Ytterbium-175m

Properties and data of the isotope ¹⁷⁵Yb.

Content

General data

Name of the isotope:Ytterbium-175m; Yb-175mSymbol:¹⁷⁵Yb or 17570YbMass number A:175 (= number of nucleons)Atomic number Z:70 (= number of protons)Neutrons N:105Isotopic mass:174.94128191(8) u (atomic weight of Ytterbium-175m)
Excitation energy: 514.866(4) keVNuclide mass:174.9028848 u (calculated nuclear mass without electrons)Mass excess:-54.69555 MeVMass defect:1.51628651 u (per nucleus)Nuclear binding energy:1412.41178635 MeV (per nucleus)
8.07092449 MeV (average binding energy per nucleon)Half-life:68.2(3) msDecay constant λ:10.163448395307 s^-1Specific activity α:3.517569991910 × 10⁺²² Bq g^-1
950694592408.16 Ci g^-1Spin and parity:
(nuclear angular momentum)1/2-

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
¹⁷⁵Yb		4.185(1) d	(7/2-)

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 105) and isobaric (same nucleon number A = 175) with Ytterbium-175m. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 105	Isobar A = 175
63	¹⁶⁸Eu
64	¹⁶⁹Gd
65	¹⁷⁰Tb
66	¹⁷¹Dy
67	¹⁷²Ho	¹⁷⁵Ho
68	¹⁷³Er	¹⁷⁵Er
69	¹⁷⁴Tm	¹⁷⁵Tm
70	¹⁷⁵Yb	¹⁷⁵Yb
71	¹⁷⁶Lu	¹⁷⁵Lu
72	¹⁷⁷Hf	¹⁷⁵Hf
73	¹⁷⁸Ta	¹⁷⁵Ta
74	¹⁷⁹W	¹⁷⁵W
75	¹⁸⁰Re	¹⁷⁵Re
76	¹⁸¹Os	¹⁷⁵Os
77	¹⁸²Ir	¹⁷⁵Ir
78	¹⁸³Pt	¹⁷⁵Pt
79	¹⁸⁴Au	¹⁷⁵Au
80	¹⁸⁵Hg	¹⁷⁵Hg
81	¹⁸⁶Tl
82	¹⁸⁷Pb
83	¹⁸⁸Bi
84	¹⁸⁹Po
85	¹⁹⁰At