Irid, ²Iridiumi

Irid, ²Iridiumi (Ir)

chemical element with symbol Ir and atomic number 77
Atomic Number77
Atomic Weight192.217
Numri i masës193
Group9
Period6
Blockd
protoni77 p+
neutroni116 n0
elektroni77 e-
Animated Bohr model of Ir (Irid, ²Iridiumi)

Tipar Fizik

Atomic Radius
135 pm
molar volume
covalent radius
122 pm
Metallic Radius
127 pm
ionic radius
68 pm
Crystal Radius
82 pm
Van der Waals radius
213 pm
density
22,5622 g/cm³
Atomic Radii Of The Elements: Irid, ²Iridiumi020406080100120140160180200220pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energjia
proton affinity
electron affinity
ionization energy
8,96702 eV/particle
ionization energy of Ir (Irid, ²Iridiumi)
enthalpy of vaporization
604 kJ/mol
enthalpy of fusion
27,61 kJ/mol
standard enthalpy of formation
669 kJ/mol
elektroni
electron shell2, 8, 18, 32, 15, 2
Bohr model: Ir (Irid, ²Iridiumi)
valence electron2
Lewis structure: Ir (Irid, ²Iridiumi)
konfigurimi i elektronit[Xe] 4f14 5d7 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f14 5d7 6s2
Enhanced Bohr model of Ir (Irid, ²Iridiumi)
Orbital Diagram of Ir (Irid, ²Iridiumi)
oxidation number-3, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
Elektronegativiteti
2.2
Electrophilicity Index
1,872465121129725 eV/particle
fundamental state of matter
gjendja agregate e materiesSolid
gaseous state of matter
Boiling Point
4 701,15 K
Melting Point
2 719,15 K
critical pressure
critical temperature
triple point
appearance
Ngjyra
Silver
appearancesilvery white
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
0,0000064 1/K
molar heat capacity
Specific Heat Capacity
0,131 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
21 MS/m
electrical resistivity
0,00000004699999999998 m Ω
Superpërcjellshmëria
0,11 K
Magnetizimi
typeparamagnetic
magnetic susceptibility (Mass)
0,00000000167 m³/Kg
magnetic susceptibility (Molar)
0,000000000321 m³/mol
magnetic susceptibility (Volume)
0,0000377
magnetic ordering
Curie temperature
Néel temperature
strukturë
Crystal StructureFace Centered Cubic (FCC)
lattice constant
3,84 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
6,5 MPa
bulk modulus
320 GPa
shear modulus
210 GPa
Young's modulus
528 GPa
Poisson's ratio
0,26
Shpejtësia e zërit
4 825 m/s
klasifikim
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
numër kuantik4F9/2
space group225 (Fm_3m)

Isotopes of Iridium

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

163Ir

Numri i masës163
numri i neutroneve86
relative atomic mass
162,994299 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes
parity+

decay modeintensitet
p (proton emission)

164Ir

Numri i masës164
numri i neutroneve87
relative atomic mass
163,991966 ± 0,000339 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity-

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

165Ir

Numri i masës165
numri i neutroneve88
relative atomic mass
164,987552 ± 0,00017 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes
parity+

decay modeintensitet
p (proton emission)
α (α emission)

166Ir

Numri i masës166
numri i neutroneve89
relative atomic mass
165,985716 ± 0,000215 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
10,5 ± 2,2 ms
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1981
parity

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

167Ir

Numri i masës167
numri i neutroneve90
relative atomic mass
166,981671973 ± 0,000019694 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
29,3 ± 0,6 ms
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1981
parity+

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

168Ir

Numri i masës168
numri i neutroneve91
relative atomic mass
167,979960978 ± 0,000059277 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
230 ± 50 ms
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1978
parity

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

169Ir

Numri i masës169
numri i neutroneve92
relative atomic mass
168,976281743 ± 0,00002502 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
353 ± 4 ms
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1978
parity+

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

170Ir

Numri i masës170
numri i neutroneve93
relative atomic mass
169,975113 ± 0,000109 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
910 ± 150 ms
Spini3
nuclear quadrupole moment
koha e zbulimit apo shpikjes1977
parity-

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

171Ir

Numri i masës171
numri i neutroneve94
relative atomic mass
170,97164552 ± 0,000041295 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3,1 ± 0,3 s
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1967
parity+

