Iridioa

Iridioa (Ir)

77 zenbaki atomikoa duen elementu kimikoa
Atomic Number77
Atomic Weight192.217
masa-zenbaki193
Group9
Period6
Blockd
protoi77 p+
neutroi116 n0
elektroi77 e-
Animated Bohrren eredu atomikoa of Ir (Iridioa)

Propietate Fisiko

Erradio Atomiko
135 pm
bolumen molar
Erradio Kobalente
122 pm
Metallic Radius
127 pm
Erradio ioniko
68 pm
Crystal Radius
82 pm
Van der Waalsen erradio
213 pm
dentsitatea
22,5622 g/cm³
Atomic Radii Of The Elements: Iridioa0102030405060708090100110120130140150160170180190200210220pmErradio AtomikoErradio KobalenteMetallic RadiusVan der Waalsen erradio

Magnitude Fisiko

energia
proton affinity
Afinitate elektroniko
ionizazio energia
8,96702 eV/particle
ionizazio energia of Ir (Iridioa)
Irakite-entalpia
604 kJ/mol
urtze-entalpia
27,61 kJ/mol
formazio entalpia estandarra
669 kJ/mol
elektroi
elektroi geruza2, 8, 18, 32, 15, 2
Bohrren eredu atomikoa: Ir (Iridioa)
balentzia-elektroi2
Lewis egitura: Ir (Iridioa)
electron configuration[Xe] 4f14 5d7 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f14 5d7 6s2
Enhanced Bohrren eredu atomikoa of Ir (Iridioa)
Orbital Diagram of Ir (Iridioa)
Oxidazio-egoera-3, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
Elektronegatibotasun
2.2
Electrophilicity Index
1,872465121129725 eV/particle
materiaren funtsezko egoera
materiaren egoeraSolid
materiaren egoera gaseoso
Boiling Point
4.701,15 K
Melting Point
2.719,15 K
critical pressure
critical temperature
Puntu hirukoitz
appearance
kolore
Silver
appearancesilvery white
errefrakzio-indize
thermodynamic material property
Thermal Conductivity
Bero-dilatazio
0,0000064 1/K
molar heat capacity
Specific Heat Capacity
0,131 J/(g⋅K)
indize adiabatiko
electrical properties
typeConductor
Eroankortasun elektriko
21 MS/m
Erresistibitate elektriko
0,00000004699999999998 m Ω
Supereroankortasun
0,11 K
Magnetismo
typeparamagnetic
suszeptibilitate magnetiko (Mass)
0,00000000167 m³/Kg
suszeptibilitate magnetiko (Molar)
0,000000000321 m³/mol
suszeptibilitate magnetiko (Volume)
0,0000377
magnetic ordering
Curieren tenperatura
Néel temperature
egitura
Crystal StructureFace Centered Cubic (FCC)
lattice constant
3,84 Å
Lattice Anglesπ/2, π/2, π/2
materialen propietate mekaniko
Gogortasun
6,5 MPa
konprimagarritasun-modulu
320 GPa
Zizaila modulua
210 GPa
Youngen modulu
528 GPa
Poissonen modulu
0,26
Soinuaren lastertasun
4.825 m/s
classification
CategoryTransition metals, Transition metals
CAS GroupVIIIA
IUPAC GroupVIII
Glawe Number62
Mendeleev Number65
Pettifor Number65
Geochemical Classnoble metal
Goldschmidt classificationsiderophile

beste batzuk

Gas Basicity
polarizability
54 ± 7 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
425
Neutron Mass Absorption
0,081
zenbaki kuantiko4F9/2
talde espazial225 (Fm_3m)

Isotopes of Iridium

Stable Isotopes2
Unstable Isotopes41
Natural Isotopes2
Isotopic Composition19362.70%19362.70%19137.30%19137.30%

163Ir

masa-zenbaki163
neutron number86
atomo-masa erlatibo
162,994299 ± 0,000429 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data
parity+

decay modeintensity
p (proton emission)

