Solid phase
Official name
Molybdenum oxysulfide
Family
covalent network solid
Class
tridimentional covalent network solid
Compound type
sulfide
Comments
see Ryaboshapka and Afanasiev (2023) Journal of Catalysis 426, 30.
Formula
MoOS2
Chemical formula
MoOS2
Elemental formula
Mo O S2
Isotope mixture type
terrestrial abundance
8.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
Mo Molybdenum element 1 0.25 1 constituent element main
O Oxygen element 1 0.25 1 constituent element main
S Sulfur element 2 0.5 1 constituent element main
Chemical bonds
  Bond Number
>∣Mo=O 1
≥∣MoS 4
Class
glasses (12)
Type
multi mixed atoms glasses (12.06)
Phase name
amorphous MoOS2
Phase type
amorphous
Crystal system
amorphous
Crystal class
N/A
Comments
amorphous MoOS2 is a Mo(V) compound, containing Mo2O2S4 units connected via disulfide bridges
Molar mass
176.1 g/mol
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid decomposition MoO2, MoS_2$ solids above ~150°C
Refringence type
isotropic
Pure color
brown
Color
dark brown
Diaphaneity
subtranslucent to opaque