Figure 1 Experimental Φ 's and Φ's calculated from equation 9 are plotted versus shape factor Ψ.

Figure 2 Experimental ω's and ω's calculated from equation 11 are plotted versus shape factor Ψ.

Table 1: Compound by Compound Listing of Vapor Pressure Model Parameters
Regressed Parameters of Wagner's Equation
                   
Compound No. Pts. a b c  d F1 F2 Y F3
ethane 23 -5.596 -1.095 2.7865 -9.316 -0.487 -0.439 0.8703 -0.46
propane 19 -6.546 0.9223 -1.704 -1.815 -0.231 -0.227 0.9283 -0.279
n-butane 31 -6.734 0.7589 -1.474 -3.447 -0.104 -0.047 0.9815 -0.077
isobutane 31 -6.532 0.3685 -0.49 -5.238 -0.161 -0.11 0.951 -0.197
n-pentane 32 -7.302 1.4535 -2.242 -4.037 0.1188 0.1443 1.0303 0.1327
isopentane 30 -6.911 0.9857 -1.868 -4.626 0.0151 0.0255 1.0034 0.0145
n-hexane 34 -7.283 0.8784 -1.915 -6.367 0.335 0.3361 1.0751 0.3421
2-2-di-methylbutane 11 -7.109 1.3237 -2.557 -2.823 0.0797 0.0763 1.0041 0.0175
2-3-di-methylbutane 13 -7.241 1.4815 -2.98 -1.687 0.1367 0.1351 1.0269 0.1176
2-methylpentane 14 -7.454 1.6749 -3.67 0.0027 0.2581 0.2579 1.051 0.2279
3-methylpentane 14 -7.46 1.7242 -3.552 -0.441 0.2322 0.2312 1.051 0.2279
n-heptane 36 -7.648 1.1569 -2.598 -6.708 0.5506 0.5368 1.1167 0.5468
2-2-3-trimethylbutane  19 -7.132 1.2014 -2.584 -2.733 0.1432 0.1454 1.03 0.1317
2-2-di-methylpentane 18 -7.311 1.2119 -2.868 -3.191 0.293 0.2938 1.052 0.2325
2-3-di-methylpentane 20 -7.448 1.4219 -3.212 -2.31 0.3259 0.3273 1.0728 0.3309
2-4-di-methylpentane 19 -7.304 1.0159 -2.696 -3.826 0.3572 0.3582 1.0728 0.3309
2-methylhexane 20 -7.83 1.9865 -4.426 -0.195 0.4577 0.4591 1.0948 0.4377
3-3-di-methylpentane 19 -7.252 1.2526 -2.675 -2.767 0.2112 0.2138 1.052 0.2325
3-ethyl-pentane 18 -7.499 1.4066 -3.399 -2.346 0.3871 0.3881 1.0845 0.3874
3-methylhexane 20 -7.877 2.1572 -4.553 -0.067 0.4301 0.4312 1.0948 0.4377
n-octane 35 -7.904 1.3416 -3.49 -5.97 0.7385 0.7196 1.1556 0.7441
2-2-4-tri-methylpentane 20 -7.362 1.118 -2.706 -3.984 0.3551 0.3559 1.0757 0.3447
2-3-4-tri-methylpentane 20 7.5335 1.4021 -3.286 -2.614 0.4016 0.4027 1.0948 0.438
2-methylheptane 20 -8.046 1.9665 -4.789 -0.665 0.65 0.6535 1.1353 0.6407
3-methylheptane 20 -8.062 2.0851 -4.929 -0.16 0.6223 0.6253 1.1353 0.6407
n-nonane 27 -7.899 0.8218 -3.029 -8.379 0.9386 0.9032 1.192 0.9325
2-2-3-3-tetra-methylpentane 20 -7.681 1.8984 -3.971 -1.081 0.3535 0.3544 1.0811 0.3709
