oxygen             !short name
7782-44-7          !CAS number
oxygen             !full name
O2                 !chemical formula
R-732              !synonym
31.9988            !molecular weight [g/mol]
54.361             !triple point temperature [K]
90.1878            !normal boiling point [K]
154.581            !critical temperature [K]
5043.0             !critical pressure [kPa]
13.63              !critical density [mol/L]
0.0222             !acentric factor
0.0                !dipole moment [Debye]
OTH                !default reference state
298.15  100.0  8672.10  205.131  !tref, Pref, Href, Sref
6.1                !version number

! compiled by E.W. Lemmon, NIST Physical and Chemical Properties Division, Boulder, Colorado
! 01-23-97 EWL, original version
! 01-31-97  MM, change pointer for ECS reference viscosity from VS3 to VS1
!               modify ncoeff line for FEQ to accommodate critical region terms
! 02-20-97  MM, add default reference state
! 02-26-97  MM, add version number (future use)
! 03-11-97  MM, modify ECS-transport to new format
! 10-24-97  MM, read in f_int term in Eucken correlation in ECS method for t.c.
!               change reference fluid EOS for ECS-transport from BWR to FEQ
! 06-24-98 EWL, add Younglove BWR equation
! 06-26-98 EWL, add Younglove transport equations
! 11-13-98 EWL, update format to version 6.1
!  1-07-99 EWL, change upper temperature limit of EOS to 1000 K
!  1-07-99 EWL, change ECS reference fluid to nitrogen
! 10-27-99 EWL, add Span 12 term equation
! 11-15-99 EWL, change default reference state
!  3-20-00 EWL, change max density to the density at p=2*pmax along melting line


#EOS               !equation of state specification
FEQ  Helmholtz equation of state for oxygen of Schmidt and Wagner (1985).
?LITERATURE REFERENCE \
?Schmidt, R. and Wagner, W.,
? "A New Form of the Equation of State for Pure Substances and its
? Application to Oxygen,"
? Fluid Phase Equilibria, 19:175-200, 1985.
?\
?also published in:
?\
?Stewart, R.B., Jacobsen, R.T, and Wagner, W.,
? "Thermodynamic Properties of Oxygen from the Triple Point to 300 K
? with Pressures to 80 MPa,"
? J. Phys. Chem. Ref. Data, 20(5):917-1021, 1991.
?\
?The uncertainties of the equation of state are 0.1% in density, 2% in heat
? capacity, and 1% in the speed of sound, except in the critical region.
?\
!end of info section
54.361             !lower temperature limit [K]
1000.0             !upper temperature limit [K]
82000.0            !upper pressure limit [kPa]
43.348             !maximum density [mol/L]
CPP                                    !pointer to Cp0 model
31.9988                                !molecular weight [g/mol]
54.361                                 !triple point temperature [K]
0.14628                                !pressure at triple point [kPa]
40.816                                 !density at triple point [mol/L]
90.1878                                !normal boiling point temperature [K]
0.0222                                 !acentric factor
154.581      5043.0       13.63        !Tc [K], pc [kPa], rhoc [mol/L]
154.581                   13.63        !reducing parameters [K, mol/L]
8.31434                                !gas constant [J/mol-K]
      32  4      0  0       0  0       !# terms, # coeff/term for:  "normal" terms, critical, spare
 0.39837687490d+00  0.000   1.00    0  !a(i),t(i),d(i),l(i)
-0.18461574540d+01  1.500   1.00    0
 0.41834731970d+00  2.500   1.00    0
 0.23706207110d-01 -0.500   2.00    0
 0.97717305730d-01  1.500   2.00    0
 0.30178912940d-01  2.000   2.00    0
 0.22733532120d-01  0.000   3.00    0
 0.13572540860d-01  1.000   3.00    0
-0.40526989430d-01  2.500   3.00    0
 0.54546285150d-03  0.000   6.00    0
 0.51131822770d-03  2.000   7.00    0
 0.29534668830d-06  5.000   7.00    0
-0.86876450720d-04  2.000   8.00    0
-0.21270825890d+00  5.000   1.00    2
 0.87359419580d-01  6.000   1.00    2
 0.12755091900d+00  3.500   2.00    2
-0.90677010640d-01  5.500   2.00    2
-0.35400842060d-01  3.000   3.00    2
-0.36232780590d-01  7.000   3.00    2
 0.13276992900d-01  6.000   5.00    2
-0.32541118650d-03  8.500   6.00    2
-0.83135829320d-02  4.000   7.00    2
 0.21245705590d-02  6.500   8.00    2
-0.83252062320d-03  5.500  10.00    2
-0.26261732760d-04 22.000   2.00    4
 0.25995814820d-02 11.000   3.00    4
 0.99846496630d-02 18.000   3.00    4
 0.21999231530d-02 11.000   4.00    4
-0.25913504860d-01 23.000   4.00    4
-0.12596308480d+00 17.000   5.00    4
 0.14783556370d+00 18.000   5.00    4
-0.10112510780d-01 23.000   5.00    4


