Constituent Ammonium hydrogen phosphate (Phase delta) | SSHADE

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Constituent

Name: Ammonium hydrogen phosphate (Phase delta)
Official name: Diammonium hydrogen phosphate (phase delta)

Family: ionic solid
Class: acid salt
Compound type: phosphate

Constituent abundance in material

Relevance: main - major
Arrangement: single phase
Mass: 0.715 $\pm$ 0.005 $g$
Mass fraction: 1.0
Mole fraction: 1.0

Chemical composition

Formula: $(NH_4^+)_2 \cdot HPO_4^{2-}$
Chemical formula: (NH4)2HPO4
Elemental formula: (N+)2 H9 P 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
	$HPO_4^{2-}$	Hydrogen phosphate ion	molecule	1	0.3333333333333333	1	constituent anion	main

Chemical functions and bonds

Chemical functions

	Function	Number
	$H_4 >\mid N^+$	2

Chemical bonds

	Bond	Number	Relevance
	$>\mid N^+ \cdot O^{-}-$	1
	$-O \dots H-$	2
	$\geq N^+-H$	4	main
	$P=O$	1	main
	$=P-O^-$	2	main
	$=P-O-$	1	main
	$-O-H$	1	main

Class: acid salts (05)
Type: simple acid salts (05.01)

Phase name: Diammonium hydrogen phosphate-delta
Phase type: crystalline

Crystallography

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

Texture: monocrystalline

Physical properties

Molar mass: 115.109 $g/mol$

Optical properties

Color: colorless, white
Diaphaneity: transparent to translucent