Cadmium-114

Properties and data of the isotope ¹¹⁴Cd.

Contents

General Data

Radioactive Decay

Parent Nuclides

Isotones und Isobares

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

General data

Name of the isotope:Cadmium-114; Cd-114Symbol:¹¹⁴Cd or 11448CdMass number A:114 (= number of nucleons)Atomic number Z:48 (= number of protons)Neutrons N:66Nucleon pairing (Z - N):even - evenNuclear ratio (N/Z ratio):1.375 (= neutron-proton ratio)Neutron excess (N-Z):18Isotopic mass:113.903365(3) u (atomic weight of Cadmium-114)Nuclide mass:113.8770346 u (calculated nuclear mass without electrons)Mass excess:-90.01492 MeVMass defect:1.044120992 u (per nucleus)Nuclear binding energy:972.59243932 MeV (per nucleus)
8.53151263 MeV (average binding energy per nucleon)Separation energy:S_N = 9.04297(14) MeV (first neutron)
S_P = 10.277(17) MeV (first proton)Half-life:stableSpin and parity:
(nuclear angular momentum)0+Charge radius:4.6087(23) femtometer fmYear of discovery:1925

Radioactive Decay

Half-life T_½ = stable.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
2 β⁺ ?	¹¹⁴Sn

Parent Nuclides

Direct parent isotopes are: ¹¹⁴Ag, ¹¹⁴In.

Occurrence

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

	Atomic Mass m_a	Quantity	Half-life	Spin
Cadmium Isotopic mixture	112.414 u	100 %
Isotope ¹⁰⁶Cd	105.906460(8) u	1.245(22) %	stable	0+
Isotope ¹⁰⁸Cd	107.904183(8) u	0.888(11) %	stable	0+
Isotope ¹¹⁰Cd	109.903007(4) u	12.470(61) %	stable	0+
Isotope ¹¹¹Cd	110.904183(4) u	12.795(12) %	stable	1/2+
Isotope ¹¹²Cd	111.902763(4) u	24.109(7) %	stable	0+
Isotope ¹¹³Cd	112.904408(3) u	12.227(7) %	8.04(5) × 10¹⁵ a	1/2+
Isotope ¹¹⁴Cd	113.903365(3) u	28.754(81) %	stable	0+
Isotope ¹¹⁶Cd	115.904763(2) u	7.512(54) %	3.3(4) × 10¹⁹ a	0+

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 66) and isobaric (same nucleon number A = 114) with Cadmium-114. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 66	Isobar A = 114
37	¹⁰³Rb
38	¹⁰⁴Sr
39	¹⁰⁵Y
40	¹⁰⁶Zr
41	¹⁰⁷Nb	¹¹⁴Nb
42	¹⁰⁸Mo	¹¹⁴Mo
43	¹⁰⁹Tc	¹¹⁴Tc
44	¹¹⁰Ru	¹¹⁴Ru
45	¹¹¹Rh	¹¹⁴Rh
46	¹¹²Pd	¹¹⁴Pd
47	¹¹³Ag	¹¹⁴Ag
48	¹¹⁴Cd	¹¹⁴Cd
49	¹¹⁵In	¹¹⁴In
50	¹¹⁶Sn	¹¹⁴Sn
51	¹¹⁷Sb	¹¹⁴Sb
52	¹¹⁸Te	¹¹⁴Te
53	¹¹⁹I	¹¹⁴I
54	¹²⁰Xe	¹¹⁴Xe
55	¹²¹Cs	¹¹⁴Cs
56	¹²²Ba	¹¹⁴Ba
57	¹²³La
58	¹²⁴Ce
59	¹²⁵Pr
60	¹²⁶Nd
61	¹²⁷Pm
62	¹²⁸Sm