTENT

1phase

0.0005213

100.082

Dmolar

14339.4

Smolar

-107.268

DmolarSmolar

INCONSISTENT

1phase

3.90447e-06

88.9

Dmolar

14560.1

Smolar

-120.092

DmolarSmolar

INCONSISTENT

1phase

0.000230586

100.082

Dmolar

14339.4

Smolar

-107.268

DmolarSmolar

INCONSISTENT

1phase

1.72706e-06

88.9

Dmolar

14560.1

Smolar

-120.092

DmolarT

INCONSISTENT

2phase

9.82532e-07

88.8

Dmolar

14562.1

T

88.8

DmolarT

INCONSISTENT

1phase

1.72706e-06

88.9

Dmolar

14560.1

T

88.9

DmolarT

INCONSISTENT

1phase

3.90447e-06

88.9

Dmolar

14560.1

T

88.9

DmolarT

INCONSISTENT

2phase

9.82532e-07

88.8

Dmolar

1.30328e-09

T

88.8

DmolarT

INCONSISTENT

1phase

1.99559e-05

88.9

Dmolar

14560.1

T

88.9

DmolarT

INCONSISTENT

1phase

4.51154e-05

88.9

Dmolar

14560.1

T

88.9

DmolarT

INCONSISTENT

1phase

0.000101995

88.9

Dmolar

14560.1

T

88.9

DmolarT

INCONSISTENT

1phase

0.0005213

88.9

Dmolar

14560.1

T

88.9

DmolarT

INCONSISTENT

1phase

0.000230586

100.082

Dmolar

14339.4

T

100.082

DmolarT

INCONSISTENT

1phase

0.00117853

88.9

Dmolar

14560.1

T

88.9

DmolarT

INCONSISTENT

1phase

0.000230586

88.9

Dmolar

14560.1

T

88.9

DmolarT

INCONSISTENT

2phase

0.000852462

106.142

Dmolar

14220.3

T

106.142

DmolarT

INCONSISTENT

1phase

0.00117853

100.082

Dmolar

14339.4

T

100.082

DmolarUmolar

INCONSISTENT

1phase

0.00117853

88.9

Dmolar

14560.1

Umolar

-19632.7

DmolarUmolar

INCONSISTENT

1phase

0.0005213

88.9

Dmolar

14560.1

Umolar

-19632.7

DmolarUmolar

INCONSISTENT

1phase

0.000230586

88.9

Dmolar

14560.1

Umolar

-19632.7

DmolarUmolar

INCONSISTENT

1phase

0.000101995

88.9

Dmolar

14560.1

Umolar

-19632.7

DmolarUmolar

INCONSISTENT

1phase

4.51154e-05

88.9

Dmolar

14560.1

Umolar

-19632.7

DmolarUmolar

INCONSISTENT

1phase

1.99559e-05

88.9

Dmolar

14560.1

Umolar

-19632.7

DmolarUmolar

INCONSISTENT

1phase

0.00117853

100.082

Dmolar

14339.4

Umolar

-18422.5

DmolarUmolar

INCONSISTENT

1phase

8.82707e-06

88.9

Dmolar

14560.1

Umolar

-19632.7

DmolarUmolar

INCONSISTENT

1phase

0.0005213

100.082

Dmolar

14339.4

Umolar

-18422.5

DmolarUmolar

INCONSISTENT

1phase

3.90447e-06

88.9

Dmolar

14560.1

Umolar

-19632.7

DmolarUmolar

INCONSISTENT

1phase

0.000230586

100.082

Dmolar

14339.4

Umolar

-18422.5

DmolarUmolar

INCONSISTENT

1phase

1.72706e-06

88.9

Dmolar

14560.1

Umolar

-19632.7

HmolarP

INCONSISTENT

1phase

1.72706e-06

88.9

Hmolar

-19632.7

P

1.99778e-06

HmolarP

INCONSISTENT

1phase

3.90447e-06

88.9

Hmolar

-19632.7

P

4.71606e-06

HmolarP

INCONSISTENT

2phase

9.82532e-07

88.8

Hmolar

-19643.6

P

9.82532e-07

HmolarP

INCONSISTENT

1phase

4.51154e-05

88.9

Hmolar

-19632.7

P

4.58283e-05

HmolarP

INCONSISTENT

