Constituent Ammonium sulfate | SSHADE

Loading [MathJax]/jax/output/SVG/jax.js

Constituent

Name: Ammonium sulfate
Official name: Ammonium sulfate (phase PE)

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

Constituent abundance in material

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

Chemical composition

Formula: $(NH_4^+)_2 \cdot SO_4^{2-}$
Chemical formula: (NH4)2SO4
Elemental formula: (N+)2 H8 S O2 (O-)2
Isotope mixture type: terrestrial abundance

	Formula	Name	Family	Number min-max	Mole fraction	Isotope mole fraction	State	Relevance
	$NH_4^+$	Ammonium ion	molecule	2	0.6666666666666666	1	constituent cation	main
	$SO_4^{2-}$	Sulfate ion	molecule	1	0.3333333333333333	1	constituent anion	main

Chemical functions and bonds

Chemical functions

	Function	Number
	$H_4 >\mid N^+$	2
	$(SO_4)^{2-}$	1

Chemical bonds

	Bond	Number	Relevance
	$>\mid N^+ \cdot O^{-}-$	2
	$\geq N^+-H$	4	main
	$-\gg S-O^{-}$	2	main
	$\geqq S=O$	2	main
	$\dddot - \dddot - \dddot - S \dddot - O^{-1/2}$	4

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

Phase name: PE-Ammonium sulfate
Phase type: crystalline

Crystallography

Crystal system: orthorhombic
Crystal class: dipyramidal
Crystal class symbol: mmm (D2h)
Crystal spacegroup: Pnma
Comments: paraelectric phase

Physical properties

Molar mass: 132.14 $g/mol$
Density: 1.77 $g/cm^3$

Optical properties

Refringence type: biaxial
Refringence sign: positive
Birefringence: 0.013
Refraction index $n_{\alpha}$: 1.521
Refraction index $n_{\beta}$: 1.523
Refraction index $n_{\gamma}$: 1.533
Color: colorless, white
Diaphaneity: transparent to translucent