Gadolinium-162

Properties and data of the isotope ¹⁶²Gd.

Contents

General Data

Radioactive Decay

Parent Nuclides

Isotones und Isobares

See also: List of individual Gadolinium isotopes (and general data sources).

General data

Name of the isotope:Gadolinium-162; Gd-162Symbol:¹⁶²Gd or 16264GdMass number A:162 (= number of nucleons)Atomic number Z:64 (= number of protons)Neutrons N:98Isotopic mass:161.930992(4) u (atomic weight of Gadolinium-162)Nuclide mass:161.8958857 u (calculated nuclear mass without electrons)Mass excess:-64.28054 MeVMass defect:1.418971816 u (per nucleus)Nuclear binding energy:1321.76373277 MeV (per nucleus)
8.15903539 MeV (average binding energy per nucleon)Separation energy:S_N = 6.846(4) MeV (first neutron)
S_P = 9.778(11) MeV (first proton)Half-life:8.4(2) minDecay constant λ:0.0013752920249205 s^-1Specific activity α:5.14422502957 × 10⁺¹⁸ Bq g^-1
139033108.90749 Ci g^-1Spin and parity:
(nuclear angular momentum)0+Year of discovery:1967

Radioactive Decay

Half-life T_½ = 8.4(2) min (minutes) respectively 5.04 × 10² seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	¹⁶²Tb	100 %	1.40(4) MeV

Parent Nuclides

Direct parent isotope is: ²⁵²Cf.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 98) and isobaric (same nucleon number A = 162) with Gadolinium-162. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 98	Isobar A = 162
57	¹⁵⁵La
58	¹⁵⁶Ce
59	¹⁵⁷Pr
60	¹⁵⁸Nd	¹⁶²Nd
61	¹⁵⁹Pm	¹⁶²Pm
62	¹⁶⁰Sm	¹⁶²Sm
63	¹⁶¹Eu	¹⁶²Eu
64	¹⁶²Gd	¹⁶²Gd
65	¹⁶³Tb	¹⁶²Tb
66	¹⁶⁴Dy	¹⁶²Dy
67	¹⁶⁵Ho	¹⁶²Ho
68	¹⁶⁶Er	¹⁶²Er
69	¹⁶⁷Tm	¹⁶²Tm
70	¹⁶⁸Yb	¹⁶²Yb
71	¹⁶⁹Lu	¹⁶²Lu
72	¹⁷⁰Hf	¹⁶²Hf
73	¹⁷¹Ta	¹⁶²Ta
74	¹⁷²W	¹⁶²W
75	¹⁷³Re	¹⁶²Re
76	¹⁷⁴Os	¹⁶²Os
77	¹⁷⁵Ir
78	¹⁷⁶Pt
79	¹⁷⁷Au
80	¹⁷⁸Hg
81	¹⁷⁹Tl
82	¹⁸⁰Pb