RE347mcc (HFE-7000) !Short name 375-03-1 !CAS number 1,1,1,2,2,3,3-Heptafluoro-3-methoxypropane !Full name CF3CF2CF2OCH3 !Chemical formula {C4H3F7O} HFE-7000 !Synonym [also known as R347sE(gamma)(delta)] 200.0548424 !Molar mass [g/mol] 150.65 !Triple point temperature [K] (from 3M spec sheet) 307.328 !Normal boiling point [K] 437.7 !Critical temperature [K] 2478.2 !Critical pressure [kPa] 2.64 !Critical density [mol/L] 0.403 !Acentric factor 3.13 !Dipole moment [Debye]; calculated by A. Laesecke, July, 2012. IIR !Default reference state 10.0 !Version number ???? !UN Number :UN: halocb !Family :Family: ???? !Heating value (upper) [kJ/mol] :Heat: 1S/C4H3F7O/c1-12-4(10,11)2(5,6)3(7,8)9/h1H3 :InChi: !Standard InChI String NOPJRYAFUXTDLX-UHFFFAOYSA-N !Standard InChI Key :InChiKey: ???? !Alternative fluid for mixing rules :AltID: 12934ef0 !Hash number from InChI Key :Hash: !The fluid files contain general information about the fluid in the first 15 to 20 lines, followed by sections for the ! equations of state, transport equations, and auxiliary equations. Equations of state are listed first. The NIST recommended ! equations begin with a hash mark (#). The secondary equations begin with the @ symbol. These symbols can be swapped to ! select a secondary equation as primary and the primary as secondary. The equation of state section also contains auxiliary ! equations for the ideal gas heat capacity or ideal gas Helmholtz energy. Below the equations of state (both primary and ! secondary) are the transport equations, first viscosity and then thermal conductivity. These are then followed by the ! secondary equations if available. The transport section also contains auxiliary equations required to calculate either the ! dilute gas state or the critical enhancement. At the end of the file are additional but not necessary auxiliary equations, ! including simple equations for the vapor pressure, saturated liquid and vapor densities, melting line (for some fluids), and ! sublimation line (for even fewer fluids). This section also contains the equations for dielectric constant and surface ! tension if available. The sections are divided by different symbols (these being _-+=^*~) to aid the eye in locating a ! particular section. Secondary equations are indented 10 spaces to avoid confusion with the NIST recommended equations. The ! end of the fluid file is marked with @END. Anything below that is ignored. ! compiled by E.W. Lemmon, NIST Physical and Chemical Properties Division, Boulder, Colorado ! 11-20-10 YZ, Original version. ! 12-02-10 MLH, Add predictive transport. ! 07-07-11 EWL, Update equation of state. ! 09-13-11 MLH, Update viscosity based on Fortin 2011 data. ! 08-23-12 EWL, Update equation of state with new speed of sound data and vapor pressures. ! 08-23-12 MLH, Update viscosity with revised EOS. ! 04-17-14 EWL, Add surface tension coefficients of Mulero et al. (2014). ! 04-29-14 EWL, Change full name. ! 04-02-15 EWL, Update equation of state. ! 04-28-16 EWL, Update triple point and lower temperature limits. ! 12-04-15 MLH, Update viscosity, thermal conductivity. ! 05-23-16 MLH, Update crit enhancement coefficients. ! 02-16-17 KG, Add ancillary equations. ! 03-13-17 MLH, Revise transport with new preliminary data. ! 