Platinum-176

Properties and data of the isotope ¹⁷⁶Pt.

Contents

General Data

Radioactive Decay

Parent Nuclides

Isotones und Isobares

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

General data

Name of the isotope:Platinum-176; Pt-176Symbol:¹⁷⁶Pt or 17678PtMass number A:176 (= number of nucleons)Atomic number Z:78 (= number of protons)Neutrons N:98Isotopic mass:175.968938(14) u (atomic weight of Platinum-176)Nuclide mass:175.9261533 u (calculated nuclear mass without electrons)Mass excess:-28.93407 MeVMass defect:1.490576264 u (per nucleus)Nuclear binding energy:1388.46284646 MeV (per nucleus)
7.88899345 MeV (average binding energy per nucleon)Separation energy:S_N = 11.292(22) MeV (first neutron)
S_P = 2.828(18) MeV (first proton)Half-life:6.33(15) sDecay constant λ:0.10950192425908 s^-1Specific activity α:3.768205784698 × 10⁺²⁰ Bq g^-1
10184339958.645 Ci g^-1Spin and parity:
(nuclear angular momentum)0+Year of discovery:1966

Radioactive Decay

Half-life T_½ = 6.33(15) s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
α	¹⁷²Os	40(2) %	5.8851(21) MeV
EC/β⁺	¹⁷⁶Ir	60(2) %	4.944(21) MeV

Parent Nuclides

Direct parent isotope is: ¹⁸⁰Hg.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 98) and isobaric (same nucleon number A = 176) with Platinum-176. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

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