Constituent
Name
SO in Ar matrix
Official name
solid alpha Argon
Family
covalent network solid
Class
tridimentional covalent network solid
Compound type
elemental solid
Formula
(SO)_x:Ar
Chemical formula
(SO)x:Ar
Elemental formula
Ar (S)0.00001-0.01 (O)0.00001-0.01
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
Ar Argon element 1 0.99502 1 pure main
SO Sulfur monoxide molecule 1e-05 - 0.01 0.00498±0.00497 1 monomers main
Composition comments
SO diluted at low concentration (< 1%) in Ar matrix
Chemical bonds
  Bond Number Relevance
S=O 1 main
Class
molecular solids with apolar molecules (01)
Type
with monoatomic apolar molecules (A) (01.01)
Phase name
α-phase
Phase type
crystalline
Crystal system
isometric (cubic)
Crystal class
hexoctahedral
Crystal class symbol
m-3m (Oh)
Crystal spacegroup
Fm-3m
Molar mass
39.948 g/mol
Density
1.622 (83 K) - 1.77 (20K) ( g/cm3
Refringence type
isotropic
Refraction index nα
1.265 (83.8K) - 1.307 (20 K) @578 nm
Diaphaneity
transparent
Luster
vitreous