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

172Ir

Numri i masës172
numri i neutroneve95
relative atomic mass
171,970607035 ± 0,000034785 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
4,4 ± 0,3 s
Spini3
nuclear quadrupole moment
koha e zbulimit apo shpikjes1967
parity-

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

173Ir

Numri i masës173
numri i neutroneve96
relative atomic mass
172,967505477 ± 0,000011316 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
9 ± 0,8 s
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1967
parity+

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

174Ir

Numri i masës174
numri i neutroneve97
relative atomic mass
173,966949939 ± 0,000012046 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
7,9 ± 0,6 s
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1967
parity+

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

175Ir

Numri i masës175
numri i neutroneve98
relative atomic mass
174,964149519 ± 0,000013295 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
9 ± 2 s
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1967
parity+

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

176Ir

Numri i masës176
numri i neutroneve99
relative atomic mass
175,963626261 ± 0,000008679 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
8,7 ± 0,5 s
Spini3
nuclear quadrupole moment
koha e zbulimit apo shpikjes1967
parity+

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

177Ir

Numri i masës177
numri i neutroneve100
relative atomic mass
176,9613015 ± 0,000021213 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
29,8 ± 1,7 s
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1967
parity-

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

178Ir

Numri i masës178
numri i neutroneve101
relative atomic mass
177,961079395 ± 0,000020204 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
12 ± 2 s
Spini3
nuclear quadrupole moment
koha e zbulimit apo shpikjes1972
parity+

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

179Ir

Numri i masës179
numri i neutroneve102
relative atomic mass
178,959117594 ± 0,000010489 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
79 ± 1 s
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1992
parity

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

180Ir

Numri i masës180
numri i neutroneve103
relative atomic mass
179,959229446 ± 0,000023302 Da
g-factor
0,5 ± 0,04
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,5 ± 0,1 m
Spini5
nuclear quadrupole moment
koha e zbulimit apo shpikjes1972
parity+

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

181Ir

Numri i masës181
numri i neutroneve104
relative atomic mass
180,957634691 ± 0,000005631 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
4,9 ± 0,15 m
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1972
parity-

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

182Ir

Numri i masës182
numri i neutroneve105
relative atomic mass
181,958076296 ± 0,000022509 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
15 ± 1 m
Spini3
nuclear quadrupole moment
koha e zbulimit apo shpikjes1961
parity+

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

183Ir

Numri i masës183
numri i neutroneve106
relative atomic mass
182,956841231 ± 0,000026486 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
58 ± 5 m
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1961
parity-

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

184Ir

Numri i masës184
numri i neutroneve107
relative atomic mass
183,957476 ± 0,00003 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3,09 ± 0,03 h
Spini5
nuclear quadrupole moment
2,41 ± 0,03
koha e zbulimit apo shpikjes1960
parity-

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

185Ir

Numri i masës185
numri i neutroneve108
relative atomic mass
184,956698 ± 0,00003 Da
g-factor
1,0384 ± 0,0052
natural abundance
Radioaktivitet☢️ radioactive element
half-life
14,4 ± 0,1 h
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1958
parity-

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

186Ir

Numri i masës186
numri i neutroneve109
relative atomic mass
185,957946754 ± 0,00001774 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
16,64 ± 0,03 h
Spini5
nuclear quadrupole moment
-2,55 ± 0,03
koha e zbulimit apo shpikjes1958
parity+

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

187Ir

Numri i masës187
numri i neutroneve110
relative atomic mass
186,957542 ± 0,00003 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
10,5 ± 0,3 h
Spini3/2
nuclear quadrupole moment
0,941 ± 0,011
koha e zbulimit apo shpikjes1958
parity+

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

188Ir

Numri i masës188
numri i neutroneve111
relative atomic mass
187,958834999 ± 0,000010116 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
41,5 ± 0,5 h
Spini1
nuclear quadrupole moment
0,484 ± 0,006
koha e zbulimit apo shpikjes1950
parity-

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

189Ir

Numri i masës189
numri i neutroneve112
relative atomic mass
188,958722602 ± 0,0000135 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
13,2 ± 0,1 d
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1955
parity+

decay modeintensitet
ϵ (electron capture)100%

190Ir

Numri i masës190
numri i neutroneve113
relative atomic mass
189,960543374 ± 0,00000147 Da
g-factor
0,01 ± 0,0025
natural abundance
Radioaktivitet☢️ radioactive element
half-life
11,78 ± 0,1 d
Spini4
nuclear quadrupole moment
2,87 ± 0,16
koha e zbulimit apo shpikjes1947
parity-

