Constituent Ammonium bicarbonate | SSHADE

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Constituent

Name: Ammonium bicarbonate
Official name: Ammonium bicarbonate

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

Constituent abundance in material

Relevance: main - major
Arrangement: single phase
Mass: 0.296 $\pm$ 0.002 $g$
Mass fraction: 1.0
Mole fraction: 1.0

Chemical composition

Formula: $(NH_4^+) \cdot HCO_3^-$
Chemical formula: (NH4)HCO3
Elemental formula: (N+) H5 C O2 (O-)
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
	$HOCOO^-$	Bicarbonate ion	molecule	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
	$>\mid N^+ \cdot O^{-}-$	1
	$-O \dots H-$	2
	$\geq N^+-H$	4	main
	$\eqslantgtr C-O-$	1	main
	$-O-H$	1	main
	$>C=O$	1	main
	$\eqslantgtr C-O^-$	1	main

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

Phase type: crystalline

Crystallography

Crystal system: orthorhombic
Crystal class: dipyramidal
Crystal class symbol: mmm (D2h)
Crystal spacegroup: Pccn

Texture: monocrystalline

Physical properties

Molar mass: 79.056 $g/mol$
Density: 1.573 - 1.586 $g/cm^3$

Optical properties

Refringence type: biaxial
Refringence sign: negative
Birefringence: 0.132
Refraction index $n_{\alpha}$: 1.422
Refraction index $n_{\beta}$: 1.536
Refraction index $n_{\gamma}$: 1.554
Dispersion V: weak
Color: colorless, white, light grey
Diaphaneity: transparent to translucent