#AUX               !auxiliary model specification
CPP  ideal gas heat capacity function
?LITERATURE REFERENCE \
?Schmidt, R. and Wagner, W.,
? "A New Form of the Equation of State for Pure Substances and its
? Application to Oxygen,"
? Fluid Phase Equilibria, 19:175-200, 1985.
?\
!end of info section
54.361             !lower temperature limit [K]
300.0              !upper temperature limit [K]
0.0                !upper pressure limit [kPa]
0.0                !maximum density [mol/L]
1.0          8.31434                   !reducing parameters for T, Cp0
  3  1    0  0    0  0  0              !Nterms:  polynomial, exponential, cosh, sinh
0.10677800d+01     -1.50
0.35004200d+01      0.00
0.16696100d-07      2.00
0.10125800d+01   2242.45


@EOS               !equation of state specification
FES  short Helmholtz equation of state for oxygen of Span (2000).
?LITERATURE REFERENCE \
?Span, R.,
? "Multiparameter Equations of State - An Accurate Source of Thermodynamic
? Property Data," Springer, Berlin, Heidelberg, New York, 2000.
?\
?The uncertainties of the equation of state are approximately 0.2% (to
?0.5% at high pressures) in density, 1% (in the vapor phase) to 2% in
?heat capacity, 1% (in the vapor phase) to 2% in the speed of sound, and
?0.2% in vapor pressure, except in the critical region.
?\
!end of info section
54.361             !lower temperature limit [K]
600.0              !upper temperature limit [K]
100000.0           !upper pressure limit [kPa]
43.348             !maximum density [mol/L]
CPP                                    !pointer to Cp0 model
31.999                                 !molecular weight [g/mol]
54.361                                 !triple point temperature [K]
0.14603                                !pressure at triple point [kPa]
40.885                                 !density at triple point [mol/L]
90.182                                 !normal boiling point temperature [K]
0.0222                                 !acentric factor
154.595      5043.0       13.63        !Tc [K], pc [kPa], rhoc [mol/L]
154.595                   13.63        !reducing parameters [K, mol/L]
8.31451                                !gas constant [J/mol-K]
      12  4      0  0       0  0       !# terms, # coeff/term for:  "normal" terms, critical, spare
 0.888782860000E+00  0.25    1.0     0 !a(i),t(i),d(i),l(i)
-0.248794330000E+01  1.125   1.0     0
 0.597501910000E+00  1.5     1.0     0
 0.965018170000E-02  1.375   2.0     0
 0.719704290000E-01  0.25    3.0     0
 0.223374430000E-03  0.875   7.0     0
 0.185586860000E+00  0.625   2.0     1
-0.381293680000E-01  1.75    5.0     1
-0.153522450000E+00  3.625   1.0     2
-0.267268150000E-01  3.625   4.0     2
-0.256752990000E-01 14.5     3.0     3
 0.957143020000E-02 12.0     4.0     3