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

191Ir

Numri i masës191
numri i neutroneve114
relative atomic mass
190,960591455 ± 0,000001406 Da
g-factor
0,10013333333333 ± 0,0004
natural abundance
37,3 ± 0,2
Radioaktivitetstable isotope
half-lifeNot Radioactive ☢️
Spini3/2
nuclear quadrupole moment
0,816 ± 0,009
koha e zbulimit apo shpikjes1935
parity+

192Ir

Numri i masës192
numri i neutroneve115
relative atomic mass
191,962602414 ± 0,00000141 Da
g-factor
0,47925 ± 0,0025
natural abundance
Radioaktivitet☢️ radioactive element
half-life
73,82 ± 0,014 d
Spini4
nuclear quadrupole moment
2,15 ± 0,06
koha e zbulimit apo shpikjes1937
parity+

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

193Ir

Numri i masës193
numri i neutroneve116
relative atomic mass
192,962923753 ± 0,000001425 Da
g-factor
0,10866666666667 ± 0,0004
natural abundance
62,7 ± 0,2
Radioaktivitetstable isotope
half-lifeNot Radioactive ☢️
Spini3/2
nuclear quadrupole moment
0,751 ± 0,009
koha e zbulimit apo shpikjes1935
parity+

194Ir

Numri i masës194
numri i neutroneve117
relative atomic mass
193,965075703 ± 0,000001429 Da
g-factor
0,39 ± 0,01
natural abundance
Radioaktivitet☢️ radioactive element
half-life
19,35 ± 0,07 h
Spini1
nuclear quadrupole moment
0,339 ± 0,012
koha e zbulimit apo shpikjes1937
parity-

decay modeintensitet
β (β decay)100%

195Ir

Numri i masës195
numri i neutroneve118
relative atomic mass
194,965976898 ± 0,000001431 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,29 ± 0,17 h
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1952
parity+

decay modeintensitet
β (β decay)100%

196Ir

Numri i masës196
numri i neutroneve119
relative atomic mass
195,968399669 ± 0,000041239 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
52 ± 1,1 s
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1966
parity

decay modeintensitet
β (β decay)100%

197Ir

Numri i masës197
numri i neutroneve120
relative atomic mass
196,969657217 ± 0,000021588 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
5,8 ± 0,5 m
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1952
parity+

decay modeintensitet
β (β decay)100%

198Ir

Numri i masës198
numri i neutroneve121
relative atomic mass
197,972399 ± 0,000215 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
8,7 ± 0,4 s
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1973
parity-

decay modeintensitet
β (β decay)100%

199Ir

Numri i masës199
numri i neutroneve122
relative atomic mass
198,973807097 ± 0,000044073 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
7 ± 5 s
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1993
parity+

decay modeintensitet
β (β decay)100%

200Ir

Numri i masës200
numri i neutroneve123
relative atomic mass
199,976844 ± 0,00021 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
43 ± 6 s
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2008
parity-

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

201Ir

Numri i masës201
numri i neutroneve124
relative atomic mass
200,978701 ± 0,000215 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
21 ± 5 s
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2008
parity+

decay modeintensitet
β (β decay)100%

202Ir

Numri i masës202
numri i neutroneve125
relative atomic mass
201,982136 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
11 ± 3 s
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2008
parity-

decay modeintensitet
β (β decay)100%

203Ir

Numri i masës203
numri i neutroneve126
relative atomic mass
202,984573 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2009
parity+

decay modeintensitet
β (β decay)

204Ir

Numri i masës204
numri i neutroneve127
relative atomic mass
203,989726 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes2011
parity

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

205Ir

Numri i masës205
numri i neutroneve128
relative atomic mass
204,993988 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2012
parity+

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

historia

zbuluesS.Tenant, A.F.Fourcory, L.N.Vauquelin, H.V.Collet-Descoltils
vendndodhja e zbulimitEngland/France
koha e zbulimit apo shpikjes1804
EtimologjiaLatin: iris (rainbow).
pronunciationi-RID-i-em (anglisht)

burim

Abundance
Abundance in Earth's crust
0,001 mg/kg
natural abundance (Oqeani)
natural abundance (Trupi i njeriut)
natural abundance (meteoroid)
0,000054 %
natural abundance (Diell)
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