164Ir

masa-zenbaki164
neutron number87
atomo-masa erlatibo
163,991966 ± 0,000339 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin2
nuclear quadrupole moment
aurkikuntza-data
parity-

decay modeintensity
p (proton emission)
α (α emission)
β+ (β+ decay; β+ = ϵ + e+)

165Ir

masa-zenbaki165
neutron number88
atomo-masa erlatibo
164,987552 ± 0,00017 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data
parity+

decay modeintensity
p (proton emission)
α (α emission)

166Ir

masa-zenbaki166
neutron number89
atomo-masa erlatibo
165,985716 ± 0,000215 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
10,5 ± 2,2 ms
spin2
nuclear quadrupole moment
aurkikuntza-data1981
parity

decay modeintensity
α (α emission)93%
p (proton emission)7%

167Ir

masa-zenbaki167
neutron number90
atomo-masa erlatibo
166,981671973 ± 0,000019694 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
29,3 ± 0,6 ms
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1981
parity+

decay modeintensity
α (α emission)43.5%
p (proton emission)38.6%
β+ (β+ decay; β+ = ϵ + e+)

168Ir

masa-zenbaki168
neutron number91
atomo-masa erlatibo
167,979960978 ± 0,000059277 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
230 ± 50 ms
spin2
nuclear quadrupole moment
aurkikuntza-data1978
parity

decay modeintensity
α (α emission)100%
β+ (β+ decay; β+ = ϵ + e+)
β+ p (β+-delayed proton emission)

169Ir

masa-zenbaki169
neutron number92
atomo-masa erlatibo
168,976281743 ± 0,00002502 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
353 ± 4 ms
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1978
parity+

decay modeintensity
α (α emission)53%
β+ (β+ decay; β+ = ϵ + e+)

170Ir

masa-zenbaki170
neutron number93
atomo-masa erlatibo
169,975113 ± 0,000109 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
910 ± 150 ms
spin3
nuclear quadrupole moment
aurkikuntza-data1977
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)5.2%

171Ir

masa-zenbaki171
neutron number94
atomo-masa erlatibo
170,97164552 ± 0,000041295 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
3,1 ± 0,3 s
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1967
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)15%

172Ir

masa-zenbaki172
neutron number95
atomo-masa erlatibo
171,970607035 ± 0,000034785 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
4,4 ± 0,3 s
spin3
nuclear quadrupole moment
aurkikuntza-data1967
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)98%
α (α emission)2%

173Ir

masa-zenbaki173
neutron number96
atomo-masa erlatibo
172,967505477 ± 0,000011316 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
9 ± 0,8 s
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1967
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)96.5%
α (α emission)3.5%

174Ir

masa-zenbaki174
neutron number97
atomo-masa erlatibo
173,966949939 ± 0,000012046 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
7,9 ± 0,6 s
spin2
nuclear quadrupole moment
aurkikuntza-data1967
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)99.5%
α (α emission)0.5%

175Ir

masa-zenbaki175
neutron number98
atomo-masa erlatibo
174,964149519 ± 0,000013295 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
9 ± 2 s
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1967
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)99.15%
α (α emission)0.85%

176Ir

masa-zenbaki176
neutron number99
atomo-masa erlatibo
175,963626261 ± 0,000008679 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
8,7 ± 0,5 s
spin3
nuclear quadrupole moment
aurkikuntza-data1967
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)96.9%
α (α emission)3.1%

177Ir

masa-zenbaki177
neutron number100
atomo-masa erlatibo
176,9613015 ± 0,000021213 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
29,8 ± 1,7 s
spin5/2
nuclear quadrupole moment
aurkikuntza-data1967
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)0.06%

178Ir

masa-zenbaki178
neutron number101
atomo-masa erlatibo
177,961079395 ± 0,000020204 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
12 ± 2 s
spin3
nuclear quadrupole moment
aurkikuntza-data1972
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

179Ir

masa-zenbaki179
neutron number102
atomo-masa erlatibo
178,959117594 ± 0,000010489 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
79 ± 1 s
spin5/2
nuclear quadrupole moment
aurkikuntza-data1992
parity

