This version of results was partially explained in Ruscic et al. <4>, and also was also used for the initial advancement of high-accuracy piersonforcongress.comn composite electronic structure methods <5>. varieties Name Formula picture ΔfH°(0K) ΔfH°(298.15K) uncertainty Units loved one Molecular fixed identifier Ethylene
C2H4 (g)
60.9652.45± 0.13kJ/mol28.0532 ±0.001674-85-1*0

Representative Geometry that C2H4 (g)

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top contributors to the provenance that ΔfH° the C2H4 (g)

The 20
contributors provided below account only for 47.9% of the provenance of ΔfH° the C2H4 (g). A complete of 493 contributors would be needed to account because that 90% of the provenance. Please note: The list is limited to 20 most important contributors or, if less, a number enough to account because that 90% that the provenance. The Reference acts together a further link to the relevant references and notes because that the measurement. The Measured Quantity is normaly offered in the original units; in instances where we have reinterpreted the initial measurement, the listed value might differ native that provided by the authors. The quoted apprehension is the a priori uncertainty offered as intake when building the early Thermochemical Network, and also corresponds either to the worth proposed through the initial authors or come our estimate; if second multiplier is given in parentheses automatically after the front uncertainty, it synchronizes to the factor through which the former uncertainty required to be multiplied during the evaluation in stimulate to do that particular measurement regular with the prevailing knowledge had in the Thermochemical Network.

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contribution (%)TNID Reaction Measured amount Reference11.1
1779.1 C2H4 (g) +3O2 (g) →2CO2 (g) +2H2O (cr,l) ΔrH°(298.15K)=-1411.18±0.30kJ/molRossini 1937
4.9117.2 1/2O2 (g) +H2 (g) →H2O (cr,l) ΔrH°(298.15K)=-285.8261±0.040kJ/molRossini 1939, Rossini 1931, Rossini 1931b, note H2Oa, Rossini 1930
4.91722.1 C2H6 (g) +7/2O2 (g) →2CO2 (g) +3H2O (cr,l) ΔrH°(298.15K)=-1560.68±0.25kJ/molPittam 1972
2.91780.1 C2H4 (g) +H2 (g) →C2H6 (g) ΔrH°(355.15K)=-32.831±0.05kcal/molKistiakowsky 1935
2.81642.1 2H2 (g) +C (graphite) →CH4 (g) ΔrG°(1165K)=37.521±0.068kJ/molSmith 1946, keep in mind COf, 3rd Law
2.62555.1 CH2(CH2CH2CH2) (g) →2C2H4 (g) ΔrG°(750K)=-13.37±0.12 (×1.61)kcal/molQuick 1972, 3rd Law, note unc3
2.32368.14 CH2CCH2 (g) +CH4 (g) →2C2H4 (g) ΔrH°(0K)=-8.78±0.8kJ/molFerguson 2013, est unc
2.03726.1 CH3CH2Cl (g) +3O2 (g) →2CO2 (g) +HCl (aq, 600 H2O) +2H2O (cr,l) ΔrH°(298.15K)=-337.73±0.14 (×1.114)kcal/molFletcher 1971, as quoted by Pedley 1986
1.81565.2 CO (g) →C+ (g) +O (g) ΔrH°(0K)=22.3713±0.0015eVNg 2007
1.41780.2 C2H4 (g) +H2 (g) →C2H6 (g) ΔrG°(723.15K)=-10.867±0.072kcal/molKistiakowsky 1951
1.32368.11 CH2CCH2 (g) +CH4 (g) →2C2H4 (g) ΔrH°(0K)=-2.24±0.25kcal/molKarton 2009b, Karton 2011
1.21855.5 2C2H4 (g) →HCCH (g) +C2H6 (g) ΔrH°(0K)=9.26±0.20kcal/molKarton 2007
1.11766.1 C2H4 (g) →2C (g) +4H (g) ΔrH°(0K)=2226.23±0.70kJ/molHarding 2007, Ferguson 2013
1.11519.7 C (graphite) +O2 (g) →CO2 (g) ΔrH°(298.15K)=-393.464±0.024kJ/molHawtin 1966, note CO2e
1.11856.1 C2H4 (g) →+ (g) +H2 (g) ΔrH°(0K)=13.135±0.005 (×1.139)eVMalow 1999, est unc
1.11856.2 C2H4 (g) →+ (g) +H2 (g) ΔrH°(0K)=13.135±0.005 (×1.139)eVMahnert 1996
0.92368.12 CH2CCH2 (g) +CH4 (g) →2C2H4 (g) ΔrH°(0K)=-2.38±0.3kcal/molWheeler 2007
0.82267.12 CH3CH2CH3 (g) +CH4 (g) →2C2H6 (g) ΔrH°(0K)=2.96±0.20kcal/molKarton 2011, Karton 2009b
0.82299.1 CH3CHCH2 (g) +9/2O2 (g) →3CO2 (g) +3H2O (cr,l) ΔrH°(298.15K)=-2057.72±0.62kJ/molRossini 1937
0.82559.1 CH2(CH2CH2CH2) (l) +6O2 (g) →4CO2 (g) +4H2O (l) ΔrH°(298.15K)=-650.33±0.12kcal/molKaarsemaker 1952, Coops 1950, as quoted by Cox 1970

height 10 varieties with enthalpies of formation correlated to the ΔfH° the C2H4 (g)

you re welcome note: The correlation coefficients are acquired by renormalizing the off-diagonal facets of the covariance procession by the corresponding variances. The correlation coefficient is a number indigenous -1 to 1, v 1 representing perfectly associated species, -1 representing perfect anti-correlated species, and 0 representing perfectly uncorrelated species. Correlation Coefficent(%)Species name Formula picture ΔfH°(0K) ΔfH°(298.15K) skepticism Units relative Molecular massive identifier 99.9
Ethylene cation+ (g)
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1075.281068.07± 0.13kJ/mol28.0526 ±0.001634470-02-5*0
66.0 EthaneC2H6 (g)
-68.29-83.91± 0.14kJ/mol30.0690 ±0.001774-84-0*0
58.0 Ethyl chlorideCH3CH2Cl (g)
-96.76-111.35± 0.20kJ/mol64.5138 ±0.001975-00-3*0
56.5 Ethyl chlorideCH3CH2Cl (cr,l)
-134.15-135.77± 0.21kJ/mol64.5138 ±0.001975-00-3*500
49.9 Acetylene cation+ (g)
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1328.851328.18± 0.14kJ/mol26.0367 ±0.001625641-79-6*0
49.9 AcetyleneHCCH (g)
228.84228.28± 0.14kJ/mol26.0373 ±0.001674-86-2*0
47.6 Carbon atomC (g)
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711.401716.886± 0.050kJ/mol12.01070 ±0.000807440-44-0*0
47.6 Carbon atomC (g, triplet)
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711.401716.886± 0.050kJ/mol12.01070 ±0.000807440-44-0*1
47.6 Carbon atomC (g, singlet)
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833.332838.478± 0.050kJ/mol12.01070 ±0.000807440-44-0*2
47.6 Carbon atom cationC+ (g)
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1797.8541803.452± 0.050kJ/mol12.01015 ±0.0008014067-05-1*0

Most significant reactions entailing C2H4 (g)