Solid phase
Official name
Lead(II) bromide
Secondary names
Lead dibromide; Lead bromide
CAS number
10031-22-8
Type
Family
ionic solid
Class
normal salt
Compound type
bromide
Chemical composition
Formula
$Pb^{2+} \cdot (Br^-)_2$
Chemical formula
PbBr2
Elemental formula
(Pb2+) (Br-)2
Isotope mixture type
terrestrial abundance
6.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Pb^{2+}$ Lead cation element 1 0.3333333333333333 1 constituent cation main
$Br^-$ Bromide anion element 2 0.6666666666666666 1 constituent anion main
Chemical bonds
  Bond Number
$\cdot Pb^{2+} \cdot Br^-$ 2
Class
normal salts (07)
Type
simple normal salts (07.01)
Phase type
crystalline
Crystal system
orthorhombic
Crystal class
dipyramidal
Crystal class symbol
mmm (D2h)
Crystal spacegroup
Pnma
Molar mass
367.01 $g/mol$
Density
6.66 (6.13 calculated) $g/cm^3$
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-liquid liquid 370.6°C (643.8K)
Refringence type
biaxial
Pure color
white
Color
white
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