Constituent Ammonium chloride | SSHADE

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Constituent

Name: Ammonium chloride
Official name: Ammonium chloride (beta-, phase II)

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

Constituent abundance in material

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

Chemical composition

Formula: $NH_4^+ \cdot Cl^-$
Chemical formula: NH4Cl
Elemental formula: (N+) H4 (Cl-)
Isotope mixture type: terrestrial abundance

	Formula	Name	Family	Number min-max	Mole fraction	Isotope mole fraction	State	Relevance
	$NH_4^+$	Ammonium ion	molecule	1	0.5	1	constituent cation	main
	$Cl^-$	Chloride anion	element	1	0.5	1	constituent anion	main

Chemical functions and bonds

Chemical functions

	Function	Number
	$H_4 >\mid N^+$	1

Chemical bonds

	Bond	Number	Relevance
	$>\mid N^+ \cdot Cl^{-}$	1
	$\geq N^+-H$	4	main

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

Phase name: beta-NH4Cl (phase II)
Phase type: crystalline

Crystallography

Crystal system: isometric (cubic)
Crystal class: hexoctahedral
Crystal class symbol: m-3m (Oh)
Crystal spacegroup: Pm-3m
Comments: disordered orientation of $NH_4^+$ : two possible $NH_4^+$ orientations (Fig. 1a) A and B which are randomly distributed

Physical properties

Molar mass: 53.49 $g/mol$
Density: 1.519 $g/cm^3$

Optical properties

Refringence type: isotropic
Refraction index $n_{\alpha}$: 1.642
Color: colorless, white
Diaphaneity: transparent to translucent