Molecular weight and standard enthalpy of formation
Molecular Weight And
Enthalpy of Formation at 298K
╔══════════╦═══════╦════════╗
║ ║ M. W. ║ kJ/mol ║
╠══════════╬═══════╬════════╣
║H ║ 1.008║ 218 ║
║H2 ║ 2.016║ 0 ║
╠══════════╬═══════╬════════╣
║O ║ 16 ║ 249.2 ║
║O(1D) ║ 16 ║ 438.9 ║
║O2 ║ 32 ║ 0 ║
║O2(1Delta)║ 32 ║ 94.1 ║
║O2(1Sigma)║ 32 ║ 157 ║
║O3 ║ 48 ║ 143 ║
╠══════════╬═══════╬════════╣
║OH ║ 17.008║ 39 ║
║HO2 ║ 33.008║ 12 ║
║H2O ║ 18.016║ -241.9 ║
║H2O2 ║ 34.016║ -136.4 ║
╠══════════╬═══════╬════════╣
║N ║ 14.01 ║ 473 ║
║N2 ║ 28.02 ║ 0 ║
╠══════════╬═══════╬════════╣
║NH ║ 15.018║ 357 ║
║NH2 ║ 16.026║ 190 ║
║NH3 ║ 17.034║ -45.94║
╠══════════╬═══════╬════════╣
║NO ║ 30.01 ║ 90.25║
║NO2 ║ 46.01 ║ 33 ║
║NO3 ║ 62.01 ║ 73.6 ║
║N2O ║ 44.02 ║ 82.05║
║N2O3 ║ 76.02 ║ 82.8 ║
║N2O4 ║ 92.02 ║ 9.2 ║
║N2O5 ║108.02 ║ 11 ║
╠══════════╬═══════╬════════╣
║HNO ║ 31.018║ 107 ║
║HONO ║ 47.018║ -79.5 ║
║HNO3 ║ 63.018║ -135 ║
║HO2NO2 ║ 79.018║ -52.3 ║
╠══════════╬═══════╬════════╣
║C ║ 12.01 ║ 715 ║
║CH ║ 13.018║ 594.1 ║
║CH2 ║ 14.026║ 389 ║
║CH3 ║ 15.034║ 146 ║
║CH4 ║ 16.042║ -74.81║
╠══════════╬═══════╬════════╣
║CN ║ 26.02 ║ 435 ║
║HCN ║ 27.028║ 135 ║
║CH3NH2 ║ 31.06 ║ -23 ║
╠══════════╬═══════╬════════╣
║NCO ║ 42.02 ║ 159 ║
║HNCO ║ 43.028║ -105 ║
╠══════════╬═══════╬════════╣
║CO ║ 28.01 ║ -110.5 ║
║CO2 ║ 44.01 ║ -393.6 ║
║HCO ║ 29.018║ 42 ║
║CH2O ║ 30.026║ -109 ║
║COOH ║ 45.018║ -222 ║
║HCOOH ║ 46.026║ -379 ║
║CH3O ║ 31.034║ 17 ║
║CH3O2 ║ 47.034║ 17 ║
║CH2OH ║ 31.034║ -15 ║
║CH3OH ║ 32.042║ -202 ║
║CH3OOH ║ 48.042║ -131 ║
╠══════════╬═══════╬════════╣
║CH3ONO ║ 61.044║ -65.3 ║
║CH3ONO2 ║ 77.044║ -120 ║
║CH3O2NO2 ║ 93.044║ -44.4 ║
╠══════════╬═══════╬════════╣
║C2H ║ 25.028║ 565 ║
║C2H2 ║ 26.036║ 227.4 ║
║C2H2OH ║ 43.044║ 126 ║
║C2H3 ║ 27.044║ 297 ║
║C2H4 ║ 28.052║ 52.09║
║C2H5 ║ 29.06 ║ 119 ║
║C2H6 ║ 30.068║ -84.7 ║
╠══════════╬═══════╬════════╣
║CH2CN ║ 40.046║ 245 ║
║CH3CN ║ 41.054║ 75 ║
╠══════════╬═══════╬════════╣
║CH2CO ║ 42.036║ -46 ║
║CH3CO ║ 43.044║ -10 ║
║CH3CHO ║ 44.052║ -166 ║
║C2H5O ║ 45.06 ║ -17 ║