05-20-18 MLH, Revise thermal conductivity with full preliminary data set ________________________________________________________________________________ #EOS !---Equation of state--- FEQ !Helmholtz equation of state for R-E347mcc of Zhou and Lemmon (2016). :TRUECRITICALPOINT: 437.7 2.64 !True EOS critical point [K, mol/L] (where dP/dD=0 and d^2P/dD^2=0 at constant T) :DOI: ? ?``````````````````````````````````````````````````````````````````````````````` ?Zhou, Y. and Lemmon, E.W., ?"Equations of State for RE245cb2, RE347mcc, RE245fa2, and R1216," ? to be submitted to J. Phys. Chem. Ref. Data, 2018. ? ?The uncertainty in liquid density is 0.1% to 0.2% from 260 K to 370 K at ? pressures up to 3 MPa. No data are available below 260 K or at higher pressures. ? Above 370 K, the uncertainty remains small for liquid like states, and increases ? to 0.6% at temperatures above the critical point. Uncertainties are higher in ? the near critical region. In the vapor region, most data are represented to ? within 0.2% in density, except the experimental data for one isochore that ? appear to be wrong. The uncertainty in speed of sound is 0.03% in the vapor ? phase. In the liquid phase at 1 atm the uncertainty is 0.1% between 278 K and ? 298 K. States close to but outside this region will have similar uncertainties. ? The uncertainty in vapor pressure is 0.2% above 300 K. The uncertainty in heat ? capacities is estimated to be 2% or less. ? !``````````````````````````````````````````````````````````````````````````````` 150.65 !Lower temperature limit [K] 500.0 !Upper temperature limit [K] 20000.0 !Upper pressure limit [kPa] 8.886 !Maximum density [mol/L] CPP !Pointer to Cp0 model 200.0548424 !Molar mass [g/mol] 150.65 !Triple point temperature [K] 0.00005707 !Pressure at triple point [kPa] 8.886 !Density at triple point [mol/L] 307.328 !Normal boiling point temperature [K] 0.403 !Acentric factor 437.7 2478.2 2.64 !Tc [K], pc [kPa], rhoc [mol/L] 437.7 2.64 !Reducing parameters [K, mol/L] 8.3144598 !Gas constant [J/mol-K] 10 4 6 12 0 0 0 0 0 0 0 0 !# terms and # coefs/term for normal terms, Gaussian terms, and Gao terms 0.07342 1.0 4. 0. !a(i),t(i),d(i),l(i) 1.9394 0.185 1. 0. -2.8353 0.842 1. 0. -0.3876 1. 2. 0. 0.1428 0.5 3. 0. -1.979 2.74 1. 2. -2.0455 2.74 3. 2. 0.3085 0.87 2. 1. -2.166 2.77 2. 2. -0.04225 1.24 7. 1. 3.0317 2.3 1. 2. 2. -1.205 -0.53 0.9 0.655 0. 0. 0. -1.0685 1.74 1. 2. 2. -1.19 -2.57 0.69 0.9 0. 0. 0. -0.3598 2.22 3. 2. 2. -0.94 -1.6 0.87 0.655 0. 0. 0. -0.4525 2.1 3. 2. 2. -1.64 -2.56 1.22 0.34 0. 0. 0. 0.9488 1.85 2. 2. 2. -0.92 -1.21 0.71 0.745 0. 0. 0. 0.3184 0.5 3. 2. 2. -1.71 -8.9 1.11 0.28 0. 0. 0. eta beta gamma epsilon EXP[eta*(delta-epsilon)^2+beta*(tau-gamma)^2] #AUX !---Auxiliary function for Cp0 CPP !Ideal gas heat capacity function for R-E347mcc of Zhou and Lemmon (2016). ? ?``````````````````````````````````````````````````````````````````````````````` ?Zhou, Y. and Lemmon, E.W., 2018. ? !``````````````````````````````````````````````````````````````````````````````` 0. ! 10000. ! 0. ! 0. ! 1.0 8.3144598 !Reducing parameters for T, Cp0 1 3 0 0 0 0 0 !Nterms: polynomial, exponential, cosh, sinh 17.916 0.0 0.6505 21.0 0.3794 7754.0 21.292 1562.0 #AUX !---Auxiliary function for PX0 PX0 !Helmholtz energy ideal-gas function for R-E347mcc of Zhou and Lemmon (2016). ? ?``````````````````````````````````````````````````````````````````````````````` ?Zhou, Y. and Lemmon, E.W., 2018. ? !