Samarij

Samarij (Sm)

chemical element with atomic number of 62
Atomski broj62
Relativna atomska masa150.36
Maseni broj152
Skupina
Perioda6
Blokf
proton62 p+
neutron90 n0
elektron62 e-
Animated Bohrov model atoma of Sm (Samarij)

Physical Property

Atomski Radijus
185 pm
Molni volumen
Kovalentni Radijus
172 pm
Metallic Radius
Ionski radijus
122 pm
Crystal Radius
136 pm
Van der Waals radius
236 pm
gustoća
7,52 g/cm³
Atomic Radii Of The Elements: Samarij0102030405060708090100110120130140150160170180190200210220230240pmAtomski RadijusKovalentni RadijusMetallic RadiusVan der Waals radius

Kemijsko Svojstvo

energija
proton affinity
Elektronski afinitet
ionization energy
5,64371 eV/particle
ionization energy of Sm (Samarij)
Toplina isparivanja
165 kJ/mol
toplina taljenja
8,9 kJ/mol
standard enthalpy of formation
206,7 kJ/mol
elektron
Elektronska ljuska2, 8, 18, 24, 8, 2
Bohrov model atoma: Sm (Samarij)
valence electron2
Lewis structure: Sm (Samarij)
electron configuration[Xe] 4f6 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f6 6s2
Enhanced Bohrov model atoma of Sm (Samarij)
Orbital Diagram of Sm (Samarij)
Oksidacijski broj0, 1, 2, 3
Elektronegativnost
1.17
Electrophilicity Index
fundamental state of matter
agregatno stanjeČvrsto
gaseous state of matter
Vrelište
2.067,15 K
Talište
1.345,15 K
critical pressure
critical temperature
Trojna točka
appearance
boja
Srebrna
appearancesilvery white
Indeks prelamanja
thermodynamic material property
Toplinska vodljivost
Toplinsko istezanje
0,0000127 1/K
molar heat capacity
29,54 J/(mol K)
Specifični toplinski kapacitet
0,197 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
1,1 MS/m
Električna otpornost i provodnost
0,00000094 m Ω
Supravodljivost
Magnetizam
typeparamagnetic
Magnetna susceptibilnost (Mass)
0,000000111 m³/Kg
Magnetna susceptibilnost (Molar)
0,00000001669 m³/mol
Magnetna susceptibilnost (Volume)
0,00081618
magnetic ordering
Curieva temperatura
Néel temperature
106 K
struktura
Kristalna strukturaJednostavna Trigonska (RHL)
lattice constant
9 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
Tvrdoća
bulk modulus
38 GPa
shear modulus
20 GPa
Youngov modul elastičnosti
50 GPa
Poissonov omjer
0,27
brzina zvuka
2.130 m/s
classification
KategorijaLantanoidi, Lanthanides
CAS Group
IUPAC Group
Glawe Number27
Mendeleev Number23
Pettifor Number28
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
192 ± 20 a₀
C6 Dispersion Coefficient
allotrope
Nuklearni udarni presjek
5.900
Neutron Mass Absorption
4,7
Kvantni brojevi7F0
space group166 (R_3m)

Isotopes of Samarium

Stabilni izotopi2
Nestabilni izotopi39
Natural Isotopes7
Isotopic Composition15226.74%15226.74%15422.74%15422.74%14715.00%14715.00%14913.82%14913.82%14811.25%14811.25%1507.37%1507.37%1443.08%1443.08%

128Sm

Maseni broj128
neutron number66
Relativna atomska masa
127,957971 ± 0,000537 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma
Parnost+

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

129Sm

Maseni broj129
neutron number67
Relativna atomska masa
128,954557 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
550 ± 100 ms
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1999
Parnost+

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

130Sm

Maseni broj130
neutron number68
Relativna atomska masa
129,948792 ± 0,000429 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1999
Parnost+

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

131Sm

Maseni broj131
neutron number69
Relativna atomska masa
130,946022 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,2 ± 0,2 s
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1986
Parnost+

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

132Sm

Maseni broj132
neutron number70
Relativna atomska masa
131,940805 ± 0,000322 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4 ± 0,3 s
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1989
Parnost+

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

133Sm

Maseni broj133
neutron number71
Relativna atomska masa
132,93856 ± 0,00032 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,89 ± 0,16 s
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1977
Parnost+

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

134Sm

Maseni broj134
neutron number72
Relativna atomska masa
133,93411 ± 0,00021 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
9,5 ± 0,8 s
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1977
Parnost+