║CH2CH2OH ║ 45.06 ║ -33 ║
║C2H5OH ║ 46.068║ -235 ║
║CH3CO2 ║ 59.044║ -208 ║
║CH3COOH ║ 60.052║ -432.2 ║
║C2H5O2 ║ 61.06 ║ -25 ║
║CH3COO2 ║ 75.044║ -172 ║
║CH3OOCH3 ║ 62.068║ -126 ║
╠══════════╬═══════╬════════╣
║C3H5 ║ 41.07 ║ 165 ║
║C3H6 ║ 42.078║ 20 ║
║n-C3H7 ║ 43.086║ 94.6 ║
║i-C3H7 ║ 43.086║ 79 ║
║C3H8 ║ 44.094║ -104 ║
║C2H5CHO ║ 58.078║ -187 ║
║CH3COCH3 ║ 58.078║ -217 ║
║CH3COO2NO2║121.054║ -259 ║
╠══════════╬═══════╬════════╣
║F ║ 19 ║ 79 ║
║F2 ║ 38 ║ 0 ║
║HF ║ 20.008║ -272.5 ║
║HOF ║ 36.008║ -97.9 ║
║FO ║ 35 ║ 109 ║
║F2O ║ 54 ║ 25 ║
║FO2 ║ 51 ║ 25 ║
║F2O2 ║ 70 ║ 21 ║
║FONO ║ 65.01 ║ 54 ║
║FNO ║ 49.01 ║ -67 ║
║FNO2 ║ 65.01 ║ -109 ║
║FONO2 ║ 81.01 ║ 13 ║
╠══════════╬═══════╬════════╣
║CF ║ 31.01 ║ 255 ║
║CF2 ║ 50.01 ║ -184 ║
║CF3 ║ 69.01 ║ -469 ║
║CF4 ║ 88.01 ║ -933 ║
║CHF3 ║ 70.018║ -697.9 ║
║CHF2 ║ 51.018║ -243 ║
║CH2F2 ║ 52.026║ -452.7 ║
║CH2F ║ 33.026║ -33 ║
║CH3F ║ 34.034║ -234 ║
╠══════════╬═══════╬════════╣
║FCO ║ 47.01 ║ -172 ║
║F2CO ║ 66.01 ║ -607 ║
║CF3O ║ 85.01 ║ -628 ║
║CF3O2 ║101.01 ║ -619 ║
║CF3OH ║ 86.018║ -912 ║
║CF3OOCF3 ║170.02 ║-1435 ║
║CF3OOH ║102.018║ -799 ║
║CF3OF ║104.01 ║ -724 ║
╠══════════╬═══════╬════════╣
║CH3CHF ║ 47.052║ -71 ║
║CH3CH2F ║ 48.06 ║ -264 ║
║CH2FCH2F ║ 66.052║ -448 ║
║CH2FCHF2 ║ 84.044║ -665 ║
║CHF2CHF2 ║102.036║ -879 ║
║CH2CF3 ║ 83.036║ -519 ║
║CH3CF3 ║ 84.044║ -749 ║
║CH3CF2 ║ 65.044║ -297 ║
║CH3CHF2 ║ 66.052║ -502 ║
║CHFCF3 ║101.028║ -682 ║
║CH2FCF3 ║102.036║ -895 ║
║CF2CF3 ║119.02 ║ -891 ║
║CHF2CF3 ║120.028║-1105 ║
╠══════════╬═══════╬════════╣
║Cl ║ 35.45 ║ 121 ║
║Cl2 ║ 70.9 ║ 0 ║
║HCl ║ 36.458║ -92.3 ║
║ClO ║ 51.45 ║ 102 ║
║ClOO ║ 67.45 ║ 97.5 ║
║OClO ║ 67.45 ║ 94.6 ║
║ClOO2 ║ 83.45 ║ 69.9 ║
║ClO3 ║ 83.45 ║ 218 ║
║Cl2O ║ 86.9 ║ 81.6 ║
║Cl2O2 ║102.9 ║ 130 ║
║Cl2O3 ║118.9 ║ 155 ║
║HOCl ║ 52.458║ -75 ║
╠══════════╬═══════╬════════╣
║ClNO ║ 65.46 ║ 51.9 ║
║ClNO2 ║ 81.46 ║ 13 ║
║ClONO ║ 81.46 ║ 54 ║
║ClONO2 ║ 97.46 ║ 23 ║
║FCl ║ 54.45 ║ -50.6 ║
╠══════════╬═══════╬════════╣
║CCl2 ║ 82.91 ║ 241 ║
║CCl3 ║118.36 ║ 71 ║
║CCl3O2 ║150.36 ║ -11 ║
║CCl4 ║153.81 ║ -95.8 ║
║CHCl3 ║119.368║ -103 ║