2-2-3-4-tetra-methylpentane 20 -7.757 2.0005 -4.352 -0.019 0.3941 0.3954 1.0989 0.4581
2-2-4-4-tetra-methylpentane 20 -7.837 2.1637 -4.46 0.035 0.3902 0.312 1.0811 0.3709
2-2-5-tri-methylhexane 18 -7.644 1.2852 -3.843 -2.488 0.5799 0.5846 1.1177 0.5518
2-3-3-4-tetra-methylpentane 18 -7.829 2.147 -4.489 0.5497 0.3904 0.3921 1.0989 0.4581
3-3-di-ethylpentane 19 -7.854 1.8493 -3.795 -1.112 0.4708 0.4719 1.1014 0.4703
n-decane 28 -7.812 0.24 -2.635 -10.5 1.1185 1.0625 1.2264 1.1112
n-undecane 25 -7.78 -0.287 -2.228 -12.85 1.3132 1.2362 1.259 1.2797
n-dodecane 27 -8.118 -0.006 -2.831 -13.73 1.4876 1.4139 1.2901 1.4378
n-tridecane 19 -8.621 0.6874 -4.139 -11.97 1.609 1.5841 1.3197 1.5855
n-tetradecane 16 -8.459 0.0005 -3.329 -16.36 1.6839 1.7093 1.3481 1.723
n-pentadecane 16 -9.159 1.3175 -6.115 -9.615 1.8254 1.8718 1.3753 1.8502
n-hexadecane 10 -9.129 0.6109 -4.855 -1.528 1.8879 2.0964 1.4015 1.9676
n-heptadecane 17 -9.973 2.2643 -7.837 -11.9 2.1494 2.2144 1.4268 2.0752
n-octadecane 16 -10.72 3.7376 -11.04 0.1781 2.2738 2.3531 1.4512 2.1734
n-nonadecane 17 -10.9 3.7947 -11.72 0.4011 2.4203 2.5192 1.4748 2.2624
n-eicosane 17 -8.566 -1.826 -1.608 -41.44 2.3889 2.5385 1.4977 2.3424
methanol 20 -8.531 0.6854 -2.811 0.2238 1.2365 1.2998 1.2964 1.4698
ethanol 25 -8.353 -0.124 -4.706 4.6089 1.6788 1.6948 1.2773 1.373
1-propanol 19 -8.098 0.1585 -7.944 10.032 1.6093 1.7141 1.2809 1.3912
1-butanol 16 -7.885 0.2214 -8.758 4.823 1.4887 1.6678 1.2945 1.4601
2-butanol 16 -7.76 0.2617 -9.37 1.8565 1.4358 1.653 1.2935 1.4548
1-pentanol 19 -7.988 0.5426 -8.663 -3.324 1.5312 1.6462 1.313 1.5526
1-hexanol 13 -8.576 0.6133 -5.86 -15.28 1.8374 1.7911 1.334 1.6553
1-heptanol 13 -7.486 -0.631 -5.624 -21.59 1.6829 1.6073 1.3562 1.7613
1-octanol 18 -9.652 4.116 -12.78 -4.758 1.5928 1.6981 1.3788 1.8663
1-decanol 26 -8.621 1.3873 -8.236 -19.25 1.6903 1.7753 1.4242 2.0645
benzene 115 -6.958 1.2776 -2.565 -3.404 0 0 1 0
toluene 112 -7.398 1.6498 -3.068 -2.533 0.1653 0.1842 1.0378 0.1668
ethylbenzene 26 -7.315 0.9199 -1.996 -5.949 0.3359 0.3458 1.0761 0.3469
n-propyl-benzene 19 -8.071 2.3237 -4.817 -0.09 0.5176 0.5185 1.1123 0.5248
n-butyl-benzene 26 -7.611 0.6129 -2.169 -7.718 0.7105 0.7029 1.1466 0.6982
iso-butyl-benzene 20 -8.67 2.9518 -4.549 -2.533 0.6638 0.6609 1.1412 0.6704
sec-butyl-benzene 20 -6.685 0.3506 -4.011 0.8149 0.3361 0.3346 1.1316 0.6216
tert-butyl-benzene 20 -6.511 0.1055 -3.705 -0.394 0.3007 0.2973 1.0976 0.4516