1phase

1.99559e-05

88.9

Hmolar

-19632.7

P

2.0218e-05

HmolarP

INCONSISTENT

1phase

0.000101995

88.9

Hmolar

-19632.7

P

0.000102685

HmolarP

INCONSISTENT

1phase

8.82707e-06

88.9

Hmolar

-19632.7

P

8.92909e-06

HmolarP

INCONSISTENT

1phase

0.000230586

88.9

Hmolar

-19632.7

P

0.000230916

HmolarP

INCONSISTENT

1phase

0.0005213

100.082

Hmolar

-18422.5

P

0.000521092

HmolarSmolar

INCONSISTENT

2phase

9.82532e-07

88.8

Hmolar

-19643.6

Smolar

-120.214

HmolarSmolar

INCONSISTENT

1phase

0.000230586

88.9

Hmolar

-19632.7

Smolar

-120.092

HmolarSmolar

INCONSISTENT

1phase

8.82707e-06

88.9

Hmolar

-19632.7

Smolar

-120.092

HmolarSmolar

INCONSISTENT

1phase

4.51154e-05

88.9

Hmolar

-19632.7

Smolar

-120.092

HmolarSmolar

INCONSISTENT

1phase

0.0005213

100.082

Hmolar

-18422.5

Smolar

-107.268

HmolarSmolar

INCONSISTENT

1phase

1.72706e-06

88.9

Hmolar

-19632.7

Smolar

-120.092

HmolarSmolar

INCONSISTENT

1phase

0.000230586

100.082

Hmolar

-18422.5

Smolar

-107.268

HmolarSmolar

INCONSISTENT

1phase

3.90447e-06

88.9

Hmolar

-19632.7

Smolar

-120.092

HmolarSmolar

INCONSISTENT

2phase

0.000852462

106.142

Hmolar

-17772

Smolar

-100.957

HmolarSmolar

INCONSISTENT

1phase

1.99559e-05

88.9

Hmolar

-19632.7

Smolar

-120.092

HmolarSmolar

INCONSISTENT

1phase

0.000101995

88.9

Hmolar

-19632.7

Smolar

-120.092

HmolarSmolar

INCONSISTENT

2phase

9.82532e-07

88.8

Hmolar

11537.2

Smolar

230.921

HmolarSmolar

INCONSISTENT

1phase

0.0005213

88.9

Hmolar

-19632.7

Smolar

-120.092

HmolarSmolar

INCONSISTENT

1phase

0.00117853

88.9

Hmolar

-19632.7

Smolar

-120.092

HmolarSmolar

INCONSISTENT

1phase

0.00117853

100.082

Hmolar

-18422.5

Smolar

-107.268

PSmolar

INCONSISTENT

1phase

1.72706e-06

88.9

P

1.99778e-06

Smolar

-120.092

PSmolar

INCONSISTENT

1phase

3.90447e-06

88.9

P

4.71606e-06

Smolar

-120.092

PSmolar

INCONSISTENT

1phase

8.82707e-06

88.9

P

8.92909e-06

Smolar

-120.092

PSmolar

INCONSISTENT

1phase

1.99559e-05

88.9

P

2.0218e-05

Smolar

-120.092

PSmolar

INCONSISTENT

1phase

4.51154e-05

88.9

P

4.58283e-05

Smolar

-120.092

PSmolar

INCONSISTENT

2phase

9.82532e-07

88.8

P

9.82532e-07

Smolar

-120.214

PSmolar

INCONSISTENT

1phase

0.000230586

88.9

P

0.000230916

Smolar

-120.092

PSmolar

INCONSISTENT

1phase

0.0005213

88.9

P

0.000520695

Smolar

-120.092

PSmolar

INCONSISTENT

1phase

0.000230586

100.082

P

0.000230116

Smolar

-107.268

PT

INCONSISTENT

1phase

1.99559e-05

88.9

P

2.0218e-05

T

88.9

PT

INCONSISTENT

1phase

8.82707e-06

88.9

P

8.92909e-06

T

88.9

PT

INCONSISTENT

1phase

4.51154e-05

88.9

P

4.58283e-05

T

88.9

PT

INCONSISTENT

1phase

1.72706e-06

88.9

P