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

135Sm

Maseni broj135
neutron number73
Relativna atomska masa
134,93252 ± 0,000166 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
10,3 ± 0,5 s
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1977
Parnost+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.02%

136Sm

Maseni broj136
neutron number74
Relativna atomska masa
135,928275553 ± 0,000013416 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
47 ± 2 s
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1982
Parnost+

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

137Sm

Maseni broj137
neutron number75
Relativna atomska masa
136,927007959 ± 0,000030718 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
45 ± 1 s
spin9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1986
Parnost-

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

138Sm

Maseni broj138
neutron number76
Relativna atomska masa
137,923243988 ± 0,000012686 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,1 ± 0,2 m
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1982
Parnost+

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

139Sm

Maseni broj139
neutron number77
Relativna atomska masa
138,922296631 ± 0,000011684 Da
g-factor
−1,06 ± 0,04
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,57 ± 0,1 m
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1971
Parnost+

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

140Sm

Maseni broj140
neutron number78
Relativna atomska masa
139,918994714 ± 0,000013416 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
14,82 ± 0,12 m
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1967
Parnost+

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

141Sm

Maseni broj141
neutron number79
Relativna atomska masa
140,918481545 ± 0,000009162 Da
g-factor
−1,48 ± 0,04
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
10,2 ± 0,2 m
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1967
Parnost+

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

142Sm

Maseni broj142
neutron number80
Relativna atomska masa
141,915209415 ± 0,000002002 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
72,49 ± 0,05 m
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1959
Parnost+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
e+ (positron emission)5%

143Sm

Maseni broj143
neutron number81
Relativna atomska masa
142,914634848 ± 0,000002951 Da
g-factor
0,67333333333333 ± 0,013333333333333
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
8,75 ± 0,06 m
spin3/2
nuclear quadrupole moment
0,4 ± 0,2
vrijeme otkrića ili izuma1956
Parnost+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
e+ (positron emission)40%
ϵ (electron capture)60%

144Sm

Maseni broj144
neutron number82
Relativna atomska masa
143,912006285 ± 0,000001566 Da
g-factor
0
natural abundance
3,08 ± 0,04
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1933
Parnost+

decay modeintensity
+ (double β+ decay)

145Sm

Maseni broj145
neutron number83
Relativna atomska masa
144,913417157 ± 0,000001594 Da
g-factor
−0,32 ± 0,0031428571428571
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
340 ± 3 d
spin7/2
nuclear quadrupole moment
−0,6 ± 0,07
vrijeme otkrića ili izuma1947
Parnost-

decay modeintensity
ϵ (electron capture)100%

146Sm

Maseni broj146
neutron number84
Relativna atomska masa
145,913046835 ± 0,000003269 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
68 ± 7 My
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1953
Parnost+

decay modeintensity
α (α emission)100%

147Sm

Maseni broj147
neutron number85
Relativna atomska masa
146,914904401 ± 0,000001354 Da
g-factor
−0,23114285714286 ± 0,0004
natural abundance
15 ± 0,14
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
106,6 ± 0,5 Gy
spin7/2
nuclear quadrupole moment
−0,26 ± 0,03
vrijeme otkrića ili izuma1933
Parnost-

decay modeintensity
α (α emission)100%

148Sm

Maseni broj148
neutron number86
Relativna atomska masa
147,914829233 ± 0,000001337 Da
g-factor
0
natural abundance
11,25 ± 0,09
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,3 ± 1,3 Py
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1933
Parnost+

decay modeintensity
α (α emission)100%

149Sm

Maseni broj149
neutron number87
Relativna atomska masa
148,917191211 ± 0,000001241 Da
g-factor
−0,19077142857143 ± 0,00031428571428571
natural abundance
13,82 ± 0,1
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
0,075 ± 0,008
vrijeme otkrića ili izuma1933
Parnost-

decay modeintensity
α (α emission)

150Sm

Maseni broj150
neutron number88
Relativna atomska masa
149,917281993 ± 0,000001193 Da
g-factor
0
natural abundance
7,37 ± 0,09
radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1934
Parnost+

151Sm

Maseni broj151
neutron number89
Relativna atomska masa
150,919938859 ± 0,000001191 Da
g-factor
−0,1442 ± 0,00024
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
94,6 ± 0,6 y
spin5/2
nuclear quadrupole moment
0,71 ± 0,07
vrijeme otkrića ili izuma1947
Parnost-

decay modeintensity
β (β decay)100%

152Sm

Maseni broj152
neutron number90
Relativna atomska masa
151,919738646 ± 0,00000109 Da
g-factor
0
natural abundance
26,74 ± 0,09
radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1933
Parnost+

