Molybdenum-97

Properties and data of the isotope ⁹⁷Mo.

Contents

General data

Name of the isotope:Molybdenum-97; Mo-97Symbol:⁹⁷Mo or 9742MoMass number A:97 (= number of nucleons)Atomic number Z:42 (= number of protons)Neutrons N:55Isotopic mass:96.906018(3) u (atomic weight of Molybdenum-97)Nuclide mass:96.8829787 u (calculated nuclear mass without electrons)Mass excess:-87.54367 MeVMass defect:0.899203724 u (per nucleus)Nuclear binding energy:837.60287368 MeV (per nucleus)
8.63508117 MeV (average binding energy per nucleon)Separation energy:S_N = 6.82113(16) MeV (first neutron)
S_P = 9.23085(19) MeV (first proton)Half-life:stableSpin and parity:
(nuclear angular momentum)5/2+Magnetic dipole moment:μ(μ_N) = - 0.9324(3)Charge radius:4.3880(15) femtometer fmYear of discovery:1930

Parent Nuclides

Direct parent isotopes are: ⁹⁷Tc, ⁹⁷Nb.

Occurrence

Comparison of the natural Molybdenum isotopes including isotopic abundance (mole fraction of the isotope mixture in percent):

	Atomic Mass m_a	Quantity	Half-life	Spin
Molybdenum Isotopic mixture	95.95 u	100 %
Isotope ⁹²Mo	91.906808(5) u	14.649(106) %	stable	0+
Isotope ⁹⁴Mo	93.905085(3) u	9.187(33) %	stable	0+
Isotope ⁹⁵Mo	94.905839(3) u	15.873(30) %	stable	5/2+
Isotope ⁹⁶Mo	95.904676(3) u	16.673(8) %	stable	0+
Isotope ⁹⁷Mo	96.906018(3) u	9.582(15) %	stable	5/2+
Isotope ⁹⁸Mo	97.905405(3) u	24.292(80) %	stable	0+
Isotope ¹⁰⁰Mo	99.907472(7) u	9.744(65) %	7.3(4) × 10¹⁸ a	0+

NMR data

Nuclear magnetic properties of the NMR active Nuclide ⁹⁷Mo

Isotope:⁹⁷Mo-NMRQuantity:9.582(15) %Spin:5/2+Nuclearmagnetic moment
μ/μ_N:- 0.9324(3)Gyromagnetic ratio γ:- 1.7884 · 10⁷ rad T^-1 s^-1Nuclear g-factor:g_l = -0.37296Quadrupole moment Q:+ 0.255(13) barn (100 fm²)Resonance frequency:v₀ = 2.8463 at 1 TRelative Sensitivity:0.00349 (H₀ = const.)
0.7799 (v₀ = const.)
[related to ¹H = 1.000]

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 55) and isobaric (same nucleon number A = 97) with Molybdenum-97. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 55	Isobar A = 97
30	⁸⁵Zn
31	⁸⁶Ga
32	⁸⁷Ge
33	⁸⁸As
34	⁸⁹Se
35	⁹⁰Br	⁹⁷Br
36	⁹¹Kr	⁹⁷Kr
37	⁹²Rb	⁹⁷Rb
38	⁹³Sr	⁹⁷Sr
39	⁹⁴Y	⁹⁷Y
40	⁹⁵Zr	⁹⁷Zr
41	⁹⁶Nb	⁹⁷Nb
42	⁹⁷Mo	⁹⁷Mo
43	⁹⁸Tc	⁹⁷Tc
44	⁹⁹Ru	⁹⁷Ru
45	¹⁰⁰Rh	⁹⁷Rh
46	¹⁰¹Pd	⁹⁷Pd
47	¹⁰²Ag	⁹⁷Ag
48	¹⁰³Cd	⁹⁷Cd
49	¹⁰⁴In	⁹⁷In
50	¹⁰⁵Sn
51	¹⁰⁶Sb
52	¹⁰⁷Te
53	¹⁰⁸I
54	¹⁰⁹Xe