Cadmium(II) nitrate tetrahydrate | SSHADE

Solid phase

Official name: Cadmium(II) nitrate tetrahydrate

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

Chemical composition

Formula: $Cd^{2+} \cdot (NO_3^-)_2 \bullet 4H_2O$
Chemical formula: Cd(NO3)2•4H2O
Elemental formula: (Cd2+) (N+)2 O6 (O-)4 H8
Isotope mixture type: terrestrial abundance

14.0

	Formula	Name	Family	Number min-max	Mole fraction	Isotope mole fraction	State	Relevance
	$Cd^{2+}$	Cadmium cation	element	1	0.14285714285714285	1	constituent cation	main
	$(NO_3)^-$	Nitrate anion	chemical function	2	0.2857142857142857	1	anionic radical	main
	$H_2O$	Water	molecule	4	0.5714285714285714	1	hydration	main

Composition comments: the most common Cd(NO3)2 hydrate is the tetrahydrate

Chemical functions and bonds

Chemical functions

	Function	Number
	$(NO_3)^-$	2
	$R-OH$	2

Chemical bonds

	Bond	Number
	$\cdot Cd^{2+} \cdot O^{-}-$	2
	$-O \dots H-$	8
	$-O-H$	2
	$\dddot - \dddot - N^+ \dddot - O^{-2/3}$	3

Class: normal salts (07)
Type: hydrated simple normal salts (07.04)

Crystallography

Phase type: crystalline
Crystal system: orthorhombic
Crystal class: pyramidal
Crystal class symbol: mm2 (C2v)
Crystal spacegroup: Fdd2

Physical properties

Molar mass: 308.48 $g/mol$
Density: 2.45 $g/cm^3$

Thermodynamical properties

State NTP

solid

Phase transitions

Phase transition type	Other phases	Temperature - Pressure
solid-liquid	liquid	59.5 °C (332.5 K)

Optical properties

Refringence type: biaxial
Pure color: colorless
Color: colorless, white
Diaphaneity: transparent to translucent
Luster: vitreous

Links and Publications

Links

Wikipedia: Cadmium nitrate