Constituent
Name
Ammonium bicarbonate
Official name
Ammonium bicarbonate
Family
ionic solid
Class
acid salt
Compound type
carbonate
Relevance
main - major
Arrangement
single phase
Mass
0.243 $\pm$ 0.002 $g$
Mass fraction
1.0
Mole fraction
1.0
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
  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
Crystal system
orthorhombic
Crystal class
dipyramidal
Crystal class symbol
mmm (D2h)
Crystal spacegroup
Pccn
Texture
monocrystalline
Molar mass
79.056 $g/mol$
Density
1.573 - 1.586 $g/cm^3$
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