Constituent
- Name
- SO2 crystalline I
- Official name
- Sulfur dioxide phase I
- Family
- molecular solid
- Class
- polar molecular solid
- Compound type
- inorganic molecular solid
- Comments
- natural istopic composition, but possible fractionation
- Relevance
- main - major
- Arrangement
- single phase
- Mass fraction
- 1.0 $\pm$ 0.0001
- Mole fraction
- 1.0
- Abundance comments
- H2O and CO2 impurity in SO2 gas and adsorbed - to be quantified
- Formula
- $SO_2$
- Chemical formula
- SO2
- Elemental formula
- S O2
- Isotope mixture type
- terrestrial abundance
- Class
- molecular solids with polar molecules (02)
- Type
- with polyatomic inorganic polar molecules (02.02)
- Phase name
- Phase I
- Phase type
- crystalline
- Crystal system
- orthorhombic
- Crystal class
- pyramidal
- Crystal class symbol
- mm2 (C2v)
- Crystal spacegroup
- Aba2
- Texture
- polycrystalline
- Molar mass
- 64.0635971 $g/mol$
- Density
- 1.98 (77K) $g/cm^3$
- Refringence type
- biaxial
- Refraction index $n_{\alpha}$
- ~1.50
- Diaphaneity
- transparent
- Luster
- vitreous