This page provides supplementary chemical data on hydrogen iodide.
Structure and properties edit
Structure and properties | |
---|---|
Index of refraction | 1.466 |
Dielectric constant | 1.00214 ε0 at 20 °C |
Bond strength | 298.407 kJ/mol |
Bond length | 160.9 pm |
Magnetic susceptibility | ? |
Thermodynamic properties edit
Phase behavior | |
---|---|
Triple point | ? K (? °C), ? Pa |
Critical point | 424 K (151 °C), 8310000 Pa |
Std enthalpy change of fusion, ΔfusH |
? kJ/mol |
Std entropy change of fusion, ΔfusS |
? J/(mol·K) |
Std enthalpy change of vaporization, ΔvapH |
19.76 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 |
? J/(mol K) |
Heat capacity, cp | ? J/(mol K) |
Gas properties | |
Std enthalpy change of formation, ΔfH |
26.5 kJ/mol |
Standard molar entropy, S |
206.6 J/(mol K) |
Heat capacity, cp | 29.2 J/(mol K) |
Spectral data edit
UV-Vis | |
---|---|
λmax | ? nm |
Extinction coefficient, ε | ? |
IR | |
Major absorption bands | ? 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.