153Sm

Maseni broj153
neutron number91
Relativna atomska masa
152,922103576 ± 0,0000011 Da
g-factor
−0,014 ± 0,002
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
46,2846 ± 0,0023 h
spin3/2
nuclear quadrupole moment
1,3 ± 0,12
vrijeme otkrića ili izuma1938
Parnost+

decay modeintensity
β (β decay)100%

154Sm

Maseni broj154
neutron number92
Relativna atomska masa
153,922215756 ± 0,0000014 Da
g-factor
0
natural abundance
22,74 ± 0,14
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1933
Parnost+

decay modeintensity
(double β decay)

155Sm

Maseni broj155
neutron number93
Relativna atomska masa
154,924646645 ± 0,000001429 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
22,18 ± 0,06 m
spin3/2
nuclear quadrupole moment
1,13 ± 0,13
vrijeme otkrića ili izuma1951
Parnost-

decay modeintensity
β (β decay)100%

156Sm

Maseni broj156
neutron number94
Relativna atomska masa
155,925538191 ± 0,000009148 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
9,4 ± 0,2 h
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1951
Parnost+

decay modeintensity
β (β decay)100%

157Sm

Maseni broj157
neutron number95
Relativna atomska masa
156,928418598 ± 0,000004759 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
8,03 ± 0,07 m
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1973
Parnost-

decay modeintensity
β (β decay)100%

158Sm

Maseni broj158
neutron number96
Relativna atomska masa
157,929949262 ± 0,000005133 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5,3 ± 0,03 m
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1970
Parnost+

decay modeintensity
β (β decay)100%

159Sm

Maseni broj159
neutron number97
Relativna atomska masa
158,93321713 ± 0,00000637 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
11,37 ± 0,15 s
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1986
Parnost-

decay modeintensity
β (β decay)100%

160Sm

Maseni broj160
neutron number98
Relativna atomska masa
159,935337032 ± 0,0000021 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
9,6 ± 0,3 s
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1986
Parnost+

decay modeintensity
β (β decay)100%

161Sm

Maseni broj161
neutron number99
Relativna atomska masa
160,939160062 ± 0,000007318 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,8 ± 0,4 s
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1998
Parnost+

decay modeintensity
β (β decay)100%

162Sm

Maseni broj162
neutron number100
Relativna atomska masa
161,941621687 ± 0,000003782 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,7 ± 0,3 s
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma2005
Parnost+

decay modeintensity
β (β decay)100%

163Sm

Maseni broj163
neutron number101
Relativna atomska masa
162,945679085 ± 0,0000079 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,3 ± 0,5 s
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma2012
Parnost-

decay modeintensity
β (β decay)100%

164Sm

Maseni broj164
neutron number102
Relativna atomska masa
163,948550061 ± 0,0000044 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,43 ± 0,24 s
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma2012
Parnost+

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

165Sm

Maseni broj165
neutron number103
Relativna atomska masa
164,95329 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
980 ± 210 ms
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2012
Parnost-

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

166Sm

Maseni broj166
neutron number104
Relativna atomska masa
165,956575 ± 0,000429 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
800 ± 630 ms
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma2017
Parnost+

decay modeintensity
β (β decay)100%

167Sm

Maseni broj167
neutron number105
Relativna atomska masa
166,962072 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2018
Parnost-

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

168Sm

Maseni broj168
neutron number106
Relativna atomska masa
167,966033 ± 0,000322 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma2018
Parnost+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
Samarium 1

povijest

otkrio/izumioPaul Émile Lecoq de Boisbaudran
location of discoveryFrance
vrijeme otkrića ili izuma1879
EtimologijaNamed after the mineral samarskite.
pronunciationseh-MER-i-em (engleski)

source

Obilnost
Zastupljenost u Zemljinoj kori
7,05 mg/kg
natural abundance (ocean)
0,00000045 mg/L
natural abundance (tijelo)
natural abundance (meteoroid)
0,000017 %
natural abundance (Sunce)
0,0000001 %
Zastupljenost u svemiru
0,0000005 %

Nuclear Screening Constants

1s1.2217
2p4.269
2s16.2652
3d13.7711
3p19.5815
3s19.9736
4d33.7604
4f38.4684
4p30.912
4s29.7076
5p45.719
5s43.751
6s53.9882