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

180Ir

masa-zenbaki180
neutron number103
atomo-masa erlatibo
179,959229446 ± 0,000023302 Da
g-factor
0,5 ± 0,04
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,5 ± 0,1 m
spin5
nuclear quadrupole moment
aurkikuntza-data1972
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

181Ir

masa-zenbaki181
neutron number104
atomo-masa erlatibo
180,957634691 ± 0,000005631 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
4,9 ± 0,15 m
spin5/2
nuclear quadrupole moment
aurkikuntza-data1972
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

182Ir

masa-zenbaki182
neutron number105
atomo-masa erlatibo
181,958076296 ± 0,000022509 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
15 ± 1 m
spin3
nuclear quadrupole moment
aurkikuntza-data1961
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

183Ir

masa-zenbaki183
neutron number106
atomo-masa erlatibo
182,956841231 ± 0,000026486 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
58 ± 5 m
spin5/2
nuclear quadrupole moment
aurkikuntza-data1961
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)

184Ir

masa-zenbaki184
neutron number107
atomo-masa erlatibo
183,957476 ± 0,00003 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
3,09 ± 0,03 h
spin5
nuclear quadrupole moment
2,41 ± 0,03
aurkikuntza-data1960
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

185Ir

masa-zenbaki185
neutron number108
atomo-masa erlatibo
184,956698 ± 0,00003 Da
g-factor
1,0384 ± 0,0052
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
14,4 ± 0,1 h
spin5/2
nuclear quadrupole moment
aurkikuntza-data1958
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

186Ir

masa-zenbaki186
neutron number109
atomo-masa erlatibo
185,957946754 ± 0,00001774 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
16,64 ± 0,03 h
spin5
nuclear quadrupole moment
−2,55 ± 0,03
aurkikuntza-data1958
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

187Ir

masa-zenbaki187
neutron number110
atomo-masa erlatibo
186,957542 ± 0,00003 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
10,5 ± 0,3 h
spin3/2
nuclear quadrupole moment
0,941 ± 0,011
aurkikuntza-data1958
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

188Ir

masa-zenbaki188
neutron number111
atomo-masa erlatibo
187,958834999 ± 0,000010116 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
41,5 ± 0,5 h
spin1
nuclear quadrupole moment
0,484 ± 0,006
aurkikuntza-data1950
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

189Ir

masa-zenbaki189
neutron number112
atomo-masa erlatibo
188,958722602 ± 0,0000135 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
13,2 ± 0,1 d
spin3/2
nuclear quadrupole moment
aurkikuntza-data1955
parity+

decay modeintensity
ϵ (electron capture)100%

190Ir

masa-zenbaki190
neutron number113
atomo-masa erlatibo
189,960543374 ± 0,00000147 Da
g-factor
0,01 ± 0,0025
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
11,78 ± 0,1 d
spin4
nuclear quadrupole moment
2,87 ± 0,16
aurkikuntza-data1947
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
e+ (positron emission)0.002%

191Ir

masa-zenbaki191
neutron number114
atomo-masa erlatibo
190,960591455 ± 0,000001406 Da
g-factor
0,10013333333333 ± 0,0004
natural abundance
37,3 ± 0,2
desintegrazio erradioaktiboisotopo egonkor
Semidesintegrazio-periodoNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
0,816 ± 0,009
aurkikuntza-data1935
parity+

192Ir

masa-zenbaki192
neutron number115
atomo-masa erlatibo
191,962602414 ± 0,00000141 Da
g-factor
0,47925 ± 0,0025
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
73,82 ± 0,014 d
spin4
nuclear quadrupole moment
2,15 ± 0,06
aurkikuntza-data1937
parity+

decay modeintensity
β (β decay)95.24%
ϵ (electron capture)4.76%

193Ir

masa-zenbaki193
neutron number116
atomo-masa erlatibo
192,962923753 ± 0,000001425 Da
g-factor
0,10866666666667 ± 0,0004
natural abundance
62,7 ± 0,2
desintegrazio erradioaktiboisotopo egonkor
Semidesintegrazio-periodoNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
0,751 ± 0,009
aurkikuntza-data1935
parity+