1.99778e-06

T

88.9

PT

INCONSISTENT

1phase

0.00117853

88.9

P

0.0011771

T

88.9

PUmolar

INCONSISTENT

1phase

1.72706e-06

88.9

P

1.99778e-06

Umolar

-19632.7

PUmolar

INCONSISTENT

1phase

3.90447e-06

88.9

P

4.71606e-06

Umolar

-19632.7

PUmolar

INCONSISTENT

1phase

8.82707e-06

88.9

P

8.92909e-06

Umolar

-19632.7

PUmolar

INCONSISTENT

2phase

9.82532e-07

88.8

P

9.82532e-07

Umolar

-19643.6

PUmolar

INCONSISTENT

1phase

4.51154e-05

88.9

P

4.58283e-05

Umolar

-19632.7

PUmolar

INCONSISTENT

1phase

1.99559e-05

88.9

P

2.0218e-05

Umolar

-19632.7

PUmolar

INCONSISTENT

1phase

0.000230586

88.9

P

0.000230916

Umolar

-19632.7

SmolarT

INCONSISTENT

1phase

7.6393e-07

491.454

Smolar

357.721

T

491.454

SmolarT

INCONSISTENT

1phase

7.6393e-07

502.636

Smolar

360.611

T

502.636

SmolarT

INCONSISTENT

1phase

7.6393e-07

513.818

Smolar

363.486

T

513.818

SmolarT

INCONSISTENT

1phase

7.6393e-07

525

Smolar

366.348

T

525

SmolarT

INCONSISTENT

1phase

7.6393e-07

424.362

Smolar

340.093

T

424.362

SmolarT

INCONSISTENT

1phase

7.6393e-07

480.272

Smolar

354.818

T

480.272

SmolarT

INCONSISTENT

1phase

7.6393e-07

469.09

Smolar

351.9

T

469.09

SmolarT

INCONSISTENT

1phase

7.6393e-07

457.908

Smolar

348.969

T

457.908

SmolarT

INCONSISTENT

1phase

7.6393e-07

446.726

Smolar

346.024

T

446.726

SmolarT

INCONSISTENT

1phase

7.6393e-07

435.544

Smolar

343.066

T

435.544

SmolarT

INCONSISTENT

1phase

1.72706e-06

469.09

Smolar

345.118

T

469.09

SmolarT

INCONSISTENT

1phase

8.82707e-06

480.272

Smolar

334.471

T

480.272

SmolarT

INCONSISTENT

1phase

1.72706e-06

480.272

Smolar

348.035

T

480.272

SmolarT

INCONSISTENT

1phase

1.72706e-06

491.454

Smolar

350.939

T

491.454

SmolarT

INCONSISTENT

1phase

1.72706e-06

502.636

Smolar

353.829

T

502.636

SmolarT

INCONSISTENT

1phase

1.72706e-06

513.818

Smolar

356.704

T

513.818

SmolarT

INCONSISTENT

1phase

1.72706e-06

525

Smolar

359.565

T

525

SmolarT

INCONSISTENT

1phase

1.72706e-06

424.362

Smolar

333.311

T

424.362

SmolarT

INCONSISTENT

1phase

8.82707e-06

469.09

Smolar

331.554

T

469.09

SmolarT

INCONSISTENT

1phase

1.72706e-06

435.544

Smolar

336.283

T

435.544

Superancillary Plots#

The following figure shows the accuracy of the superancillary functions relative to extended precision calculations carried out in C++ with the teqp library. The results of the iterative calculations with REFPROP and CoolProp are also shown.

Note

You can download the script that generated the following figure here: (link to script), right-click the link and then save as… or the equivalent in your browser. You can also download this figure as a PDF.

../../_images/1-Butene2.png