Chemical Properties of Cyclic octaatomic sulfur (CAS 10544-50-0)

Cyclic octaatomic sulfur

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InChI
InChI=1S/S8/c1-2-4-6-8-7-5-3-1
InChI Key
JLQNHALFVCURHW-UHFFFAOYSA-N
Formula
S8
SMILES
S1SSSSSSS1
Molecular Weight1
256.52
CAS
10544-50-0
Other Names
  • Cyclooctasulphur
  • Octasulfur
  • Octathiocane
  • Orthorhombic sulfur
  • S8
  • Sulfur
  • Sulfur (S8)
  • Sulfur molecule (S8)
  • Sulfur octamer
  • Sulfur, mol. (S8)
  • cyclooctasulfur
  • sulfur, octatomic
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Physical Properties

Property Value Unit Source
EA 3.59 ± 0.05 eV NIST
Δf 275.96 kJ/mol Joback Calculated Property
Δfgas 381.09 kJ/mol Joback Calculated Property
Δfus 11.58 kJ/mol Joback Calculated Property
Δvap 63.17 kJ/mol Joback Calculated Property
IE [7.30; 9.60] eV Show Hide
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
log10WS -6.71 Crippen Calculated Property
logPoct/wat 5.186 Crippen Calculated Property
McVol 130.800 ml/mol McGowan Calculated Property
Pc 10454.96 kPa Joback Calculated Property
Inp [342.96; 2083.20]   Show Hide
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
Tboil 614.80 K Joback Calculated Property
Tc 1027.34 K Joback Calculated Property
Tfus 761.94 K Joback Calculated Property
Vc 0.322 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [193.05; 212.49] J/mol×K [614.80; 1027.34] Show Hide
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

Hexathiane. Pentasulfide, dimethyl. Sulfur chloride. Tetrasulfide, dimethyl. Hexathiepane. Bis(trifluoromethyl)tetrasulfane. Sulfur monochloride. 1,2,3,4,5-Pentathiane. Dibromomethyl radical. Trisulfide, bis(trifluoromethyl). Disulfide, bis(trifluoromethyl). Bromotrifluoromethane. Fluoroform. Methane-d tribromo-. Methane, tribromo-.

Find more compounds similar to Cyclic octaatomic sulfur.

Mixtures

Sources

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Outlier This icon means that the value is more than 2 standard deviations away from the property mean.