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Isotopes of Vanadium

List, data and properties of all known isotopes of Vanadium.

Content
Atomic properties
Decay properties
NMR active nuclides
Radiation protection
References
Vanadium isotopes

All atomic nuclei of the chemical element vanadium are summarized under vanadium isotopes; these all consist of an atomic nucleus with 23 protons and, in the uncharged state, 23 electrons. The difference between each vanadium isotope is based on the number of neutrons in the nucleus.

 

Naturally Occurring Vanadium Isotopes

Vanadium occurs naturally in the form of a mixture of the stable isotope V-51 and the radioisotope V-50:

Atomic Mass maQuantityHalf-lifeSpin
Vanadium
Isotopic mixture		50,9415 u100 %
Isotope 50V49,947156(6) u0,0250(10) %2.65 × 1017 a6+
Isotope 51V50,943957(6) u99,750(10) %stable7/2-

 

Isotope Table: Vanadium

The two following tables list the most important data and properties of the Vanadium isotopes. Further information on the individual Vanadium isotopes is listed on separate pages and can be accessed via the link in column 1.

 

Atomic Properties

Isotope
Nuclide		ENAtomic Mass
[Nuclear Mass]
{Mass Excess}		Spin I
(h/2π)		Parent
123456
Vanadium-404023V1740.01109(54) u
[39.9984729 u]
{10.33027 MeV}		2-41Cr
Vanadium-414123V1840.99978(22) u
[40.9871629 u]
{-0.20493 MeV}		7/2-42Cr
Vanadium-424223V1941.99182(21) u
[41.9792029 u]
{-7.61962 MeV}		2-~42Cr
Vanadium-434323V2042.98077(5) u
[42.9681529 u]
{-17.91263 MeV}		(7/2-)43Cr
Vanadium-444423V2143.97411(19) u
[43.9614929 u]
{-24.11638 MeV}		(2)+44Cr
Vanadium-44m44m23V2143.97411(19) u
[43.9614929 u]
{-24.11638 MeV}		(6)+
Vanadium-454523V2244.9657690(9) u
[44.9531519 u]
{-31.88597 MeV}		7/2-45Cr
Vanadium-464623V2345.96019797(22) u
[45.9475809 u]
{-37.07535 MeV}		0+46Cr
Vanadium-46m46m23V2345.96019797(22) u
[45.9475809 u]
{-37.07535 MeV}		3+
Vanadium-474723V2446.95490404(18) u
[46.942287 u]
{-42.00662 MeV}		3/2-47Cr
Vanadium-484823V2547.9522509(10) u
[47.9396338 u]
{-44.478 MeV}		4+48Cr
Vanadium-494923V2648.9485107(9) u
[48.9358936 u]
{-47.96197 MeV}		7/2-49Cr
Vanadium-505023V2749.947156(6) u
[49.9345389 u]
{-49.22387 MeV}		6+
Vanadium-515123V2850.943957(6) u
[50.9313399 u]
{-52.20372 MeV}		7/2-51Cr
51Ti
Vanadium-525223V2951.94477364(17) u
[51.9321566 u]
{-51.44302 MeV}		3+52Ti
Vanadium-535323V3052.944336(3) u
[52.9317189 u]
{-51.85068 MeV}		7/2-53Ti
Vanadium-545423V3153.946437(16) u
[53.9338199 u]
{-49.89361 MeV}		3+54Ti
Vanadium-54m54m23V3153.946437(16) u
[53.9338199 u]
{-49.89361 MeV}		(5)+
Vanadium-555523V3254.94724(10) u
[54.9346229 u]
{-49.14562 MeV}		(7/2-)55Ti
Vanadium-565623V3355.95045(19) u
[55.9378329 u]
{-46.15553 MeV}		1+56Ti
Vanadium-575723V3456.95232(9) u
[56.9397029 u]
{-44.41363 MeV}		(7/2-)57Ti
Vanadium-585823V3557.95663(10) u
[57.9440129 u]
{-40.39889 MeV}		(1+)58Ti
Vanadium-595923V3658.95939(17) u
[58.9467729 u]
{-37.82797 MeV}		(5/2-,3/2-)59Ti
Vanadium-606023V3759.96431(24) u
[59.9516929 u]
{-33.24502 MeV}		3+60Ti
Vanadium-60m160m123V3759.96431(24) u
[59.9516929 u]
{-33.24502 MeV}		1+~
Vanadium-60m260m223V3759.96503(51) u
[59.9524129 u]
{-32.57435 MeV}		(4+)
Vanadium-616123V3860.96725(96) u
[60.9546329 u]
{-30.50643 MeV}		(3/2-,5/2-)61Ti
Vanadium-626223V3961.97265(32) u
[61.9600329 u]
{-25.47636 MeV}		3+62Ti
Vanadium-636323V4062.97650(43) u
[62.9638829 u]
{-21.89011 MeV}		7/2-63Ti
Vanadium-646423V4163.98248(43) u
[63.9698629 u]
{-16.31977 MeV}
Vanadium-64m64m23V4163.98248(43) u
[63.9698629 u]
{-16.31977 MeV}
Vanadium-656523V4264.98735(54) u
[64.9747329 u]
{-11.7834 MeV}		5/2-~
Vanadium-666623V4365.99398(54) u
[65.9813629 u]
{-5.60759 MeV}
Vanadium-676723V4466.99930(63) u
[66.9866829 u]
{-0.65205 MeV}

