Constituent
Name
H2O crystalline - phase Ih
Official name
Water ice Ih
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 $\pm$ 0.0001
Mole fraction
1.0
Chemical composition
Formula
$H_2O$
Chemical formula
H2O
Elemental formula
(H)1.99998-2 (O)0.99999-1
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$H_2O$ Water molecule 0.99999 - 1 0.999995 $\pm$ 4.999999999977245e-06 1.0 matrix main
$CO_2$ Carbon dioxide molecule 0 - 1e-05 5e-06 $\pm$ 5e-06 1.0 monomers impurity
Composition comments
impurity disolved in precursor liquid H2O - to be quantified
Chemical functions
  Function Number Relevance
$R-OH$ 2 main
Chemical bonds
  Bond Number Relevance
$-O \dots H-$ 4
$-O-H$ 2 main
$=C=O$ 2 impurity
Oxides
Formula $H_{2}O$
Mass fraction (%) 1.0
Class
molecular solids with hydrogen bonded molecules (03)
Type
homomolecular H-bonded solids (03.01)
Group
H2O polymorphs (03.01.01)
Code
03.01.01.01
Phase name
H2O Ih
Phase type
crystalline
Crystal system
hexagonal
Crystal class
dihexagonal-dipyramidal
Crystal class symbol
6/mmm (D6h)
Crystal spacegroup
P6(3)/mmc
Texture
monocrystalline
Molar mass
18.0153 $g/mol$
Density
0.917 (273 K) - 0.928 (90 K) $g/cm^3$
Refringence type
uniaxial
Refringence sign
unknown
Birefringence
0.01
Refraction index $n_{\alpha}$
1.31
Refraction index $n_{\beta}$
1.33
Color
light blue (when thick)
Diaphaneity
transparent
Luster
vitreous