- InChI
- InChI=1S/N2O5/c3-1(4)7-2(5)6
- InChI Key
- ZWWCURLKEXEFQT-UHFFFAOYSA-N
- Formula
- N2O5
- SMILES
- O=[N+]([O-])O[N+](=O)[O-]
- Molecular Weight1
- 108.01
- CAS
- 10102-03-1
- Other Names
-
- dinitrogen pentoxide
- nitrogen oxide (N2O5)
- nitrogen pentoxide
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- IE : Ionization energy (eV).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Pc : Critical Pressure (kPa).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Vc : Critical Volume (m3/kmol).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ΔfG° | -84.78 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -197.07 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 19.67 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 51.19 | kJ/mol | Joback Calculated Property |
| IE | [11.40; 12.30] | eV |
|
| IE | 11.40 | eV | NIST |
| IE | 12.30 | eV | NIST |
| log10WS | -1.06 | Crippen Calculated Property | |
| logPoct/wat | -0.614 | Crippen Calculated Property | |
| McVol | 51.570 | ml/mol | McGowan Calculated Property |
| Pc | 6818.86 | kPa | Joback Calculated Property |
| Tboil | 525.50 | K | Joback Calculated Property |
| Tc | 780.03 | K | Joback Calculated Property |
| Tfus | 399.21 | K | Joback Calculated Property |
| Vc | 0.217 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [102.68; 122.13] | J/mol×K | [525.50; 780.03] |
|
| Cp,gas | 102.68 | J/mol×K | 525.50 | Joback Calculated Property |
| Cp,gas | 106.56 | J/mol×K | 567.92 | Joback Calculated Property |
| Cp,gas | 110.21 | J/mol×K | 610.34 | Joback Calculated Property |
| Cp,gas | 113.60 | J/mol×K | 652.76 | Joback Calculated Property |
| Cp,gas | 116.72 | J/mol×K | 695.18 | Joback Calculated Property |
| Cp,gas | 119.57 | J/mol×K | 737.61 | Joback Calculated Property |
| Cp,gas | 122.13 | J/mol×K | 780.03 | Joback Calculated Property |
Similar Compounds
Find more compounds similar to dinitrogen pentaoxide.
Mixtures
Sources
- Crippen Method
- Crippen Method
- Equilibrium Data for the N2O5 + HNO3+ N2O4 System at 258.2 K, 265.2 K, 273.2 K, and 281.2 K
- Joback Method
- McGowan Method
- NIST Webbook
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