Constituent αBi2O3 - Bismite | SSHADE

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Constituent

Name: αBi2O3 - Bismite
Official name: alpha-Bismuth trioxide

Family: covalent network solid
Class: sheet covalent network solid
Compound type: oxide

Constituent abundance in material

Relevance: main - major
Arrangement: single phase
Mass fraction: 1.0
Mole fraction: 1.0

Chemical composition

Formula: $Bi_2O_3$
Chemical formula: Bi2O3
Elemental formula: Bi2 O3
Isotope mixture type: terrestrial abundance

	Formula	Name	Family	Number min-max	Mole fraction	Isotope mole fraction	State	Relevance
	$Bi$	Bismuth	element	2	0.4	1	constituent element	main
	$O$	Oxygen	element	3	0.6	1	constituent element	main

Chemical functions and bonds

Chemical bonds

	Bond	Number
	$>Bi-O-$	6

Class: sheet covalent networks (10)
Type: one metal and one non-metal atoms sheet networks (10.04)

Phase name: alpha-Bi2O3
Phase type: crystalline

Crystallography

Crystal system: monoclinic
Crystal class: prismatic
Crystal class symbol: 2/m (C2h)
Crystal spacegroup: P2(1)/c

Texture: polycrystalline

Physical properties

Molar mass: 465.958 $g/mol$
Density: 8.90 $g/cm^3$

Optical properties

Refringence type: uniaxial
Refringence sign: negative
Birefringence: 0.180
Refraction index $n_{\alpha}$: 2.00
Refraction index $n_{\beta}$: 1.82
Color: yellow
Diaphaneity: transparent to translucent
Luster: adamantine