Praseodymium-153

Properties and data of the isotope ¹⁵³Pr.

Contents

General Data

Radioactive Decay

Parent Nuclides

Isotones und Isobares

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

General data

Name of the isotope:Praseodymium-153; Pr-153Symbol:¹⁵³Pr or 15359PrMass number A:153 (= number of nucleons)Atomic number Z:59 (= number of protons)Neutrons N:94Nucleon pairing (Z - N):odd - evenNuclear ratio (N/Z ratio):1.5932203389831 (= neutron-proton ratio)Neutron excess (N-Z):35Isotopic mass:152.933904(13) u (atomic weight of Praseodymium-153)Nuclide mass:152.9015402 u (calculated nuclear mass without electrons)Mass excess:-61.56803 MeVMass defect:1.342274992 u (per nucleus)Nuclear binding energy:1250.3211014 MeV (per nucleus)
8.17203334 MeV (average binding energy per nucleon)Separation energy:S_N = 5.882(22) MeV (first neutron)
S_P = 9.88(20) MeV (first proton)Half-life:4.28(11) sDecay constant λ:0.16195027583176 s^-1Specific activity α:6.416364298450 × 10⁺²⁰ Bq g^-1
17341525130.948 Ci g^-1Spin and parity:
(nuclear angular momentum)Year of discovery:1987

Radioactive Decay

Half-life T_½ = 4.28(11) s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	¹⁵³Nd	100 %	5.762(12) MeV

Parent Nuclides

Direct parent isotope is: ¹⁵³Ce.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 94) and isobaric (same nucleon number A = 153) with Praseodymium-153. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 94	Isobar A = 153
54	¹⁴⁸Xe
55	¹⁴⁹Cs
56	¹⁵⁰Ba	¹⁵³Ba
57	¹⁵¹La	¹⁵³La
58	¹⁵²Ce	¹⁵³Ce
59	¹⁵³Pr	¹⁵³Pr
60	¹⁵⁴Nd	¹⁵³Nd
61	¹⁵⁵Pm	¹⁵³Pm
62	¹⁵⁶Sm	¹⁵³Sm
63	¹⁵⁷Eu	¹⁵³Eu
64	¹⁵⁸Gd	¹⁵³Gd
65	¹⁵⁹Tb	¹⁵³Tb
66	¹⁶⁰Dy	¹⁵³Dy
67	¹⁶¹Ho	¹⁵³Ho
68	¹⁶²Er	¹⁵³Er
69	¹⁶³Tm	¹⁵³Tm
70	¹⁶⁴Yb	¹⁵³Yb
71	¹⁶⁵Lu	¹⁵³Lu
72	¹⁶⁶Hf	¹⁵³Hf
73	¹⁶⁷Ta
74	¹⁶⁸W
75	¹⁶⁹Re
76	¹⁷⁰Os
77	¹⁷¹Ir
78	¹⁷²Pt
79	¹⁷³Au
80	¹⁷⁴Hg