Isotopes of Iodine

List of known isotopes of the element Iodine.

Isotope	t½	%	Spin/parity	Radius	Isotopic mass	Discovery
¹⁰⁸I	36 ±6 ms	syn.	(1)	—	1.079·10⁸ ±109 keV/c²	1991
¹⁰⁹I	92.8 ±8 us	syn.	(1/2+ 3/2+)	—	1.089·10⁸ ±7.223 keV/c²	1984
¹¹⁰I	0.664 ±24 s	syn.	(1+)	—	1.099·10⁸ ±66.49 keV/c²	1977
¹¹¹I	2.5 ±2 s	syn.	(5/2+)	—	1.109·10⁸ ±5.103 keV/c²	1977
¹¹²I	3.34 ±8 s	syn.	(1+)	—	1.119·10⁸ ±11 keV/c²	1977
¹¹³I	6.6 ±2 s	syn.	5/2+	—	1.129·10⁸ ±8.6 keV/c²	1977
¹¹⁴I	2.1 ±2 s	syn.	1+	—	1.139·10⁸ ±21.5 keV/c²	1977
¹¹⁵I	1.3 ±2 m	syn.	(5/2+)	—	1.149·10⁸ ±31 keV/c²	1969
¹¹⁶I	2.91 ±15 s	syn.	1+	—	1.159·10⁸ ±80.55 keV/c²	1976
¹¹⁷I	2.22 ±4 m	syn.	(5/2)+	—	1.169·10⁸ ±27.43 keV/c²	1969
¹¹⁸I	13.7 ±5 m	syn.	2-	—	1.179·10⁸ ±21.21 keV/c²	1957
¹¹⁹I	19.1 ±4 m	syn.	5/2+	—	1.189·10⁸ ±23.3 keV/c²	1954
¹²⁰I	81.6 ±2 m	syn.	2-	—	1.199·10⁸ ±16.21 keV/c²	1957
¹²¹I	2.12 ±1 h	syn.	5/2+	—	1.209·10⁸ ±5.07 keV/c²	1950
¹²²I	3.63 ±6 m	syn.	1+	—	1.219·10⁸ ±5.561 keV/c²	1950
¹²³I	13.22 ±19 h	syn.	5/2+	—	1.229·10⁸ ±3.956 keV/c²	1949
¹²⁴I	4.176 ±3 d	syn.	2-	—	1.239·10⁸ ±2.467 keV/c²	1938
¹²⁵I	59.4 ±10 d	syn.	5/2+	—	1.249·10⁸ ±1.452 keV/c²	1947
¹²⁶I	12.93 ±5 d	syn.	2-	—	1.259·10⁸ ±4.055 keV/c²	1938
¹²⁷I	stab.	100 %	5/2+	4.75 ±0.0081 fm	1.269·10⁸ ±3.887 keV/c²	1920
¹²⁸I	24.99 ±2 m	syn.	1+	—	1.279·10⁸ ±3.887 keV/c²	1934
¹²⁹I	1.57·10⁷ ±4 a	syn.	7/2+	—	1.289·10⁸ ±3.385 keV/c²	1951
¹³⁰I	12.36 ±1 h	syn.	5+	—	1.299·10⁸ ±3.385 keV/c²	1938
¹³¹I	8.025 ±6 d	syn.	7/2+	—	1.309·10⁸ ±0.649 keV/c²	1939
¹³²I	2.295 ±13 h	syn.	4+	—	1.319·10⁸ ±4.364 keV/c²	1948
¹³³I	20.83 ±8 h	syn.	7/2+	—	1.329·10⁸ ±6.335 keV/c²	1940
¹³⁴I	52.5 ±2 m	syn.	(4)+	—	1.339·10⁸ ±5.213 keV/c²	1948
¹³⁵I	6.58 ±3 h	syn.	7/2+	—	1.349·10⁸ ±2.211 keV/c²	1940
¹³⁶I	83.4 ±4 s	syn.	(1-)	—	1.359·10⁸ ±15.23 keV/c²	1949
¹³⁷I	24.5 ±2 s	syn.	(7/2+)	—	1.369·10⁸ ±9 keV/c²	1943
¹³⁸I	6.26 ±3 s	syn.	(1-)	—	1.379·10⁸ ±6.4 keV/c²	1949
¹³⁹I	2.28 ±11 s	syn.	(7/2+)	—	1.389·10⁸ ±4.3 keV/c²	1949
¹⁴⁰I	0.86 ±4 s	syn.	(4-)	—	1.399·10⁸ ±13 keV/c²	1972
¹⁴¹I	0.418 ±8 s	syn.	—	—	1.409·10⁸ ±17 keV/c²	1974
¹⁴²I	222 ±12 ms	syn.	—	—	1.419·10⁸ ±5.3 keV/c²	1975
¹⁴³I	130 ±45 ms	syn.	—	—	1.429·10⁸ ±215 keV/c²	1994
¹⁴⁴I	300 ns	syn.	—	—	1.439·10⁸ ±429 keV/c²	1994
¹⁴⁵I	407 ns	syn.	—	—	1.449·10⁸ ±537 keV/c²	2010
¹⁴⁶I	94 ±26 ms	syn.	—	—	1.459·10⁸ ±322 keV/c²	2018
¹⁴⁷I	stab.	syn.	—	—	1.469·10⁸ ±322 keV/c²	2018