 

Radioactive Decay Properties

IsotopeRadioactive DecayExtern
Half-lifeDecay ModeProbabilityEnergy
789101112
V-40p → 39TiAL
V-41p → 40TiAL
V-4255 nsp → 41Ti?AL
V-4379.3(24) msβ+ → 43Ti
EC p → 42Sc		100 %
?		11.40(40) MeV
AL
V-44111(7) msβ+ → 44Ti
EC, α → 40Ca		> 99.9 %
< 0.1 %		13.43(18) MeV
AL
V-44m150(3) msβ+ → 44Ti100 %AL
V-45547(6) msβ+ → 45Ti100 %7.1238(12) MeVAL
V-46422.50(11) msβ+ → 46Ti100 %7.05245(26) MeVAL
V-46m1.02(7) msIso → 46V100 %AL
V-4732.6(3) minβ+ → 47Ti100 %2.93075(20) MeVAL
V-4815.974(3) dEC, β+ → 48Ti100 %4.0149(10) MeVAL
V-49330(15) dEC → 49Ti100 %0.6019(8) MeVAL
V-502.65 × 1017 aβ+ → 50Ti
β- → 50Cr		99.3(7) %
0.7(7) %		2.2076(4) MeV
10.381(3) MeV		AL
V-51stableAL
V-523.743(3) minβ- → 52Cr100 %3.97648(16) MeVAL
V-531.543(14) minβ- → 53Cr100 %3.436(3) MeVAL
V-5449.8(5) sβ- → 54Cr100 %7.042(15) MevVAL
V-54m0.9(5) μsIso → 54V100 %AL
V-556.54(15) sβ- → 55Cr100 %5.97(10) MeVAL
V-56216(4) msβ- → 56Cr
β-, n → 55Cr		100 %
?		9.13(18) MeV
0.88(18) MeV		AL
V-570.32(3) sβ- → 57Cr
β-, n → 56Cr		100 %
?		8.11(8) MeV
2.80(8) MeV		AL
V-58191(10) msβ- → 58Cr
β-, n → 57Cr		100 %
?		11.59(9) MeV
4.05(9) MeV		AL
V-5997(2) msβ- → 59Cr
β-, n ? → 58Cr		100 %
< 0.03 %		10.25(27) MeV
6.09(16) MeV		AL
V-60122(18) msβ- 60Cr
β-, n → 59Cr
β-, 2n → 58Cr		100 %
?
?		13.43(29) MeV
6.77(31) MeV
AL
V-60m140(15) msAL
V-60m20.32(9) μsIso → 60V100 %AL
V-6148.3(10) msβ- → 61Cr
β-, n → 60Cr
β-, 2n → 59Cr		100 %
> 10 %
?		11.97(90) MeV
8.09(91) MeV
AL
V-6233.6(23) msβ- → 62Cr
β-, n → 61Cr		100 %
?		15.42(33) MeV
8.93(31) MeV		AL
V-6317(3) msβ- → 63Cr
β-, n → 62Cr		75 %
35 %		14.12(54) MeV
10.93(43) MeV		AL
V-6415(2) msβ- → 64Cr
β- → 63Cr		100 %
?		17.16(59) MeV
11.62(54) MeV		AL
V-64m1 μsIso → 64Vca. 100 %
V-65360 nsβ- → 65Cr
β-, n → 64Cr		100 %
?		16.44(58) MeV
13.63(67) MeV		AL
V-66360 nsβ- → 66Cr
β-, n 65Cr		?
?		19.11(64) MeV
14.54(58) MeV		AL
V-67620 nsβ- → 67Cr
β-, n → 66Cr
β-, 2n → 65Cr		?
?
?		18.03(72) MeV
16.00(72) MeV

