atomic_number: 77
symbol: Ir
name: Iridium
category: TransMetal
category_label: Transitional Metal
period: 6
group: 9
group_label: 9 VIIIB
block: d
grid_row: 6
grid_col: 9
phase: solid
lab_made: false
radioactive_marker: false
is_radioactive: false
atomic_mass: '192.217'
atomic_mass_value: 192.217
atomic_mass_most_stable_isotope: false
oxidation_states: 6 *4* 3 2 *1* 0 -1
oxidation_states_parsed:
- state: '6'
  common: false
- state: '4'
  common: true
- state: '3'
  common: false
- state: '2'
  common: false
- state: '1'
  common: true
- state: '0'
  common: false
- state: '-1'
  common: false
ionization_energy: '8.967'
ionization_energy_ev: 8.967
electron_configuration: '[Xe] 4f^{14}5d^{7}6s^{2}'
electron_configuration_formatted: '[Xe]4f¹⁴5d⁷6s²'
electron_configuration_html: '[Xe]4f<sup>14</sup>5d<sup>7</sup>6s<sup>2</sup>'
atomic_radius: '2.13'
atomic_radius_angstrom: 2.13
electron_affinity: '1.564'
electron_affinity_ev: 1.564
rsc_url: https://www.rsc.org/periodic-table/element/77/iridium