Triuranium heptaoxide | SSHADE

Solid phase

Official name: Triuranium heptaoxide

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

Chemical composition

Formula: $U_3O_7$
Chemical formula: U3O7
Elemental formula: U3 O7
Isotope mixture type: terrestrial abundance

20.0

	Formula	Name	Family	Number min-max	Mole fraction	Isotope mole fraction	State	Relevance
	$U$	Uranium	element	3	0.3	1	constituent element	main
	$O$	Oxygen	element	7	0.7	1	constituent element	main

Chemical functions and bonds

Chemical bonds

	Bond	Number
	$\geq >U-O-$

Class: tridimensional covalent networks (11)
Type: two non-metal (or one metalloid and one non-metal) atoms tridimensional networks (Ceramics) (11.03)

Crystallography

Phase type: crystalline
Crystal system: tetragonal
Crystal class: dipyramidal
Crystal class symbol: 4/m (C4h)
Crystal spacegroup: P4(2)/n

Physical properties

Molar mass: 826.082 $g/mol$

Thermodynamical properties

State NTP: solid

Optical properties

Refringence type: uniaxial