Osmium

Properties of osmium atoms

Ionisation Energies and electron affinity

The electron affinity of osmium is 106.1  kJ mol^-1. The ionisation energies of osmium are given below.

Electronic configuration

The following represents the electronic configuration and its associated term symbol for the ground state neutral gaseous atom. The configuration associated with osmium in its compounds is not necessarily the same.

• Ground state electron configuration:  [Xe].4f¹⁴.5d⁶.6s²
• Shell structure:  2.8.18.32.14.2
• Term symbol:   ⁵D₄

A schematic representation of the shell structure of osmium - not what the atom of osmium "looks like".

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