``````````````````````````````````````````````````````````````````````````````` 1 2 3 0 0 0 0 0 !Nterms: ai*log(tau**ti); ai*tau**ti; ai*log(1-exp(bi*tau)) 16.916 1.0 !ai, ti for [ai*log(tau**ti)] terms -19.888795933910032 0.0 !aj, ti for [ai*tau**ti] terms 7.3473678427598825 1.0 !aj, ti for [ai*tau**ti] terms 0.6505 21.0 !aj, ti for [ai*log(1-exp(-ti/T)] terms 0.3794 7754.0 21.292 1562.0 -------------------------------------------------------------------------------- @EOS !---Equation of state--- FE1 !Helmholtz equation of state for R-E347mcc of Zhou and Lemmon (2012). ? ?``````````````````````````````````````````````````````````````````````````````` ?Zhou, Y. and Lemmon, E.W. ? preliminary equation, 2012. ? ?The uncertainty in liquid density is 0.1% to 0.2% from 260 K to 370 K at ? pressures up to 3 MPa. No data are available below 260 K or at higher pressures. ? Above 370 K, the uncertainty remains small for liquid like states, and increases ? to 0.6% at temperatures above the critical point. Uncertainties are higher in ? the near critical region. In the vapor region, most data are represented to ? within 0.2% in density, except the experimental data for one isochore that ? appear to be wrong. The uncertainty in speed of sound is 0.03% in the vapor ? phase. In the liquid phase at 1 atm the uncertainty is 0.1% between 278 K and ? 298 K. States close to but outside this region will have similar uncertainties. ? The uncertainty in vapor pressure is 0.2% above 300 K. The uncertainty in heat ? capacities is estimated to be 2% or less. ? !``````````````````````````````````````````````````````````````````````````````` 150.65 !Lower temperature limit [K] 500.0 !Upper temperature limit [K] 20000.0 !Upper pressure limit [kPa] 8.886 !Maximum density [mol/L] CP1 !Pointer to Cp0 model 200.0548424 !Molar mass [g/mol] 150.65 !Triple point temperature [K] 6.825 !Pressure at triple point [kPa] 7.66 !Density at triple point [mol/L] 307.349 !Normal boiling point temperature [K] 0.403 !Acentric factor 437.7 2476.2 2.62 !Tc [K], pc [kPa], rhoc [mol/L] 437.7 2.62 !Reducing parameters [K, mol/L] 8.314472 !Gas constant [J/mol-K] 10 4 7 12 0 0 0 0 0 0 0 0 !# terms and # coefs/term for normal terms, Gaussian terms, and Gao terms 0.0330627 1.0 4. 0. !a(i),t(i),d(i),l(i) 2.606165 0.34 1. 0. -4.902937 0.77 1. 0. 2.228012 1.02 1. 0. 1.494115 0.79 2. 0. -2.420459 1.017 2. 0. 0.160067 0.634 3. 0. 1.383893 1.35 2. 1. -2.092005 2.25 1. 2. -0.5904708 2.5 2. 2. -0.701794 2.0 1. 2. 2. -0.593 -0.0872 1.06 1.12 0. 0. 0. 2.765425 1.66 1. 2. 2. -1.36 -1.176 1.22 0.79 0. 0. 0. 0.6860982 1.33 2. 2. 2. -1.73 -1.530 0.92 1.055 0. 0. 0. -2.208170 2.0 2. 2. 2. -1.483 -0.78 1.08 0.5 0. 0. 0. 0.1739594 1.87 3. 2. 2. -0.617 -0.088 1.21 0.84 0. 0. 0. -0.9028007 1.75 3. 2. 2. -1.596 -1.04 0.85 0.85 0. 0. 0. -0.0213123 1.05 1. 2. 2. -9.64 -263.0 1.12 0.91 0. 0. 0. @AUX !---Auxiliary function for Cp0 CP1 !Ideal gas heat capacity function for R-E347mcc (HFE-7000). ? ?``````````````````````````````````````````````````````````````````````````````` ?Zhou, Y. and Lemmon, E.W. ? preliminary equation, 2012. ? !``````````````````````````````````````````````````````````````````````````````` 0. ! 10000. ! 0. ! 0. ! 