@EOS               !equation of state specification
BWR  MBWR equation of state for oxygen of Younglove (1982).
?LITERATURE REFERENCE \
?Younglove, B.A.,
? "Thermophysical Properties of Fluids.  I. Argon, Ethylene,
? Parahydrogen, Nitrogen, Nitrogen Trifluoride, and Oxygen,"
? J. Phys. Chem. Ref. Data, Vol. 11, Suppl. 1, pp. 1-11, 1982.
?\
!end of info section
54.359             !lower temperature limit [K]
400.0              !upper temperature limit [K]
121000.0           !upper pressure limit [kPa]
40.820             !maximum density [mol/L]
CP1                                    !pointer to Cp0 model
31.9988                                !molecular weight [g/mol]
54.359                                 !triple point temperature [K]
0.148                                  !pressure at triple point [kPa]
40.820                                 !density at triple point [mol/L]
90.1878                                !normal boiling point temperature [K]
0.0222                                 !acentric factor
154.581      5043.        13.63        !Tc [K], pc [kPa], rhoc [mol/L]
154.581                   13.63        !reducing parameters [K, mol/L]
13.3630620956                          !gamma
0.0831411                              !gas constant [L-bar/mol-K]
      32       1                       !Nterm, Ncoeff per term
 -0.4365859650d-03      0.2005820677d-00      -0.4197909916d+01
  0.1878215317d+03     -0.1287473398d+05       0.1556745888d-04
  0.1343639359d-02     -0.2228415518d+01       0.4767792275d+04
  0.4790846641d-06      0.2462611107d-02      -0.1921891680d-00
 -0.6978320847d-05     -0.6214145909d-03      -0.1860852567d-00
  0.2609791417d-04     -0.2447611408d-06       0.1457743352d-03
 -0.1726492873d-05     -0.2384892520d+04      -0.2301807796d+06
 -0.2790303526d+02      0.9400577575d+05      -0.4169449637d-01
  0.2008497853d+01     -0.1256076520d-03      -0.6406362964d-00
 -0.2475580168d-07      0.1346309703d-04      -0.1161502470d-09
 -0.1034699798d-07      0.2365936964d-06


#AUX               !auxiliary model specification
CP1  ideal gas heat capacity function of Younglove
?LITERATURE REFERENCE \
?Younglove, B.A.,
? "Thermophysical Properties of Fluids.  I. Argon, Ethylene,
? Parahydrogen, Nitrogen, Nitrogen Trifluoride, and Oxygen,"
? J. Phys. Chem. Ref. Data, Vol. 11, Suppl. 1, pp. 1-11, 1982.
?\
!end of info section
54.359             !lower temperature limit [K]
400.0              !upper temperature limit [K]
0.0                !upper pressure limit [kPa]
0.0                !maximum density [mol/L]
1.0          8.31434                   !reducing parameters for T, Cp0
  7  1    0  0    0  0  0              !Nterms:  polynomial, exponential, cosh, sinh
 -0.4981998537119d+04    -3.00d0
  0.2302477799952d+03    -2.00d0
 -0.3455653235107d+01    -1.00d0
  0.3521876773671d+01     0.00d0
 -0.4354202160244d-04     1.00d0
  0.1346353450132d-07     2.00d0
  0.1620598259591d-10     3.00d0
  0.1031468515726d+01  2239.18105