iso-propyl-benzene 26 -7.458 1.0683 -2.718 -5.745 0.4671 0.4537 1.0961 0.4441
1-4-diethyl-benzene 20 -8.004 1.5275 -4.057 -2.441 0.7418 0.7446 1.1552 0.7424
o-xylene 43 -7.565 1.4131 -2.73 -4.597 0.3586 0.373 1.0744 0.3384
m-xylene 47 -7.591 1.3082 -2.567 -5.059 0.4037 0.4209 1.0803 0.367
p-xylene 36 -7.756 1.7748 -3.372 -2.914 0.3976 0.405 1.0803 0.367
1-methyl-4-ethylbenzene 19 -7.284 0.9767 -4.122 0.0267 0.4851 0.487 1.1162 0.5443
1-methyl-3-ethylbenzene 20 -7.066 0.6274 -4.396 2.1216 0.4988 0.5038 1.1162 0.5443
1-methyl-2-ethylbenzene 20 -7.004 0.8765 -4.852 3.08 0.3989 0.3994 1.1091 0.5087
1-3-5-tri-methylbenzene 19 -7.778 0.9523 -2.79 -4.369 0.7132 0.7143 1.12 0.5635
1-2-4-tri-methylbenzene 20 -7.838 1.4038 -3.536 -2.183 0.6268 0.6284 1.1147 0.5369
1-2-3-tri-methylbenzene 20 -8.096 2.1062 -4.418 -0.445 0.585 0.5865 1.1201 0.5638
o-cymene 15 -6.759 -0.752 -1.855 -0.069 0.5797 0.6247 1.1272 0.5995
m-cymene 15 -6.561 -0.78 -2.512 -0.046 0.5651 0.5746 1.1353 0.6408
p-cymene 28 -7.112 -0.203 -1.408 -7.243 0.6275 0.6295 1.1353 0.6408
phenol 74 -9.688 5.0837 -9.027 -0.911 0.9449 0.8875 1.21 1.0259
o-cresol 25 -7.79 0.4573 -1.595 -13.92 0.9199 0.8691 1.2151 1.0524
m-cresol 25 -8.03 1.1875 -4.393 -9.615 1.078 0.9902 1.2248 1.1025
p-cresol 26 -10.23 5.1743 -7.866 -7.987 1.2237 1.133 1.2248 1.1025
2-4-xylenol 26 -8.305 0.9028 -3.313 -8.228 1.1924 1.1689 1.2406 1.1848
2-5-xylenol 21 -8.443 0.1392 -0.01 -16.84 1.2903 1.289 1.2406 1.1848
3-5-xylenol 21 -8.255 1.5599 -6.241 -8.126 1.2298 1.1699 1.2493 1.2297
cyclohexane 12 -7.182 1.8673 -3.683 -0.623 0.0011 0.0012 1.0003 0.0013
1-1dimethyl-cyclohexane 20 -6.871 0.909 -2.934 -1.885 0.1275 0.1263 1.0291 0.1274
1-2-dimethyl-cyclohexane 20 -6.766 0.775 -3.317 -0.805 0.1497 0.1465 1.0256 0.1117
n-propyl-cyclohexane 20 -6.62 0.3542 -3.793 0.2777 0.2723 0.2701 1.0674 0.305
iso-propyl-cyclohexane 20 -6.691 0.8089 -4.469 1.7481 0.193 0.1873 1.0525 0.2346
n-butyl-cyclohexane 20 -10.2 6.9416 -10.52 5.5831 0.5662 0.5577 1.1054 0.49
iso-butyl-cyclohexane 20 -7.904 2.2804 -4.667 -0.865 0.4153 0.415 1.1004 0.4653
tert-butyl-cyclohexane 20 -6.73 0.6981 -4.326 1.449 0.2485 0.2468 1.0603 0.2714
cyclohexene 22 -6.607 0.4216 -1.224 -5.354 0.0095 0.0025 0.8809 -0.43
aniline 32 -6.815 -0.871 -0.932 -7.391 0.6602 0.6636 1.1554 0.7431
2-methyl-aniline 33 -9.03 3.2624 -5.545 -6.066 0.9206 0.8804 1.1705 0.8211