║CHCl2 ║ 83.918║ 96 ║
║CH2Cl ║ 49.476║ 121 ║
║CH2Cl2 ║ 84.926║ -95.4 ║
║CH3Cl ║ 50.484║ -82 ║
╠══════════╬═══════╬════════╣
║ClCO ║ 63.46 ║ -21 ║
║COCl2 ║ 98.91 ║ -220 ║
╠══════════╬═══════╬════════╣
║CHFCl ║ 67.468║ -63 ║
║CH2FCl ║ 68.476║ -264 ║
║CFCl ║ 66.46 ║ 29 ║
║CFCl2 ║101.91 ║ -92 ║
║CFCl3 ║137.36 ║ -285 ║
║CF2Cl2 ║120.91 ║ -493.3 ║
║CF3Cl ║104.46 ║ -707.9 ║
║CHFCl2 ║102.918║ -285 ║
║CHF2Cl ║ 86.468║ -483.7 ║
║CF2Cl ║ 85.46 ║ -280 ║
║COFCl ║ 82.46 ║ -427 ║
╠══════════╬═══════╬════════╣
║CH3CF2Cl ║100.494║ -531 ║
║CH2CF2Cl ║ 99.486║ -314 ║
║C2Cl4 ║165.82 ║ -13 ║
║C2HCl3 ║131.378║ -7.9 ║
║CH2CCl3 ║132.386║ 71 ║
║CH3CCl3 ║133.394║ -142 ║
║CH3CH2Cl ║ 64.51 ║ -112 ║
║CH2CH2Cl ║ 63.502║ 92 ║
║CH3CHCl ║ 63.502║ 73.6 ║
╠══════════╬═══════╬════════╣
║Br ║ 79.9 ║ 112 ║
║Br2 ║159.8 ║ 30.9 ║
║HBr ║ 80.908║ -36.3 ║
║HOBr ║ 96.908║ -59 ║
║BrO ║ 95.9 ║ 126 ║
║BrNO ║109.91 ║ 82.4 ║
║BrONO ║125.91 ║ 105 ║
║BrNO2 ║125.91 ║ 71 ║
║BrONO2 ║141.91 ║ 46 ║
║BrCl ║115.35 ║ 15 ║
╠══════════╬═══════╬════════╣
║CH2Br ║ 93.926║ 197 ║
║CHBr3 ║252.718║ 25 ║
║CHBr2 ║172.818║ 188 ║
║CBr3 ║251.71 ║ 201 ║
║CH2Br2 ║173.826║ -11 ║
║CH3Br ║ 94.934║ -36 ║
║CH3CH2Br ║108.96 ║ -61.9 ║
║CH2CH2Br ║107.952║ 134 ║
║CH3CHBr ║107.952║ 126 ║
╠══════════╬═══════╬════════╣
║I ║126.9 ║ 106.8 ║
║I2 ║253.8 ║ 62.43║
║HI ║127.908║ 26 ║
║CH3I ║141.934║ 15 ║
║CH2I ║140.926║ 218 ║
║IO ║142.9 ║ 128 ║
║INO ║156.91 ║ 121 ║
║INO2 ║172.91 ║ 60.2 ║
╠══════════╬═══════╬════════╣
║S ║ 32.07 ║ 277 ║
║S2 ║ 64.14 ║ 128.5 ║
║HS ║ 33.078║ 143 ║
║H2S ║ 34.086║ -21 ║
║SO ║ 48.07 ║ 5.4 ║
║SO2 ║ 64.07 ║ -296.9 ║
║SO3 ║ 80.07 ║ -396 ║
║HSO ║ 49.078║ -4 ║
║HSO3 ║ 81.078║ -385 ║
║H2SO4 ║ 98.086║ -736 ║
╠══════════╬═══════╬════════╣
║CS ║ 44.08 ║ 280 ║
║CS2 ║ 76.15 ║ 117 ║
║CS2OH ║ 93.158║ 110 ║
║CH3S ║ 47.104║ 125 ║
║CH3SOO ║ 79.104║ 75 ║
║CH3SO2 ║ 79.104║ -238 ║
║CH3SH ║ 48.112║ -23 ║
║CH2SCH3 ║ 61.13 ║ 137 ║
║CH3SCH3 ║ 62.138║ -37 ║
║CH3SSCH3 ║ 94.208║ -24 ║
║OCS ║ 60.08 ║ -142 ║
╚══════════╩═══════╩════════╝
© Mitsu Kono
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