1.0 8.314472 !Reducing parameters for T, Cp0 1 2 0 0 0 0 0 !Nterms: polynomial, exponential, cosh, sinh 13.09 0.0 13.78 2045.0 14.21 850.0 ================================================================================ #TCX !---Thermal conductivity--- TC1 !Pure fluid preliminary thermal conductivity model for R-E347mcc (HFE-7000) of Huber (2018). :DOI: 10.6028/NIST.IR.8209 ? ?``````````````````````````````````````````````````````````````````````````````` ?Huber, M.L., "Models for the Viscosity, Thermal Conductivity, and Surface Tension ? of Selected Pure Fluids as Implemented in REFPROP v10.0," NISTIR 8209, 2018. ? doi: 10.6028/NIST.IR.8209 ? ?Fit to preliminary NIST data of Perkins, 5/20/2018 ? Estimated uncertainty 2% in the liquid to 70 MPa, 4% in the vapor for T<340 K. ? !``````````````````````````````````````````````````````````````````````````````` 150.65 !Lower temperature limit [K] 600.0 !Upper temperature limit [K] 70000.0 !Upper pressure limit [kPa] 12.0 !Maximum density [mol/L] 5 0 !# terms for dilute gas function: numerator, denominator 437.7 1.0 !Reducing parameters for T, tcx 0.0 0.0 -0.0239098 1.0 0.0960335 2.0 -0.060505 3.0 0.012299 4.0 10 0 !# terms for background gas function: numerator, denominator 437.7 2.64 1.0 !Reducing parameters for T, rho, tcx TEST4 MODEL -0.00842403 0.0 1.0 0. 0.0545889 0.0 2.0 0. -0.0530301 0.0 3.0 0. 0.0201447 0.0 4.0 0. -0.0025046 0.0 5.0 0. 0.00931228 1.0 1.0 0. -0.0367016 1.0 2.0 0. 0.0392477 1.0 3.0 0. -0.0155674 1.0 4.0 0. 0.00220816 1.0 5.0 0. TK3 !Pointer to critical enhancement auxiliary function #AUX !---Auxiliary function for the thermal conductivity critical enhancement TK3 !Simplified thermal conductivity critical enhancement for R-E347mcc (HFE-7000) of Perkins et al. (2013). ? ?``````````````````````````````````````````````````````````````````````````````` ?Perkins, R.A., Sengers, J.V., Abdulagatov, I.M., and Huber, M.L., ? "Simplified Model for the Critical Thermal-Conductivity Enhancement in Molecular Fluids," ? Int. J. Thermophys., 34(2):191-212, 2013. doi: 10.1007/s10765-013-1409-z ? !``````````````````````````````````````````````````````````````````````````````` 0. ! 10000. ! 0. ! 0. ! 9 0 0 0 !# terms: CO2-terms, spare, spare, spare 1.0 1.0 1.0 !Reducing parameters for T, rho, tcx [mW/(m-K)] 0.63 !Nu (universal exponent) 1.239 !Gamma (universal exponent) 1.02 !R0 (universal amplitude) 0.063 !Z (universal exponent--not used for t.c., only viscosity) 1.0 !C (constant in viscosity eqn = 1/[2 - (alpha + gamma)/(2*nu)], but often set to 1) 0.231e-9 !Xi0 (amplitude) [m] 0.058 !Gam0 (amplitude) [-] 5.553e-10 !Qd_inverse (modified effective cutoff parameter) [m] 656.55 !Tref (reference temperature)=1.5*Tc [K] ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @TRN !---ECS Transport--- ECS !Extended Corresponding States model (Propane reference); fit to very limited data for R-E347mcc (HFE-7000). :DOI: 10.6028/NIST.IR.8209 ? ?