3-methyl-aniline 33 -7.101 -0.625 -0.956 -12.46 0.8514 0.7879 1.1779 0.8591
diemthyl-aniline 15 -6.625 -2.218 3.2409 -22.53 0.7751 0.7631 1.1616 0.7752
bromobenzene 12 -7.255 1.511 -3.144 -1.346 0.1488 0.1471 1.0338 0.1488
chlorobenzene 26 -8.705 4.8664 -7.76 5.6279 0.1124 0.1439 1.0258 0.1125
benzoic acid 7 -7.733 -0.958 -4.524 -6.212 1.6395 1.6876 1.3307 1.6395
anisole 6 -8.026 2.1861 -4.708 -0.057 0.5335 0.5346 1.1142 0.5341
phenetole 6 -8.35 2.1747 -5.113 -1.089 0.8123 0.8112 1.1688 0.8123
styrene 16 -6.735 0.841 -3.902 -0.105 0.1773 0.1553 1.0402 0.1779
pyridine 47 -6.989 1.078 -2.782 -2.542 0.1187 0.1224 1.0296 0.1297
2-methyl-pyridine 15 -7.768 2.1549 -4.367 0.0299 0.3384 0.3388 1.0622 0.2802
4-methyl-pyridine 21 -7.194 1.0526 -3.058 -2.586 0.2985 0.299 1.0622 0.2802
furan 13 -6.814 1.0943 -2.727 -2.339 -0.01 -0.009 0.9924 -0.032
thiophene 29 -6.819 1.0826 -2.022 -4.5 -0.059 -0.061 0.9859 -0.059
naphthalene 10 -7.867 2.3754 -4.65 0.5803 0.3321 0.3385 1.0823 0.3766
1-methyl-naphthalene 42 -8.065 1.7745 -3.406 -2.717 0.5677 0.6137 1.1173 0.5496
2-methyl-naphthalene 37 -9.342 4.7908 -7.287 0.5946 0.5787 0.5846 1.1173 0.5496
tetralin 31 -5.328 -3.067 1.2555 -8.675 0.3991 0.3735 1.1158 0.5423
quinoline 29 -7.1 0.025 -0.566 -9.916 0.4648 0.4541 1.1018 0.4723
isoquinoline 27 -6.492 -0.677 -0.569 -5.768 0.2932 0.317 0.8741 -0.449
benzofuran 14 -6.737 -0.911 1.2808 -13.91 0.4311 0.4368 1.0644 0.2909
indan 29 -7.572 1.526 -3.129 -3.136 0.3394 0.3629 1.0738 0.3356
indene 21 -6.712 0.0376 -1.466 -8.085 0.3317 0.2737 0.9702 -0.123
indole 24 -7.754 1.3871 -4.785 0.0789 0.6967 0.6979 1.059 0.2654
4-indanol 12 -3.243 -10.06 8.1001 -11.45 1.1614 1.2208 1.2391 1.1768
biphenyl 13 -6.034 -2.465 2.4778 -14.44 0.4938 0.4991 1.1346 0.6371
diphenyl-methane 9 -8.163 1.2257 -1.56 -37.21 0.8686 0.9488 1.1726 0.832
anthracene 32 -13.57 11.192 -15.89 22.812 1.22 1.4684 1.1855 0.8987
pyrene 36 -19.34 27.219 -40.84 53.282 1.0064 1.0147 1.1813 0.8768
triphenylene 15 -8.402 1.6938 -4.409 12.468 0.8603 0.8755 1.2267 1.1124
phenanthrene 17 -12.23 9.0952 -10.97 4.8503 1.0264 1.0574 1.1856 0.8992
dibenzofuran 21 -5.509 -5.777 12.389 -32.24 0.6187 0.6104 1.1487 0.7092
fluorene 26 -7.085 0.0081 -5.274 7.8713 0.8136 0.8317 1.156 0.7464
carbazole 11 -12.43 11.66 -23.1 57.526 1.043 1.0464 1.2259 1.1086
acridine 15 -7.562 0.071 -2.134 -0.278 0.748 0.8442 1.1321 0.6244