194Ir

masa-zenbaki194
neutron number117
atomo-masa erlatibo
193,965075703 ± 0,000001429 Da
g-factor
0,39 ± 0,01
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
19,35 ± 0,07 h
spin1
nuclear quadrupole moment
0,339 ± 0,012
aurkikuntza-data1937
parity-

decay modeintensity
β (β decay)100%

195Ir

masa-zenbaki195
neutron number118
atomo-masa erlatibo
194,965976898 ± 0,000001431 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
2,29 ± 0,17 h
spin3/2
nuclear quadrupole moment
aurkikuntza-data1952
parity+

decay modeintensity
β (β decay)100%

196Ir

masa-zenbaki196
neutron number119
atomo-masa erlatibo
195,968399669 ± 0,000041239 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
52 ± 1,1 s
spin1
nuclear quadrupole moment
aurkikuntza-data1966
parity

decay modeintensity
β (β decay)100%

197Ir

masa-zenbaki197
neutron number120
atomo-masa erlatibo
196,969657217 ± 0,000021588 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
5,8 ± 0,5 m
spin3/2
nuclear quadrupole moment
aurkikuntza-data1952
parity+

decay modeintensity
β (β decay)100%

198Ir

masa-zenbaki198
neutron number121
atomo-masa erlatibo
197,972399 ± 0,000215 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
8,7 ± 0,4 s
spin1
nuclear quadrupole moment
aurkikuntza-data1973
parity-

decay modeintensity
β (β decay)100%

199Ir

masa-zenbaki199
neutron number122
atomo-masa erlatibo
198,973807097 ± 0,000044073 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
7 ± 5 s
spin3/2
nuclear quadrupole moment
aurkikuntza-data1993
parity+

decay modeintensity
β (β decay)100%

200Ir

masa-zenbaki200
neutron number123
atomo-masa erlatibo
199,976844 ± 0,00021 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
43 ± 6 s
spin2
nuclear quadrupole moment
aurkikuntza-data2008
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)

201Ir

masa-zenbaki201
neutron number124
atomo-masa erlatibo
200,978701 ± 0,000215 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
21 ± 5 s
spin3/2
nuclear quadrupole moment
aurkikuntza-data2008
parity+

decay modeintensity
β (β decay)100%

202Ir

masa-zenbaki202
neutron number125
atomo-masa erlatibo
201,982136 ± 0,000322 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
11 ± 3 s
spin2
nuclear quadrupole moment
aurkikuntza-data2008
parity-

decay modeintensity
β (β decay)100%

203Ir

masa-zenbaki203
neutron number126
atomo-masa erlatibo
202,984573 ± 0,000429 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin3/2
nuclear quadrupole moment
aurkikuntza-data2009
parity+

decay modeintensity
β (β decay)

204Ir

masa-zenbaki204
neutron number127
atomo-masa erlatibo
203,989726 ± 0,000429 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin
nuclear quadrupole moment
aurkikuntza-data2011
parity

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)

205Ir

masa-zenbaki205
neutron number128
atomo-masa erlatibo
204,993988 ± 0,000537 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin3/2
nuclear quadrupole moment
aurkikuntza-data2012
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
Iridium foil

historia

aurkitzailea edo asmatzaileaS.Tenant, A.F.Fourcory, L.N.Vauquelin, H.V.Collet-Descoltils
aurkikuntzaren lekuaEngland/France
aurkikuntza-data1804
etimologiaLatin: iris (rainbow).
pronunciationi-RID-i-em (ingelesa)

source

Abundance
Abundance in Earth's crust
0,001 mg/kg
natural abundance (ozeano)
natural abundance (gizakiaren gorputza)
natural abundance (Meteoroide)
0,000054 %
natural abundance (Eguzkia)
0,0000002 %
Abundance in Universe
0,0000002 %

Nuclear Screening Constants

1s1.4881
2p4.4624
2s20.1102
3d13.514
3p21.9311
3s22.7942
4d37.2628
4f38.6552
4p35.086
4s34.152
5d58.304
5p53.339
5s51.1545
6s66.4334