Constituent
Name
amorphous water ice
Official name
Low density amorphous water ice
Family
molecular solid
Class
hydrogen bonded molecular solid
Compound type
inorganic molecular solid
Comments
the density of the initial water ice film has not been determined
Constituent abundance in material
Relevance
main - major
Arrangement
single phase
Mass fraction
1.0
Mole fraction
1.0 $\pm$ 0.0001
Abundance comments
potentially some remaining CO2, O2 and N2 in very low, but unestimated, abundances]
Chemical composition
Formula
$H_2O$
Chemical formula
H2O
Elemental formula
H2 O
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$H_2O$ Water molecule 1 1.0 1.0 pure main
Chemical functions
  Function Number Relevance
$R-OH$ 2 main
Chemical bonds
  Bond Number Relevance
$-O \dots H-$ 4
$-O-H$ 2 main
Class
molecular solids with hydrogen bonded molecules (03)
Type
homomolecular H-bonded solids (03.01)
Group
H2O polymorphs (03.01.01)
Phase name
LDA water ice
Phase type
amorphous
Crystal system
amorphous
Crystal class
N/A
Comments
no non-hydrogen-bonded water molecules, except dangling bonds
Texture
amorphous
Molar mass
18.0153 $g/mol$
Density
0.94 $g/cm^3$
Refringence type
isotropic
Refringence sign
no
Birefringence
0
Color
colorless
Diaphaneity
transparent
Luster
vitreous