 

Notes (related to the columns):

1 - name of the nuclide, isotope.
2 - E: isotope symbol with mass number (superscript; number of nucleons) and Atomic number (subscript; number of protons).
3 - N: number of neutrons.
4 - relative atomic mass of the Vanadium isotope (isotopic mass including electrons) and the mass of the atomic nucleus in square brackets (nuclear mass, nuclide mass without electrons), each related to 12C = 12.00000 [2]. In addition, the mass excess is given in MeV.
5 - nuclear spin I, unit: h/2π.
6 - source nuclides: Possible, assumed or actual source nuclides (mother nuclides, parent nuclides). If applicable, the corresponding decay modes can be found in the data for the respective starting nuclide.

7 - isotope notation in short form.
8 - decay: half-live of the Vanadium isotope (a = years; ; d = days; h = hours; min = minutes; s = seconds).
9 - decay mode: type of decay into the respective daughter nuclides with n = neutron emission; p = proton emission; α = alpha decay; β- = beta minus decay with electron emission; EC = electron capture; β+ = positron emission; ε = β+ and/or EC; Iso = isomeric transition; CD = cluster decay; SF = spontaneous decay.
10 - decay probability in percent (%).
11 - decay energy; Particle energy related to decay type.
12 - other information and notes: AL = Adopted Levels (link to external data [1]).

Miscellaneous:

()- Numbers in brackets: uncertainty to represent the spread of the reported value.
~ - Theoretical values or systematic trends.
  - unlisted-: Nuclides that have already been mentioned in the literature but for some reason can no longer be found in the current nuclide tables because their discovery e.g. has not confirmed.

 

NMR active Vanadium nuclides

Nuclide
quantity 1)
spin		Nuclear
magnetic
moment
μ/μN		Gyromagnetic ratio
{Quadrupole moment}		Resonant
frequency
v0 bei 1 T		Relative
sensitivity
H0 = const.
v0 = const. 3)
50V
0,0250(10) %
6+		+3,3442(4)2,6717
{+ 0,210(4)}		4,25050,05571
5,5905
51V
99,750(10) %
7/2-		+5,1464(7)7,0453
{- 0,052(10)}		11,21330,38360
5,5307

1) Quantity Percentage of natural occurrence.

2) Gyromagnetic ratio: 107 rad T-1 s-1
    Quadrupole moment: Q [barn] = [100 fm2]

3) Related to 1H = 1,000.

 

Radiation Protection

According to the Radiation Protection Ordinance (StrlSchV 2018, Germany), the following values (columns 1 to 7) apply to the handling of Vanadium radionuclides:

NuclideLimit ValueHASS limitSCDaughter NuclidesHalf-life
V-47105 Bq10 Bq/g32.6 min
V-48105 Bq1 Bq/g0,02 TBq1 Bq cm-216.0 d
V-49107 Bq104 Bq/g2000 TBq330.0 d

(HASS = High-Activity Sealed Radioactive Sources; SC = surface contamination)

 

Literature Sources and References

Properties of the Vanadium nucleides

[1] - NuDat: National Nuclear Data Center, Brookhaven National Laboratory, based on ENSDF and the Nuclear Wallet Cards.

[2] - G. Audi et. al.: The NUBASE evaluation of nuclear and decay properties. Nuclear Physics, (2003), DOI 10.1016/j.nuclphysa.2003.11.001.

[3] - Live Chart of Nuclides. Nuclear structure and decay data.

Vanadium: NMR properties - 50V-NMR, 51V-NMR

[4] - N. J. Stone: Table of nuclear magnetic dipole and electric quadrupole moments. Atomic Data and Nuclear Data Tables, (2005), DOI 10.1016/j.adt.2005.04.001.

[5] - Pekka Pyykkö: Year-2008 nuclear quadrupole moments. Molecular Physics, (2008), DOI 10.1080/00268970802018367.

[6] - Pekka Pyykkö: Year-2017 nuclear quadrupole moments. Molecular Physics, (2018), DOI 10.1080/00268976.2018.1426131.

[7] - N. J. Stone: Table of recommended nuclear magnetic dipole moments. IAEA, (2019).

More sources:

[8] - Isotopic abundances, atomic weights and isotopic masses: see respective keyword.

[9] - A. Shore, A. Fritsch, M. Heim, A. Schuh, M. Thoennessen:
Discovery of the vanadium isotopes.
In: Atomic Data and Nuclear Data Tables, (2010), DOI 10.1016/j.adt.2010.02.002.

 

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