Constituent
Name
H2O amorphous - phase Ia
Official name
Low density amorphous water ice
Family
molecular solid
Class
hydrogen bonded molecular solid
Compound type
inorganic molecular solid
Constituent abundance in material
Relevance
main - major
Arrangement
single phase
Mass fraction
1.0
Mole fraction
1.0 $\pm$ 0.0001
Abundance comments
unknown impurities
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)
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
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