``````````````````````````````````````````````````````````````````````````````` ?Huber, M.L., (2018) "Models for the Viscosity, Thermal Conductivity, and ? Surface Tension of Selected Pure Fluids as Implemented in REFPROP v10.0", ? NISTIR 8209; doi: 10.6028/NIST.IR.8209 ? ?VISCOSITY ? Hu, X., Meng, X., Wei, K., Li, W. and Wu, J., Compressed Liquid Viscosity Measurements of HFE-7000,HFE-7100, HFE-7200, and HFE-7500 at Temperatures from (253 to 373) K and Pressures up to 30 MPa, J. Chem. Eng. Data,(2015)60, 3562-3570 doi: 10.1021/acs.jced.5b00499 ? ?Estimated uncertainty in liquid phase at atmospheric pressure up to 20 MPa is 2%. ? No data for gas phase; estimated uncertainty 10-20 % ? ?THERMAL CONDUCTIVITY ? Sekiya, A., Misaki, S. The potential of hydrofluoroethers to replace CFCs, HCFCs, and PFCs. J. Fluorine Chem., 2000, 101, 215-221 doi: 10.1016/S0022-1139(99)00162-1 ? Takada, N., Matsuo, S., Tanaka, Y., Sekiya, A. Gaseous thermal conductivities of new hydrofluoroethers (HFEs) J. Fluorine Chem., 1998, 91, 81-85 doi: 10.1016/S0022-1139(98)00202-4 ? ?Very limited data-only two data points found. ? Estimated uncertainty approximately 10-20%. ? ?The Lennard-Jones parameters were estimated with the method of Chung. ? !``````````````````````````````````````````````````````````````````````````````` 150.65 !Lower temperature limit [K] 600.0 !Upper temperature limit [K] 70000.0 !Upper pressure limit [kPa] 12.0 !Maximum density [mol/L] FEQ PROPANE.FLD VS1 !Model for reference fluid viscosity TC1 !Model for reference fluid thermal conductivity NUL !Large molecule identifier 1 !Lennard-Jones flag (0 or 1) (0 => use estimates) 0.5853 !Lennard-Jones coefficient sigma [nm] from method Chung 347.6 !Lennard-Jones coefficient epsilon/kappa [K] from Chung method 1 0 0 !Number of terms in f_int term in Eucken correlation, spare1, spare2 0.00111 0. 0. 0. !Coefficient, power of T, spare1, spare2 4 0 0 !Number of terms in psi (visc shape factor): poly,spare1,spare2 2.57345 0. 0. 0. !Coefficient, power of Tr, power of Dr, spare -1.73973 0. 1. 0. !Coefficient, power of Tr, power of Dr, spare 0.659016 0. 2. 0. !Coefficient, power of Tr, power of Dr, spare -0.0824925 0. 3. 0. !Coefficient, power of Tr, power of Dr, spare 1 0 0 !Number of terms in chi (t.c. shape factor): poly,spare1,spare2 1.14 0. 0. 0. !Coefficient, power of Tr, power of Dr, spare TK3 !Pointer to critical enhancement auxiliary function ******************************************************************************** @ETA !---Viscosity--- VS5 !Pure fluid viscosity model for R-E347mcc (HFE-7000) of Chung et al. (1988). ? ?``````````````````````````````````````````````````````````````````````````````` ?Chung, T-H., Ajlan, M., Lee, L.L. and Starling, K.E. ? "Generalized Multiparameter Correlation for Nonpolar and Polar Fluid Transport Properties" ? Ind. Eng. Chem. Res. 1998, 27, 671-679. ? !``````````````````````````````````````````````````````````````````````````````` 150.65 !Lower temperature limit [K] 500.0 !Upper temperature limit [K] 20000.0 !Upper pressure limit [kPa] 8.886 !Maximum density [mol/L] 1 !Number of terms associated with dilute-gas function NUL !Pointer to reduced effective collision cross-section model; not used 0.5871 !Lennard-Jones coefficient sigma [nm] =0.809vc*(1/3)A 347.57 !Lennard-Jones coefficient epsilon/kappa [K] =Tc/1.2593 1.0 1.0 !Reducing parameters for T, eta 0.30207 0.5 !=0.021357*SQRT(MW) [Chapman-Enskog term] 0 !Number of terms for initial density dependence 0.411 0.0 0.0 0. 0 !w, mur, kappa for Chung 0 !Additional parameters for Chung NUL !Pointer to the viscosity critical enhancement auxiliary function (none used) @TCX !---Thermal conductivity--- TC5 !Pure fluid thermal conductivity model for R-E347mcc (HFE-7000) of Chung et al. (1988). ? ?