Iridium

Iridium (Ir)

chemical element with symbol Ir and atomic number 77
Atomic Number77
Atomic Weight192.217
Nombor jisim193
Group9
Period6
Blockd
proton77 p+
neutron116 n0
Elektron77 e-
Animated Model Bohr of Ir (Iridium)

Sifat Fizikal

Jejari Atom
135 pm
molar volume
Jejari kovalen
122 pm
Metallic Radius
127 pm
ionic radius
68 pm
Crystal Radius
82 pm
Jejari van der Waals
213 pm
ketumpatan
22.5622 g/cm³
Atomic Radii Of The Elements: Iridium0102030405060708090100110120130140150160170180190200210220pmJejari AtomJejari KovalenMetallic RadiusJejari van der Waals

Sifat Kimia

tenaga
proton affinity
Pertalian elektron
ionization energy
8.96702 eV/particle
ionization energy of Ir (Iridium)
Entalpi pengewapan
604 kJ/mol
entalpi pelakuran
27.61 kJ/mol
standard enthalpy of formation
669 kJ/mol
Elektron
Petala elektron2, 8, 18, 32, 15, 2
Model Bohr: Ir (Iridium)
Elektron valens2
Teori ion Lewis: Ir (Iridium)
tatarajah elektron[Xe] 4f14 5d7 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f14 5d7 6s2
Enhanced Model Bohr of Ir (Iridium)
Orbital Diagram of Ir (Iridium)
Keadaan pengoksidaan-3, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
Keelektronegatifan
2.2
Electrophilicity Index
1.872465121129725 eV/particle
keadaan jirim asas
fasa jirimSolid
gaseous state of matter
Boiling Point
4,701.15 K
Melting Point
2,719.15 K
critical pressure
critical temperature
triple point
rupa
warna
Silver
rupasilvery white
indeks biasan
sifat bahan
Thermal Conductivity
Pengembangan terma
0.0000064 1/K
molar heat capacity
Specific Heat Capacity
0.131 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
Kekonduksian elektrik
21 MS/m
Kerintangan dan kekonduksian elektrik
0.00000004699999999998 m Ω
Kesuperkonduksian
0.11 K
kemagnetan
typeparamagnetic
magnetic susceptibility (Mass)
0.00000000167 m³/Kg
magnetic susceptibility (Molar)
0.000000000321 m³/mol
magnetic susceptibility (Volume)
0.0000377
magnetic ordering
Suhu Curie
Néel temperature
struktur
Crystal StructureFace Centered Cubic (FCC)
lattice constant
3.84 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
6.5 MPa
Modulus pukal
320 GPa
shear modulus
210 GPa
Young's modulus
528 GPa
Nisbah Poisson
0.26
Kelajuan bunyi
4,825 m/s
pengelasan
CategoryTransition metals, Transition metals
CAS GroupVIIIA
IUPAC GroupVIII
Glawe Number62
Mendeleev Number65
Pettifor Number65
Geochemical Classnoble metal
Goldschmidt classificationsiderophile

other

Gas Basicity
polarizability
54 ± 7 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
425
Neutron Mass Absorption
0.081
Nombor kuantum4F9/2
space group225 (Fm_3m)

Isotopes of Iridium

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

163Ir

Nombor jisim163
nombor neutron86
jisim atom relatif
162.994299 ± 0.000429 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan
parity+

decay modeKeamatan (fizik)
p (proton emission)

164Ir

Nombor jisim164
nombor neutron87
jisim atom relatif
163.991966 ± 0.000339 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin2
nuclear quadrupole moment
tarikh penemuan
parity-

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

165Ir

Nombor jisim165
nombor neutron88
jisim atom relatif
164.987552 ± 0.00017 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan
parity+

decay modeKeamatan (fizik)
p (proton emission)
α (α emission)

166Ir

Nombor jisim166
nombor neutron89
jisim atom relatif
165.985716 ± 0.000215 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
10.5 ± 2.2 ms
Spin2
nuclear quadrupole moment
tarikh penemuan1981
parity

decay modeKeamatan (fizik)
α (α emission)93%
p (proton emission)7%

167Ir

Nombor jisim167
nombor neutron90
jisim atom relatif
166.981671973 ± 0.000019694 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
29.3 ± 0.6 ms
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1981
parity+

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

168Ir

Nombor jisim168
nombor neutron91
jisim atom relatif
167.979960978 ± 0.000059277 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
230 ± 50 ms
Spin2
nuclear quadrupole moment
tarikh penemuan1978
parity

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

169Ir

Nombor jisim169
nombor neutron92
jisim atom relatif
168.976281743 ± 0.00002502 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
353 ± 4 ms
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1978
parity+

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

170Ir

Nombor jisim170
nombor neutron93
jisim atom relatif
169.975113 ± 0.000109 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
910 ± 150 ms
Spin3
nuclear quadrupole moment
tarikh penemuan1977
parity-

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

171Ir

Nombor jisim171
nombor neutron94
jisim atom relatif
170.97164552 ± 0.000041295 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.1 ± 0.3 s
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1967
parity+

