- 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.
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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 |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ΔvapH | 371.40 | kJ/mol | 298.00 | Thermod... |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.00e-03; 101.32] | kPa | [1656.15; 2944.15] |
The Yaw...
|
| 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
- 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
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Outlier This icon means
that the value is more than 2 standard deviations away from the
property mean.