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Table 4 Results of combustion energy determination for investigated compounds

From: Thermodynamic properties of some isomeric 5-(nitrophenyl)-furyl-2 derivatives

m(cpd), g ΔT, V ΔUfuse, J ΔUHNO3, J ΔUcarbon, J ΔUter, J − cU(cpd), J g−1 m exp /m cal
5-(2-Nitrophenyl)-2-furaldehyde oxime
0.13947 0.25347 106.7 7.7 22.3 412.4 23,464 0.9996
0.18548 0.33140 119.5 11.8 27.6 473.7 23,510 1.0002
0.16006 0.28787 106.2 4.1 20 434.6 23,520 0.9985
0.20085 0.35193 124.4 8.9 39.5 427.2 23,515 0.9961
0.17080 0.30603 118.1 8.9 23.6 441.8 23,507 0.9998
0.17019 0.30680 111.2 9.4 38.2 488 23,510 0.9987
0.19456 0.34651 121.3 11.2 43.5 505.5 23,483 0.9959
− cU(cpd)average = 23,501 ± 17 J g−1
5-(3-Nitrophenyl)-2-furaldehyde oxime
0.15358 0.31158 82.0 10.0 28.5 982.4 23,421 0.9968
0.26843 0.46052 94.5 14.8 28.2 499.8 23,400 0.9952
0.14936 0.27347 82.4 7.1 48.4 534.1 23,431 0.9998
0.14361 0.26148 121.2 7.1 25.1 424.5 23,456 1.0000
0.15737 0.28468 120.7 7.1 27.4 453.2 23,438 0.9987
0.18331 0.32799 99.5 8.9 28.2 510.2 23,400 0.9990
0.13068 0.24331 99.4 7.7 25.3 483.8 23,416 0.9991
− cU(cpd)average = 23,429 ± 16 J g−1
5-(4-Nitrophenyl)-2-furaldehyde oxime
0.20572 0.36079 106.5 14.2 27.7 486.0 23,319 1.0000
0.12488 0.23304 104.1 4.7 23.9 473.6 23,335 0.9989
0.17515 0.34180 117.1 8.3 32.3 902.4 23,395 0.9999
0.21358 0.40512 120.3 13.0 27.2 946.7 23,335 0.9992
0.18755 0.36144 136.0 9.4 21.3 884.7 23,338 0.9999
0.24203 0.44750 127.9 13.6 31.7 913.2 23,324 0.9987
0.16330 0.32067 120.1 8.9 23.6 858.2 23,360 0.9965
− cU(cpd)average = 23,344 ± 22 J g−1
3-[5-(2-Nitrolphenyl)-2-furyl]acrylic acid
0.31440 0.49265 82.0 3.5 29.9 23,172 0.9968
0.37839 0.59087 72.3 4.7 28.4 23,140 0.9992
0.33991 0.53119 85.7 8.9 53.3 23,165 0.9973
0.36358 0.56796 78.7 9.4 30.8 23,120 0.9965
0.41155 0.64234 74.8 9.4 30.8 23,127 0.9978
0.13428 0.21518 129.3 4.7 34.1 23,134 0.9995
0.12360 0.19809 113.3 4.1 28.2 23,160 0.9997
− cU(cpd)average = 23,145 ± 20 J g−1
3-[5-(3-Nitrolphenyl)-2-furyl]acrylic acid
0.21935 0.3439 97.3 7.1 46.9 23,100 0.9985
0.23066 0.36164 103.8 8.9 24.9 23,062 0.9962
0.19197 0.30458 110.9 7.7 21.3 23,135 1.0000
0.27004 0.42269 80.2 13.0 24.3 23,069 0.9998
0.24827 0.39045 97.7 10.6 22.8 23,090 0.9986
0.24804 0.38918 84.7 12.4 28.5 23,103 0.9991
0.24000 0.37684 91.5 10.0 24.4 23,076 0.9979
− cU(cpd)average = 23,091 ± 22 J g−1
3-[5-(4-Nitrolphenyl)-2-furyl]acrylic acid
0.16072 0.25432 106.7 5.9 22.8 23,020 0.9999
0.17773 0.27984 101.4 7.7 25.1 22,989 0.9999
0.23568 0.37014 115.7 10.0 27.2 22,985 0.9996
0.16126 0.25492 101.1 5.9 23.3 23,036 0.9998
0.19640 0.30968 99.9 8.3 23.0 23,062 0.9997
0.16949 0.26797 112.3 6.5 23.5 22,997 0.9999
0.16084 0.25462 102.3 4.7 20.3 23,050 0.9995
− cU(cpd)average = 23,020 ± 26 J g−1