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

172Ir

Nombor jisim172
nombor neutron95
jisim atom relatif
171.970607035 ± 0.000034785 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
4.4 ± 0.3 s
Spin3
nuclear quadrupole moment
tarikh penemuan1967
parity-

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

173Ir

Nombor jisim173
nombor neutron96
jisim atom relatif
172.967505477 ± 0.000011316 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
9 ± 0.8 s
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1967
parity+

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

174Ir

Nombor jisim174
nombor neutron97
jisim atom relatif
173.966949939 ± 0.000012046 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
7.9 ± 0.6 s
Spin2
nuclear quadrupole moment
tarikh penemuan1967
parity+

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

175Ir

Nombor jisim175
nombor neutron98
jisim atom relatif
174.964149519 ± 0.000013295 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
9 ± 2 s
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1967
parity+

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

176Ir

Nombor jisim176
nombor neutron99
jisim atom relatif
175.963626261 ± 0.000008679 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
8.7 ± 0.5 s
Spin3
nuclear quadrupole moment
tarikh penemuan1967
parity+

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

177Ir

Nombor jisim177
nombor neutron100
jisim atom relatif
176.9613015 ± 0.000021213 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
29.8 ± 1.7 s
Spin5/2
nuclear quadrupole moment
tarikh penemuan1967
parity-

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

178Ir

Nombor jisim178
nombor neutron101
jisim atom relatif
177.961079395 ± 0.000020204 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
12 ± 2 s
Spin3
nuclear quadrupole moment
tarikh penemuan1972
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

179Ir

Nombor jisim179
nombor neutron102
jisim atom relatif
178.959117594 ± 0.000010489 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
79 ± 1 s
Spin5/2
nuclear quadrupole moment
tarikh penemuan1992
parity

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

180Ir

Nombor jisim180
nombor neutron103
jisim atom relatif
179.959229446 ± 0.000023302 Da
g-factor
0.5 ± 0.04
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
1.5 ± 0.1 m
Spin5
nuclear quadrupole moment
tarikh penemuan1972
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

181Ir

Nombor jisim181
nombor neutron104
jisim atom relatif
180.957634691 ± 0.000005631 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
4.9 ± 0.15 m
Spin5/2
nuclear quadrupole moment
tarikh penemuan1972
parity-

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

182Ir

Nombor jisim182
nombor neutron105
jisim atom relatif
181.958076296 ± 0.000022509 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
15 ± 1 m
Spin3
nuclear quadrupole moment
tarikh penemuan1961
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

183Ir

Nombor jisim183
nombor neutron106
jisim atom relatif
182.956841231 ± 0.000026486 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
58 ± 5 m
Spin5/2
nuclear quadrupole moment
tarikh penemuan1961
parity-

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

184Ir

Nombor jisim184
nombor neutron107
jisim atom relatif
183.957476 ± 0.00003 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.09 ± 0.03 h
Spin5
nuclear quadrupole moment
2.41 ± 0.03
tarikh penemuan1960
parity-

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

185Ir

Nombor jisim185
nombor neutron108
jisim atom relatif
184.956698 ± 0.00003 Da
g-factor
1.0384 ± 0.0052
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
14.4 ± 0.1 h
Spin5/2
nuclear quadrupole moment
tarikh penemuan1958
parity-

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

186Ir

Nombor jisim186
nombor neutron109
jisim atom relatif
185.957946754 ± 0.00001774 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
16.64 ± 0.03 h
Spin5
nuclear quadrupole moment
-2.55 ± 0.03
tarikh penemuan1958
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

187Ir

Nombor jisim187
nombor neutron110
jisim atom relatif
186.957542 ± 0.00003 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
10.5 ± 0.3 h
Spin3/2
nuclear quadrupole moment
0.941 ± 0.011
tarikh penemuan1958
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

188Ir

Nombor jisim188
nombor neutron111
jisim atom relatif
187.958834999 ± 0.000010116 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
41.5 ± 0.5 h
Spin1
nuclear quadrupole moment
0.484 ± 0.006
tarikh penemuan1950
parity-

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

189Ir

Nombor jisim189
nombor neutron112
jisim atom relatif
188.958722602 ± 0.0000135 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
13.2 ± 0.1 d
Spin3/2
nuclear quadrupole moment
tarikh penemuan1955
parity+

decay modeKeamatan (fizik)
ϵ (electron capture)100%

190Ir

Nombor jisim190
nombor neutron113
jisim atom relatif
189.960543374 ± 0.00000147 Da
g-factor
0.01 ± 0.0025
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
11.78 ± 0.1 d
Spin4
nuclear quadrupole moment
2.87 ± 0.16
tarikh penemuan1947
parity-

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

191Ir

Nombor jisim191
nombor neutron114
jisim atom relatif
190.960591455 ± 0.000001406 Da
g-factor
0.10013333333333 ± 0.0004
natural abundance
37.3 ± 0.2
Reputan radioaktifIsotop stabil
setengah hayatNot Radioactive ☢️
Spin3/2
nuclear quadrupole moment
0.816 ± 0.009
tarikh penemuan1935
parity+