Table1

Id  Group Symbol Rg Qg Q(UNIFAC) Example
g1 CH3  0.9011 0.848 0.848 2,2,4-     trimethylpentane
g2 CH2 0.6744 0.54 0.54 5 CH3, 1 CH2, 1 CH, 1C
g3 CH 0.4469 0.228 0.228
g4  C 0.2195 0.0000 0.0000
g5 OH 1.0000 1.7700 1.2000 Ethanol   1 CH3, 1 CH2, 1 OH
g6  ACH* 0.5313 0.4000 0.4000 Iso-butylbenzene
g7  AC  0.3652 0.1200 0.1200 5 ACH, 1AC, 2CH3,    1CH2 1CH 
g8 ACOH 0.8952 1.2562 0.6800 Phenol  5 ACH, 1 ACOH
g9 ACNH2 1.0600 1.1975 0.8160 Aniline   5 ACH, 1 ACNH2
g10                                                                        

CAN 0.8978 0.5332 _____ Dimethylaniline  5 ACH, 1 ACN, 2 CH3
g11 ACCl 1.1562 0.8440 0.8440 Chlorobenzene  5 ACH, 1ACCl
g12 ACBr 1.3144 0.9611 0.9520 Bromobenzene   5ACH, 1ACBr
g13 ACCOOH 1.6665 2.1967 1.3440 Benzoic acid   5 ACH, 1ACCOOH
g14 ACOCH3 1.5102 1.3462 1.2080 Anisole  5 ACH, 1 ACOCH3
g15 ACOCH2 1.2835 1.1031 0.9000 Phenetole  5 ACH, 1 ACOCH2 ,1 CH3
g16 ACCH=CH2 1.7106 1.2068 1.2960 Styrene    5 ACH, 1ACCH=CH2
g17 AN 0.3428 0.3675 0.1130 Pyridine 5 ACH, 1 AN
g18 ANH 0.5326 0.7742 ------  Carbazole  8 ACH, 4AC, 1 ANH
g19 AO 0.2439 0.2706 ------  Furan 4 ACH, 1 AO
g20 AS 0.9188 0.6747 ------  Thiopene  4 ACH, 1AS
                *: All groups starting with "A" are aromatic groups                                                                                                   
Id  Group Symbol Rg Qg Q(UNIFAC) Example
g1 CH3  0.9011 0.848 0.848 2,2,4-     trimethylpentane
g2 CH2 0.6744 0.54 0.54 5 CH3, 1 CH2, 1 CH, 1C
g3 CH 0.4469 0.228 0.228
g4  C 0.2195 0.0000 0.0000
g5 OH 1.0000 1.7700 1.2000 Ethanol   1 CH3, 1 CH2, 1 OH
g6  ACH* 0.5313 0.4000 0.4000 Iso-butylbenzene
g7  AC  0.3652 0.1200 0.1200 5 ACH, 1AC, 2CH3,    1CH2 1CH 
g8 ACOH 0.8952 1.2562 0.6800 Phenol  5 ACH, 1 ACOH
g9 ACNH2 1.0600 1.1975 0.8160 Aniline   5 ACH, 1 ACNH2
g10                                                                        

