Input interpretation
mercury(II) sulfide
Chemical names and formulas
formula | HgS name | mercury(II) sulfide IUPAC name | thioxomercury alternate names | cinnabar | mercuric sulfide | mercuric sulfide red | mercury sulfide | sulfanylidenemercury | thioxomercury | vermilion mass fractions | Hg (mercury) 86.2% | S (sulfur) 13.8%
Structure diagram
Structure diagram
| bond counts | 1 bond
vertex count | 2 edge count | 1 Schultz index | 4 Wiener index | 1 Hosoya index | 2 Balaban index | 1
Basic properties
molar mass | 232.65 g/mol phase | solid (at STP) melting point | 583.5 °C density | 8.1 g/cm^3 solubility in water | insoluble
Units
Solid properties (at STP)
density | 8.1 g/cm^3 vapor pressure | 0.0012 mmHg
Units
Thermodynamic properties
specific heat capacity c_p | solid | 0.208 J/(g K) molar heat capacity c_p | solid | 48.4 J/(mol K) specific free energy of formation Δ_fG° | solid | -0.2175 kJ/g molar free energy of formation Δ_fG° | solid | -50.6 kJ/mol specific heat of formation Δ_fH° | solid | -0.2502 kJ/g molar heat of formation Δ_fH° | solid | -58.2 kJ/mol (at STP)
Chemical identifiers
![CAS number | 1344-48-5 PubChem CID number | 62402 PubChem SID number | 24854620 SMILES identifier | S=[Hg] InChI identifier | InChI=1/Hg.S/rHgS/c1-2 RTECS number | OX0720000 MDL number | MFCD00011046](../image_source/22831462f3588e724035cf34ac3018a4.png)
CAS number | 1344-48-5 PubChem CID number | 62402 PubChem SID number | 24854620 SMILES identifier | S=[Hg] InChI identifier | InChI=1/Hg.S/rHgS/c1-2 RTECS number | OX0720000 MDL number | MFCD00011046
Toxicity properties
RTECS classes | other