192Ir

Nombor jisim192
nombor neutron115
jisim atom relatif
191.962602414 ± 0.00000141 Da
g-factor
0.47925 ± 0.0025
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
73.82 ± 0.014 d
Spin4
nuclear quadrupole moment
2.15 ± 0.06
tarikh penemuan1937
parity+

decay modeKeamatan (fizik)
β (β decay)95.24%
ϵ (electron capture)4.76%

193Ir

Nombor jisim193
nombor neutron116
jisim atom relatif
192.962923753 ± 0.000001425 Da
g-factor
0.10866666666667 ± 0.0004
natural abundance
62.7 ± 0.2
Reputan radioaktifIsotop stabil
setengah hayatNot Radioactive ☢️
Spin3/2
nuclear quadrupole moment
0.751 ± 0.009
tarikh penemuan1935
parity+

194Ir

Nombor jisim194
nombor neutron117
jisim atom relatif
193.965075703 ± 0.000001429 Da
g-factor
0.39 ± 0.01
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
19.35 ± 0.07 h
Spin1
nuclear quadrupole moment
0.339 ± 0.012
tarikh penemuan1937
parity-

decay modeKeamatan (fizik)
β (β decay)100%

195Ir

Nombor jisim195
nombor neutron118
jisim atom relatif
194.965976898 ± 0.000001431 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
2.29 ± 0.17 h
Spin3/2
nuclear quadrupole moment
tarikh penemuan1952
parity+

decay modeKeamatan (fizik)
β (β decay)100%

196Ir

Nombor jisim196
nombor neutron119
jisim atom relatif
195.968399669 ± 0.000041239 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
52 ± 1.1 s
Spin1
nuclear quadrupole moment
tarikh penemuan1966
parity

decay modeKeamatan (fizik)
β (β decay)100%

197Ir

Nombor jisim197
nombor neutron120
jisim atom relatif
196.969657217 ± 0.000021588 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
5.8 ± 0.5 m
Spin3/2
nuclear quadrupole moment
tarikh penemuan1952
parity+

decay modeKeamatan (fizik)
β (β decay)100%

198Ir

Nombor jisim198
nombor neutron121
jisim atom relatif
197.972399 ± 0.000215 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
8.7 ± 0.4 s
Spin1
nuclear quadrupole moment
tarikh penemuan1973
parity-

decay modeKeamatan (fizik)
β (β decay)100%

199Ir

Nombor jisim199
nombor neutron122
jisim atom relatif
198.973807097 ± 0.000044073 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
7 ± 5 s
Spin3/2
nuclear quadrupole moment
tarikh penemuan1993
parity+

decay modeKeamatan (fizik)
β (β decay)100%

200Ir

Nombor jisim200
nombor neutron123
jisim atom relatif
199.976844 ± 0.00021 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
43 ± 6 s
Spin2
nuclear quadrupole moment
tarikh penemuan2008
parity-

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)

201Ir

Nombor jisim201
nombor neutron124
jisim atom relatif
200.978701 ± 0.000215 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
21 ± 5 s
Spin3/2
nuclear quadrupole moment
tarikh penemuan2008
parity+

decay modeKeamatan (fizik)
β (β decay)100%

202Ir

Nombor jisim202
nombor neutron125
jisim atom relatif
201.982136 ± 0.000322 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
11 ± 3 s
Spin2
nuclear quadrupole moment
tarikh penemuan2008
parity-

decay modeKeamatan (fizik)
β (β decay)100%

203Ir

Nombor jisim203
nombor neutron126
jisim atom relatif
202.984573 ± 0.000429 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin3/2
nuclear quadrupole moment
tarikh penemuan2009
parity+

decay modeKeamatan (fizik)
β (β decay)

204Ir

Nombor jisim204
nombor neutron127
jisim atom relatif
203.989726 ± 0.000429 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin
nuclear quadrupole moment
tarikh penemuan2011
parity

decay modeKeamatan (fizik)
β (β decay)
β n (β-delayed neutron emission)

205Ir

Nombor jisim205
nombor neutron128
jisim atom relatif
204.993988 ± 0.000537 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin3/2
nuclear quadrupole moment
tarikh penemuan2012
parity+

decay modeKeamatan (fizik)
β (β decay)
β n (β-delayed neutron emission)
Iridium foil

sejarah

penemu atau perekaS.Tenant, A.F.Fourcory, L.N.Vauquelin, H.V.Collet-Descoltils
tempat penemuanEngland/France
tarikh penemuan1804
EtimologiLatin: iris (rainbow).
sebutani-RID-i-em (Inggeris)

sumber

Abundance
Abundance in Earth's crust
0.001 mg/kg
natural abundance (lautan)
natural abundance (Tubuh manusia)
natural abundance (Meteoroid)
0.000054 %
natural abundance (Matahari)
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