- InChI
- InChI=1S/S8/c1-2-4-6-8-7-5-3-1
- InChI Key
- JLQNHALFVCURHW-UHFFFAOYSA-N
- Formula
- S8
- SMILES
- S1SSSSSSS1
- Molecular Weight1
- 256.54
- Other Names
-
- Cyclooctasulphur
- Octasulfur
- Octathiocane
- Orthorhombic sulfur
- S8
- Sulfur
- Sulfur (S8)
- Sulfur molecule (S8)
- Sulfur octamer
- cyclooctasulfur
- sulfur, octatomic
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- EA : Electron affinity (eV).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- IE : Ionization energy (eV).
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Inp : Non-polar retention indices.
- 1: Molecular weight from the IUPAC atomic weights tables.
Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| EA | 3.59 ± 0.05 | eV | NIST |
| ΔfusH° | 11.58 | kJ/mol | Joback Calculated Property |
| IE | [7.30; 9.60] | eV |
|
| IE | 9.30 ± 0.20 | eV | NIST |
| IE | 9.04 ± 0.03 | eV | NIST |
| IE | 9.60 ± 0.20 | eV | NIST |
| IE | Outlier 7.30 ± 0.30 | eV | NIST |
| IE | 9.40 | eV | NIST |
| IE | 9.23 | eV | NIST |
| logPoct/wat | 5.186 | Crippen Calculated Property | |
| McVol | 130.800 | ml/mol | McGowan Calculated Property |
| Inp | [342.96; 2083.20] |
|
|
| Inp | 2083.20 | NIST | |
| Inp | 1998.00 | NIST | |
| Inp | 2004.00 | NIST | |
| Inp | 2055.00 | NIST | |
| Inp | 342.96 | NIST | |
| Inp | 1998.00 | NIST | |
| Inp | 342.96 | 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 |
|---|---|---|---|---|
| Cp,gas | [193.05; 212.49] | J/mol×K | [614.80; 1027.34] |
|
| Cp,gas | 193.05 | J/mol×K | 614.80 | Joback Calculated Property |
| Cp,gas | 198.25 | J/mol×K | 683.56 | Joback Calculated Property |
| Cp,gas | 202.57 | J/mol×K | 752.31 | Joback Calculated Property |
| Cp,gas | 206.08 | J/mol×K | 821.07 | Joback Calculated Property |
| Cp,gas | 208.85 | J/mol×K | 889.83 | Joback Calculated Property |
| Cp,gas | 210.97 | J/mol×K | 958.59 | Joback Calculated Property |
| Cp,gas | 212.49 | J/mol×K | 1027.34 | Joback Calculated Property |
Similar Compounds
Find more compounds similar to Sulfur, mol. (S8).
Mixtures
- Toluene + Sulfur, mol. (S8)
- Sulfur, mol. (S8) + Benzene, ethyl-
- Sulfur, mol. (S8) + Naphthalene, 1,2,3,4-tetrahydro-
- Styrene + Sulfur, mol. (S8)
- Sulfur, mol. (S8) + Benzene, chloro-
- Benzene + Sulfur, mol. (S8)
- Sulfur, mol. (S8) + Cyclohexene
- Sulfur, mol. (S8) + Cyclohexane
- n-Hexane + Sulfur, mol. (S8)
- Benzene, 1,2-dichloro- + Sulfur, mol. (S8) + Benzene, chloro-
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.
- Crippen Method
- Crippen Method
- Solubility of elemental sulfur in pure organic solvents and organic solvent-ionic liquid mixtures from 293.15 to 353.15 K
- Measurement and Correlation of the Solubilities of Sulfur S8 in 10 Solvents
- Solubility of Elemental Sulfur in Toluene between (267.15 and 313.15) K under Atmospheric Pressure
- Joback Method
- McGowan Method
- NIST Webbook
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.