#TCX               !thermal conductivity model specification
TC1  pure fluid thermal conductivity model of Lemmon and Jacobsen (2001).
?LITERATURE REFERENCE \
?Lemmon, E.W. and Jacobsen, R.T,
? preliminary equation, 2001.
?\
?The uncertainty in thermal conductivity is 2%.
?\
!end of info section
54.361             !lower temperature limit [K]
2000.0             !upper temperature limit [K]
82000.0            !upper pressure limit [kPa]
43.348             !maximum density [mol/L]
3   0              !# terms for dilute gas function:  numerator, denominator
154.581   1.0d-3   !reducing parameters for T, tcx
   1.0446   0.2972     !coeff, power in T
  -0.0303   1.3099
   0.0000 -96.0000
6   0              !# terms for background gas function:  numerator, denominator
154.581   13.63       1.0d-3    !reducing parameters for T, rho, tcx
 0.814209592824E+01  -0.1741   1.0000   0.0000     !coeff, powers of t, rho, exp(rho)
 0.434593624281E+02  -0.2976   2.0000   0.0000
-0.704352269170E+00  -0.4782   7.0000   1.0000
-0.968827184599E+02  -0.5835   3.0000   1.0000
 0.108596324161E+02   0.0610   3.0000   2.0000
 0.276237290848E+02  -6.9683   5.0000   3.0000
TK3                !pointer to critical enhancement auxiliary function


#AUX               !thermal conductivity critical enhancement model
TK3  thermal conductivity critical enhancement of Lemmon and Jacobsen (2001).
?LITERATURE REFERENCE \
?Lemmon, E.W. and Jacobsen, R.T,
? preliminary equation, 2001.
?\
!end of info section
54.361             !lower temperature limit [K]
2000.0             !upper temperature limit [K]
82000.0            !upper pressure limit [kPa]
43.348             !maximum density [mol/L]
9  0  0  0         !# terms:  terms, spare, spare, spare
1.0    1.0  1.0    !reducing par for T, rho, tcx (mW/m-K)
0.630d0            !gnu (universal exponent)
1.2415d0           !gamma (universal exponent)
1.01d0             !R0 (universal amplitude)
 0.065d0           !z (universal exponent--not used for t.c., only viscosity)
 1.00d0            !c (constant in viscosity eqn = 1/[2 - (alpha + gamma)/(2*nu)], but often set to 1)
 0.26629434E-09    !xi0 (amplitude) [m]
 0.55000000E-01    !gam0 (amplitude) [-]
 0.54637186E-09    !qd_inverse (modified effective cutoff parameter) [m]
309.162            !tref (reference temperature) [K]


#ETA               !viscosity model specification
VS1  pure fluid viscosity model of Lemmon and Jacobsen (2001).
?LITERATURE REFERENCE \
?Lemmon, E.W. and Jacobsen, R.T,
? preliminary equation, 2001.
?\
?The uncertainty in viscosity is 2%, except in the dilute gas, where the
?uncertainty is 0.5%.
?\
!end of info section
54.361             !lower temperature limit [K]
2000.0             !upper temperature limit [K]
82000.0            !upper pressure limit [kPa]
43.348             !maximum density [mol/L]
1                  !number of terms associated with dilute-gas function
CI1                !pointer to reduced effective collision cross-section model
0.3553             !Lennard-Jones coefficient sigma [nm]
88.23              !Lennard-Jones coefficient epsilon/kappa [K]
1.0    1.0         !reducing parameters for T, eta
0.1510114  0.50d0  !Chapman-Enskog term
0                  !number of terms for initial density dependence
0 6 0 0 0 0        !# resid terms:  close-packed density;  simple poly; numerator of rational poly; denominator of rat. poly; numerator of exponential; denominator of exponential
154.581   13.63       1.0           !reducing parameters for T, rho, eta
 0.103809798626E+02  -0.4781   1.0   0.0   0    !simple polynomial terms
 0.403390706685E+01  -2.5395   2.0   0.0   0
 0.769190803355E+01  -0.2470   3.0   0.0   0
 0.708616708447E+00  -3.6591   3.0   0.0   0
-0.294875160018E+01  -1.7659   4.0   0.0   0
 0.195703358963E-01  -0.5906   9.0   0.0   0
NUL                !pointer to critical enhancement auxiliary function (none used)


#AUX               !collision integral specification
CI1  collision integral model of Lemmon and Jacobsen (2001).
?LITERATURE REFERENCE \
?Lemmon, E.W. and Jacobsen, R.T,
? preliminary equation, 2001.
?\
!end of info section
1.0                !lower temperature limit [K]
10000.0            !upper temperature limit [K]