CAN 0.8978 0.5332 _____ Dimethylaniline  5 ACH, 1 ACN, 2 CH3
g11 ACCl 1.1562 0.8440 0.8440 Chlorobenzene  5 ACH, 1ACCl
g12 ACBr 1.3144 0.9611 0.9520 Bromobenzene   5ACH, 1ACBr
g13 ACCOOH 1.6665 2.1967 1.3440 Benzoic acid   5 ACH, 1ACCOOH
g14 ACOCH3 1.5102 1.3462 1.2080 Anisole  5 ACH, 1 ACOCH3
g15 ACOCH2 1.2835 1.1031 0.9000 Phenetole  5 ACH, 1 ACOCH2 ,1 CH3
g16 ACCH=CH2 1.7106 1.2068 1.2960 Styrene    5 ACH, 1ACCH=CH2
g17 AN 0.3428 0.3675 0.1130 Pyridine 5 ACH, 1 AN
g18 ANH 0.5326 0.7742 ------  Carbazole  8 ACH, 4AC, 1 ANH
g19 AO 0.2439 0.2706 ------  Furan 4 ACH, 1 AO
g20 AS 0.9188 0.6747 ------  Thiopene  4 ACH, 1AS
                *: All groups starting with "A" are aromatic groups                                                                                                   

Table2 Volume (Rg ) and Surface area (Qg) Contributions of various groups (equation 7)

Id. Structure Qr
r1 One aromatic-ring 0.45023
r2 Two aromatic-ring 0.71355
r3 Three aromatic-ring 1.10481
r4 Four aromatic-ring 1.238
r5 One aromatic-one naphthalene (fused) 0.60446
r6 Two aromatic-one naphthalene (fused) 1.01571
r7 Cyclohexane (without attachment) 0.102451
r8 Cyclohexane (with attachment) -0.118173
r9 Isoquinoline -0.13794

Table3 Contributions to Surface Area (Qr) of Various Ring Structures ( Equation 7)

Id. Structure Qs Qp
s1 Branch -0.08289 -----
s2 Branch -0.1233 -----
s3 An alkyl group in the longest chain attached to a ring -0.02157 -----
P1 Attachment to an aromatic ring in ortho position ---- -0.0128
P2 Two attachments to a carbon in a hydro-aromatic ring ---- -0.0539

Table4 Contributions to Surface Area (Qs) and Positional factors (Qp) for Some Molecular Structures (Equation 7)

