Vanadium-54

Properties and data of the isotope ⁵⁴V.

Contents

General Data

Radioactive Decay

Parent Nuclides

Isotones und Isobares

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

General data

Name of the isotope:Vanadium-54; V-54Symbol:⁵⁴V or 5423VMass number A:54 (= number of nucleons)Atomic number Z:23 (= number of protons)Neutrons N:31Nucleon pairing (Z - N):odd - oddNuclear ratio (N/Z ratio):1.3478260869565 (= neutron-proton ratio)Neutron excess (N-Z):8Isotopic mass:53.946437(16) u (atomic weight of Vanadium-54)Nuclide mass:53.9338199 u (calculated nuclear mass without electrons)Mass excess:-49.89361 MeVMass defect:0.50215113199999 u (per nucleus)Nuclear binding energy:467.75076655 MeV (per nucleus)
8.66205123 MeV (average binding energy per nucleon)Separation energy:S_N = 6.113(15) MeV (first neutron)
S_P = 10.35(10) MeV (first proton)Half-life:49.8(5) sDecay constant λ:0.013918618083533 s^-1Specific activity α:1.581507144805 × 10⁺²⁰ Bq g^-1
4274343634.6097 Ci g^-1Spin and parity:
(nuclear angular momentum)3+Year of discovery:1970

Radioactive Decay

Half-life T_½ = 49.8(5) s respectively 4.98 × 10¹ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	⁵⁴Cr	100 %	7.042(15) MevV

Parent Nuclides

Direct parent isotope is: ⁵⁴Ti.

Nuclear Isomers

Nuclear isomers or excited states with the activation energy in keV related to the ground state.

Nuclear Isomer	Excitation Energy	Half-life	Spin
^54mV	108.0(10) keV	0.9(5) μs	(5)+

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 31) and isobaric (same nucleon number A = 54) with Vanadium-54. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 31	Isobar A = 54
15	⁴⁶P
16	⁴⁷S
17	⁴⁸Cl
18	⁴⁹Ar	⁵⁴Ar
19	⁵⁰K	⁵⁴K
20	⁵¹Ca	⁵⁴Ca
21	⁵²Sc	⁵⁴Sc
22	⁵³Ti	⁵⁴Ti
23	⁵⁴V	⁵⁴V
24	⁵⁵Cr	⁵⁴Cr
25	⁵⁶Mn	⁵⁴Mn
26	⁵⁷Fe	⁵⁴Fe
27	⁵⁸Co	⁵⁴Co
28	⁵⁹Ni	⁵⁴Ni
29	⁶⁰Cu	⁵⁴Cu
30	⁶¹Zn	⁵⁴Zn
31	⁶²Ga
32	⁶³Ge
33	⁶⁴As
34	⁶⁵Se
35	⁶⁶Br
36	⁶⁷Kr