- InChI
- InChI=1S/Cr
- InChI Key
- VYZAMTAEIAYCRO-UHFFFAOYSA-N
- Formula
- Cr
- SMILES
- [Cr]
- Molecular Weight1
- 52.00
- CAS
- 7440-47-3
- Other Names
-
- chromium element
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- EA : Electron affinity (eV).
- ΔvapH : Enthalpy of vaporization at a given temperature (kJ/mol).
- IE : Ionization energy (eV).
- Pvap : Vapor pressure (kPa).
- 1: Molecular weight from the IUPAC atomic weights tables.
Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| PAff | 791.30 | kJ/mol | NIST |
| BasG | 768.40 | kJ/mol | NIST |
| EA | [0.67; 0.68] | eV |
|
| EA | 0.68 ± 0.00 | eV | NIST |
| EA | 0.68 ± 0.00 | eV | NIST |
| EA | 0.67 ± 0.01 | eV | NIST |
| EA | 0.68 ± 0.05 | eV | NIST |
| IE | [6.76; 7.00] | eV |
|
| IE | 6.77 ± 0.00 | eV | NIST |
| IE | 6.77 | eV | NIST |
| IE | 6.77 ± 0.00 | eV | NIST |
| IE | Outlier 7.00 ± 0.50 | eV | NIST |
| IE | 6.76 | eV | NIST |
| IE | 6.77 | eV | NIST |
Cheméo can also estimate Normal Boiling Point Temperature, Normal melting (fusion) point, Critical Temperature, Critical Pressure, Critical Volume, Enthalpy of formation at standard conditions, Enthalpy of vaporization at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ΔvapH | 371.40 | kJ/mol | 298.00 | Thermodynamic activity measurements in nickel-base industrial alloys and steels by Knudsen cell Mass spectrometry |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.00e-03; 101.32] | kPa | [1656.15; 2944.15] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.75272e+01 | |||
| Coefficient B | -3.52478e+04 | |||
| Coefficient C | -2.13640e+02 | |||
| Temperature range, min. | 1656.15 | |||
| Temperature range, max. | 2944.15 | |||
| Pvap | 1.00e-03 | kPa | 1656.15 | Calculated Property |
| Pvap | 9.07e-03 | kPa | 1799.26 | Calculated Property |
| Pvap | 0.06 | kPa | 1942.37 | Calculated Property |
| Pvap | 0.27 | kPa | 2085.48 | Calculated Property |
| Pvap | 1.03 | kPa | 2228.59 | Calculated Property |
| Pvap | 3.30 | kPa | 2371.71 | Calculated Property |
| Pvap | 9.11 | kPa | 2514.82 | Calculated Property |
| Pvap | 22.35 | kPa | 2657.93 | Calculated Property |
| Pvap | 49.62 | kPa | 2801.04 | Calculated Property |
| Pvap | 101.32 | kPa | 2944.15 | Calculated Property |
Sources
- Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
- Thermodynamic activity measurements in nickel-base industrial alloys and steels by Knudsen cell Mass spectrometry
- Low-temperature Heat Capacity and the Standard Molar Enthalpy of Formation of Compound Chromium(III) Tri(2-Pyrazinecarboxylate)
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more.
Take the time to validate and double check the source of the data.
Outlier This icon means
that the value is more than 2 standard deviations away from the
property mean.
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