- InChI
- InChI=1S/Se8/c1-2-4-6-8-7-5-3-1
- InChI Key
- JWMKWLJGSKAGLH-UHFFFAOYSA-N
- Formula
- Se8
- SMILES
-
[Se]1[Se][Se][Se][Se][Se][Se][
Se]1 - Molecular Weight1
- 631.68
- CAS
- 12597-33-0
- Other Names
-
- Cyclooctaselenium
- ω : Acentric Factor.
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation 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.
- 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 |
|---|---|---|---|
| ω | 0.3327 | Relay (... Calculated Property | |
| ΔfG° | 98.58 | kJ/mol | Relay (... Calculated Property ⚠️ |
| ΔfH°gas | 413.91 | kJ/mol | Relay (... Calculated Property |
| ΔvapH° | 77.95 | kJ/mol | Relay (... Calculated Property |
| IE | [8.60; 8.97] | eV |
|
| IE | 8.97 ± 0.05 | eV | NIST |
| IE | 8.60 ± 0.20 | eV | NIST |
| log10WS | -2.90 | Relay (... Calculated Property | |
| logPoct/wat | -3.046 | Crippen Calculated Property | |
| Pc | 6292.35 | kPa | Relay (... Calculated Property ⚠️ |
| Tboil | 544.29 | K | Relay (... Calculated Property |
| Tc | 1191.41 | K | Relay (... Calculated Property |
| Tfus | 593.25 | K | Relay (... Calculated Property |
| Vc | 0.426 | m3/kmol | Relay (... Calculated Property |
Similar Compounds
Find more compounds similar to Octaselenium.
Sources
- Cheméo Relay (1.0)
- 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
- NIST Webbook
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