Modified Buckingham Exponential-6 Potential

Intermolecular Potential

Critical Parameters

• Critical Temperature
  
  

  a \ C	0.9	1.0	1.1
  12	1.1109 (15)	1.4039 (29)	1.7588 (47)
  14	1.0222 (10)	1.2430 (11)	1.4901 (32)
  16	0.9629 (16)	1.1467 (13)	1.3459 (20)
  18	0.9195 (10)	1.0811 (11)	1.2530 (22)



• Critical Density
  
  

  a \ C	0.9	1.0	1.1
  12	0.3167 (20)	0.3163 (16)	0.3128 (19)
  14	0.3224 (22)	0.3200 (29)	0.3184 (15)
  16	0.3286 (22)	0.3268 (20)	0.3245 (24)
  18	0.3315 (19)	0.3328 (20)	0.3306 (13)



• Critical Pressure
  
  

  a \ C	0.9	1.0	1.1
  12	0.0998 (7)	0.1295 (13)	0.1709 (19)
  14	0.0923 (6)	0.1134 (4)	0.1377 (15)
  16	0.0885 (10)	0.1052 (7)	0.1239 (10)
  18	0.0859 (7)	0.1007 (7)	0.1165 (12)

Phase Behavior

• Phase Coexistence Data Files
  
  

  a \ C	0.9	1.0	1.1
  12	data,stdev	data,stdev	data,stdev
  14	data,stdev	data,stdev	data,stdev
  16	data,stdev	data,stdev	data,stdev
  18	data,stdev	data,stdev	data,stdev

  
  

• Complete Phase Diagrams (in Adobe PDF format)
  
  
  • Dimensionless Plots
    
    

    Constant a	Constant C
    a=12, C={0.9, 1.0, 1,1}	C=0.9, a={12, 14, 16, 18}
    a=14, C={0.9, 1.0, 1,1}	C=1.0, a={12, 14, 16, 18}
    a=16, C={0.9, 1.0, 1,1}	C=1.1, a={12, 14, 16, 18}
    a=18, C={0.9, 1.0, 1,1}

  
  
  • Reduced Plots
    
    

    Constant a	Constant C
    a=12, C={0.9, 1.0, 1,1}	C=0.9, a={12, 14, 16, 18}
    a=14, C={0.9, 1.0, 1,1}	C=1.0, a={12, 14, 16, 18}
    a=16, C={0.9, 1.0, 1,1}	C=1.1, a={12, 14, 16, 18}
    a=18, C={0.9, 1.0, 1,1}



• Saturated Liquid
  
  
  • Dimensionless Plots
    
    

    Constant a	Constant C
    a=12, C={0.9, 1.0, 1,1}	C=0.9, a={12, 14, 16, 18}
    a=14, C={0.9, 1.0, 1,1}	C=1.0, a={12, 14, 16, 18}
    a=16, C={0.9, 1.0, 1,1}	C=1.1, a={12, 14, 16, 18}
    a=18, C={0.9, 1.0, 1,1}

  
  
  • Reduced Plots
    
    

    Constant a	Constant C
    a=12, C={0.9, 1.0, 1,1}	C=0.9, a={12, 14, 16, 18}
    a=14, C={0.9, 1.0, 1,1}	C=1.0, a={12, 14, 16, 18}
    a=16, C={0.9, 1.0, 1,1}	C=1.1, a={12, 14, 16, 18}
    a=18, C={0.9, 1.0, 1,1}



• Saturated Vapor
  
  
  • Dimensionless Plots
    
    

    Constant a	Constant C
    a=12, C={0.9, 1.0, 1,1}	C=0.9, a={12, 14, 16, 18}
    a=14, C={0.9, 1.0, 1,1}	C=1.0, a={12, 14, 16, 18}
    a=16, C={0.9, 1.0, 1,1}	C=1.1, a={12, 14, 16, 18}
    a=18, C={0.9, 1.0, 1,1}

  
  
  • Reduced Plots
    
    

    Constant a	Constant C
    a=12, C={0.9, 1.0, 1,1}	C=0.9, a={12, 14, 16, 18}
    a=14, C={0.9, 1.0, 1,1}	C=1.0, a={12, 14, 16, 18}
    a=16, C={0.9, 1.0, 1,1}	C=1.1, a={12, 14, 16, 18}
    a=18, C={0.9, 1.0, 1,1}

Vapor Pressures

• Dimensionless Plots
  
  

  Constant a	Constant C
  a=12, C={0.9, 1.0, 1,1}	C=0.9, a={12, 14, 16, 18}
  a=14, C={0.9, 1.0, 1,1}	C=1.0, a={12, 14, 16, 18}
  a=16, C={0.9, 1.0, 1,1}	C=1.1, a={12, 14, 16, 18}
  a=18, C={0.9, 1.0, 1,1}



• Reduced Plots
  
  

  Constant a	Constant C
  a=12, C={0.9, 1.0, 1,1}	C=0.9, a={12, 14, 16, 18}
  a=14, C={0.9, 1.0, 1,1}	C=1.0, a={12, 14, 16, 18}
  a=16, C={0.9, 1.0, 1,1}	C=1.1, a={12, 14, 16, 18}
  a=18, C={0.9, 1.0, 1,1}