Constituent 3NaWO4.9WO3.H2O | SSHADE

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Constituent

Name: 3NaWO4.9WO3.H2O
Official name: Sodium metatungstate

Family: ionic solid
Class: normal salt
Compound type: tungstate

Constituent abundance in material

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

Chemical composition

Formula: $Na^+_6 \cdot (H_2W_{12}O_{40}^{6-}
Chemical formula: Na6.[H2W12O40]
Elemental formula: (Na+)6 W12 O36 (O-)6 H2
Isotope mixture type: terrestrial abundance

	Formula	Name	Family	Number min-max	Mole fraction	Isotope mole fraction	State	Relevance
	$Na^+$	Sodium cation	element	6	0.0967741935483871	1	constituent anion	main
	$W$	Tungsten	element	12	0.1935483870967742	1	constituent element	main
	$O$	Oxygen	element	36	0.5806451612903226	1	constituent element	main
	$O^-$	Oxide anion	element	6	0.0967741935483871	1	constituent anion	main
	$H$	Hydrogen	element	2	0.03225806451612903	1	constituent element	main

Composition comments: The salt contains the cage protonated anion (H_2W_{12}O_{40}^{6-}

Chemical functions and bonds

Chemical bonds

	Bond	Number
	$Na^+ \cdot O^{-}-$	6
	$\geq\mid W-O$	66
	$\geq\mid W-O^-$	6
	$-O-H$	2

Class: normal salts (07)
Type: simple normal salts (07.01)

Phase type: crystalline

Crystallography

Crystal system: unknown

Texture: polycrystalline

Physical properties

Molar mass: 2986.01 $g/mol$

Optical properties

Color: white