``````````````````````````````````````````````````````````````````````````````` ?Chung, T-H., Ajlan, M., Lee, L.L. and Starling, K.E. ? "Generalized Multiparameter Correlation for Nonpolar and Polar Fluid Transport Properties" ? Ind. Eng. Chem. Res. 1998, 27, 671-679. ? !``````````````````````````````````````````````````````````````````````````````` 150.65 !Lower temperature limit [K] 500.0 !Upper temperature limit [K] 20000.0 !Upper pressure limit [kPa] 8.886 !Maximum density [mol/L] 0.5871 !Lennard-Jones coefficient sigma [nm] =0.809vc*(1/3)A 347.57 !Lennard-Jones coefficient epsilon/kappa [K] =Tc/1.2593 0.411 0. 0. !w, mur, kappa for Chung 0 !Additional parameters for Chung TK3 !Pointer to critical enhancement auxiliary function ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #STN !---Surface tension--- ST1 !Surface tension model for R-E347mcc (HFE-7000) of Mulero et al. (2014). :DOI: 10.1063/1.4878755 ? ?``````````````````````````````````````````````````````````````````````````````` ?Mulero, A. and Cachadiņa, I., ? "Recommended Correlations for the Surface Tension of Several Fluids ? Included in the REFPROP Program," ? J. Phys. Chem. Ref. Data, 43, 023104, 2014. ? doi: 10.1063/1.4878755 ? !``````````````````````````````````````````````````````````````````````````````` 0. ! 10000. ! 0. ! 0. ! 1 !Number of terms in surface tension model 437.7 !Critical temperature used in fit (dummy) 0.05031 1.232 !Sigma0 and n #PS !---Vapor pressure--- PS5 !Vapor pressure equation for R-E347mcc (HFE-7000) of Gao (2017). ? ?``````````````````````````````````````````````````````````````````````````````` ?Gao, K., 2017. ? ?Functional Form: P=Pc*EXP[SUM(Ni*Theta^ti)*Tc/T] where Theta=1-T/Tc, Tc and Pc ? are the reducing parameters below, which are followed by rows containing Ni and ti. ? !``````````````````````````````````````````````````````````````````````````````` 0. ! 10000. ! 0. ! 0. ! 437.7 2478.2 !Reducing parameters 5 0 0 0 0 0 !Number of terms in equation -7.9110 1.0 1.4904 1.5 -3.0464 2.7 -4.9639 4.8 -7.7423 13.5 #DL !---Saturated liquid density--- DL1 !Saturated liquid density equation for R-E347mcc (HFE-7000) of Gao (2017). ? ?``````````````````````````````````````````````````````````````````````````````` ?Gao, K., 2017. ? ?Functional Form: D=Dc*[1+SUM(Ni*Theta^ti)] where Theta=1-T/Tc, Tc and Dc are ? the reducing parameters below, which are followed by rows containing Ni and ti. ? !``````````````````````````````````````````````````````````````````````````````` 0. ! 10000. ! 0. ! 0. ! 437.7 2.64 !Reducing parameters 5 0 0 0 0 0 !Number of terms in equation 3.1002 0.395 -3.1869 0.75 8.0538 1.15 -7.5947 1.5 2.8275 2.15 #DV !---Saturated vapor density--- DV3 !Saturated vapor density equation for R-E347mcc (HFE-7000) of Gao (2017). ? ?``````````````````````````````````````````````````````````````````````````````` ?Gao, K., 2017. ? ?Functional Form: D=Dc*EXP[SUM(Ni*Theta^ti)] where Theta=1-T/Tc, Tc and Dc are ? the reducing parameters below, which are followed by rows containing Ni and ti. ? !``````````````````````````````````````````````````````````````````````````````` 0. ! 10000. ! 0. ! 0. ! 437.7 2.64 !Reducing parameters 6 0 0 0 0 0 !Number of terms in equation -3.2144 0.4 -7.0853 1.21 -23.820 3.19 -69.536 6.65 -182.42 14.0 -494.30 27.85 @END c 1 2 3 4 5 6 7 8 c2345678901234567890123456789012345678901234567890123456789012345678901234567890