Constituent H2O amorphous - phase Ia | SSHADE

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 and bonds

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

Crystallography

Crystal system: amorphous
Crystal class: N/A
Comments: no non-hydrogen-bonded water molecules, except dangling bonds

Physical properties

Molar mass: 18.0153 $g/mol$
Density: 0.94 $g/cm^3$

Optical properties

Refringence type: isotropic
Refringence sign: no
Birefringence: 0
Color: colorless
Diaphaneity: transparent
Luster: vitreous