Absolute percent errors for 10 models
Compound types Tr Range Pts. Method1 Method2 Method3 Method4 L-K Twu-w Pert2 Method5   Method6   Twu-W  
                    Pts. Error Pts. Error Pts. Error
Alkanes 0.3-0.5 76 1.26 4.85 13.32 8.41 8.73 4.9 6.46 76 10.19 75 12.92 76 8.52
  0.5-0.7 599 0.1 1.34 1.2 2.71 2.99 1.91 1.6 593 4.79 576 12.29 128 1.74
  0.7-1.0 231 0.3 2.62 2.79 2.23 1.79 1.78 1.77 237 3.85 255 9.26 155 0.96
  Total 906 0.25 1.96 2.62 3.07 3.17 2.13 2.05 906 5 906 11.49 359 2.84
Alcohols 0.5-0.7 154 0.09 5.15 7.33 16.41 10.72 11.16 11.17 139 32.22 149 36.05 0 ---
  0.7-1.0 31 0.05 8.72 14.06 15.74 1.92 2.05 1.99 46 21.18 36 59.8 0 ---
  Total 185 0.08 5.75 8.46 16.3 9.24 9.63 9.63 185 29.48 185 40.67 0 ---
Alkyl-benzenes 0.3-0.5 9.4 0.76 1.39 3.93 10.05 8.43 7.08 5.36 94 10.65 98 20.57 94 4.31
  0.5-0.7 421 0.21 1.18 0.97 4.27 3.83 3.18 3.03 423 4.63 419 14.31 204 2.04
  0.7-1.0 191 0.18 0.87 0.64 0.67 0.64 0.57 0.59 189 3.06 189 8.88 191 1.26
  Total 706 0.28 1.12 1.27 4.06 3.58 2.99 2.68 706 5.01 706 13.73 489 2.17
Phenols 0.3-0.5 29 6.36 12.08 24.17 13.12 17.25 17.56 19.26 31 10.57 23 53.73 29 10.35
  0.5-0.7 117 0.52 3.11 6.4 7.67 3.08 3.36 4.1 115 10.38 121 43.61 117 3.56
  0.7-1.0 72 1.37 3.39 2.87 4.6 2.3 2.25 2.3 72 5.65 74 12.19 72 3.44
  Total 218 1.58 4.4 7.6 7.38 4.71 4.88 5.52 218 8.85 218 34.01 218 4.42
Hydro-aromatics 0.3-0.5 7 0.15 0.73 2.05 16.85 8 9.53 13.59 7 16.26 8 5.14 7 9.03
  0.5-0.7 151 0.14 1.47 1.56 5.05 4.3 5.07 5.35 151 10.13 146 17.31 11 0.66
  0.7-1.0 16 0.3 0.18 0.09 1.08 0.19 0.27 0.4 16 1.37 20 14.72 4 0.4
  Total 174 0.16 1.32 1.45 5.16 4.07 4.81 5.22 174 9.57 174 16.46 22 3.28
Two-ring aromatics 0.3-0.5 73 1.26 4.59 9.96 9.56 28 26.69 29.57 70 20.09 69 25.36 73 6.6
  0.5-0.7 130 0.44 2.39 1.58 4.24 13.43 13.67 13.81 134 13.04 136 24.03 124 5.66
  0.7-1.0 95 0.79 2.92 2.82 3.25 3.87 3.87 3.87 94 7.88 93 13.39 92 3.65
  Total 298 0.75 3.1 4.03 5.23 13.95 13.74 14.5 298 13.07 298 21.03 289 5.26
3,4-ring aromatics 0.3-0.5 13 2.07 12.38 20.18 18.69 37.78 39.03 38.81 14 24.93 16 29.24 13 14.84
  0.5-0.7 128 7.28 5.8 8.83 16.48 18.1 17.83 17.88 136 25.13 132 26.06 68 31.89
  0.7-1.0 32 4.46 8.95 7.39 12.9 8.76 8.65 8.66 23 24.54 25 16.47 13 28.65
  Total 173 6.37 6.88 9.42 15.99 17.85 17.72 17.75 173 25.03 173 24.97 94 29.08
Other ring compounds 0.3-0.5 53 0.64 3.3 7.01 12.42 6.19 7.03 7.75 55 12.28 49 51.98 51 6.52
  0.5-0.7 194 0.26 1.48 0.92 5.66 2.84 1.9 1.83 193 10.3 197 27.59 104 1.69
  0.7-1.0 64 0.53 1.92 1.66 3.07 1.62 1.63 1.67 63 4.41 65 17.52 60 1.81
  Total 311 0.38 1.88 2.11 6.28 3.16 2.72 2.81 311 9.46 311 29.33 215 2.87
All compounds 0.3-0.5 345 1.47 4.42 10.02 10.67 14.13 12.88 13.69 347 13.39 338 26.71 343 7.07
  0.5-0.7 1894 0.68 2.12 2.51 6 5.64 5.17 5.11 1884 10.17 1876 20.46 756 5.43
  0.7-1.0 732 0.63 2.7 2.76 3.28 2.07 2.05 2.06 740 6.05 757 13.45 587 2.48
  Total 2971 0.76 2.53 3.44 5.87 5.74 5.29 5.35 2971 9.52 2971 19.39 1686 4.74

Table5

Temperature Range           No. Pts             Method2        Method3        Method4       Lee-Kesler
Tm ≤ T ≤ (Tm +30ºK)              100 8.06% 15.65% 13.70% 20.29%
T nearest to Tb                       127 3.15% 2.92% 5.01% 2.54%

Table6 Comparison between our methods and Lee-Kesler Method in Temperature ranges around melting and boiling points.