This page provides supplementary chemical data on ethylene.
Structure and properties edit
Structure and properties | |
---|---|
Index of refraction | ? |
Dielectric constant | ? ε0 at ? °C |
Bond strength | ? |
Bond length | C-C 133pm C-H 108 pm |
Bond angle | 121.7 |
Magnetic susceptibility | ? |
Thermodynamic properties edit
Phase behavior | |
---|---|
Triple point | 104 K (−169 °C), 120 Pa |
Critical point | 282.5 K (9.4 °C), 50.6 bar |
Std enthalpy change of fusion, ΔfusH |
+3.35 kJ/mol |
Std entropy change of fusion, ΔfusS |
+32.2 J/(mol·K) |
Std enthalpy change of vaporization, ΔvapH |
+13.5 kJ/mol |
Std entropy change of vaporization, ΔvapS |
? J/(mol·K) |
Solid properties | |
Std enthalpy change of formation, ΔfH |
? kJ/mol |
Standard molar entropy, S |
? J/(mol K) |
Heat capacity, cp | ? J/(mol K) |
Liquid properties | |
Std enthalpy change of formation, ΔfH |
? kJ/mol |
Standard molar entropy, S |
117.8 J/(mol K) |
Heat capacity, cp | 67.4 J/(mol K) |
Gas properties | |
Std enthalpy change of formation, ΔfH |
+52.47 kJ/mol |
Standard molar entropy, S |
219.32 J/(mol K) |
Enthalpy of combustion, ΔcH |
–1387.4 kJ/mol |
Heat capacity, cp | 42.9 J/(mol K) |
van der Waals' constants[1] | a = 453.02 L2 kPa/mol2 b = 0.05714 liter per mole |
Vapor pressure of liquid edit
P in mmHg | 1 | 10 | 40 | 100 | 400 | 760 | 1520 | 3800 | 7600 | 15200 | 30400 | ||
T in °C | –168.3 | –153.2 | –141.3 | –131.8 | –113.9 | –103.7 | –90.8 | –71.1 | –52.8 | –29.1 | –1.5 | — |
Table data obtained from CRC Handbook of Chemistry and Physics, 44th ed.
Spectral data edit
UV-Vis | |
---|---|
λmax | ? nm |
Extinction coefficient, ε | ? |
IR | |
Major absorption bands | 974 cm−1 |
NMR | |
Proton NMR | |
Carbon-13 NMR | |
Other NMR data | |
MS | |
Masses of main fragments |
Material Safety Data Sheet edit
The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Material Safety Datasheet (MSDS) for this chemical from a reliable source such as SIRI, and follow its directions.
This box:
- Except where noted otherwise, data relate to Standard temperature and pressure.
- Reliability of data general note.
References edit
- ^ Lange's Handbook of Chemistry 10th ed, pp 1522-1524