108IIodine-108

Classification	z: 53; n: 55; m: 108
Half life	36 ±6 ms
Natural abundance	synthetic nuclide
Spin/parity	(1)
Decay modes	α decay; electron capture + β⁺ decay; proton emission
Discovery	1991
Mass excess	-52,780 ±101 keV
Binding energy	8,176 ±1 keV
Single-particle energy	-597 ±13 keV
Neutron separation energy	11,410 ±317 keV
Q value for electron capture	13,010 ±101.1 keV
β⁻ decay energy	-10,140 ±393 keV

Point at nuclide Decay chain of Iodine-108

109IIodine-109

Classification	z: 53; n: 56; m: 109
Half life	92.8 ±8 us
Natural abundance	synthetic nuclide
Spin/parity	(1/2+ 3/2+)
Decay modes	proton emission; α decay
Discovery	1984
Mass excess	-57,680 ±6.729 keV
Binding energy	8,220 ±0.0617 keV
Single-particle energy	-820.2 ±4 keV
Neutron separation energy	12,970 ±102 keV
Q value for electron capture	10,040 ±8.03 keV
β⁻ decay energy	-11,510 ±300.1 keV
β⁻ decay energy with neutron	-23,120 ±379.5 keV

Point at nuclide Decay chain of Iodine-109

110IIodine-110

Classification	z: 53; n: 57; m: 110
Half life	0.664 ±24 s
Natural abundance	synthetic nuclide
Spin/parity	(1+)
Decay modes	electron capture + β⁺ decay; α decay; electron capture + proton emission
Discovery	1977
Mass excess	-60,470 ±61.94 keV
Binding energy	8,244 ±0.5631 keV
Single-particle energy	41.41 ±62.09 keV
Neutron separation energy	10,860 ±62.3 keV
Q value for electron capture	11,760 ±62.28 keV
β⁻ decay energy	-8,546 ±118.4 keV
β⁻ decay energy with neutron	-22,370 ±306.4 keV

Point at nuclide Decay chain of Iodine-110

111IIodine-111

Classification	z: 53; n: 58; m: 111
Half life	2.5 ±2 s
Natural abundance	synthetic nuclide
Spin/parity	(5/2+)
Decay modes	electron capture + β⁺ decay; α decay
Discovery	1977
Mass excess	-64,960 ±4.754 keV
Binding energy	8,282 ±0.0428 keV
Single-particle energy	12.94 ±8.113 keV
Neutron separation energy	12,550 ±62.12 keV
Q value for electron capture	8,633 ±7.994 keV
β⁻ decay energy	-10,440 ±116 keV
β⁻ decay energy with neutron	-21,110 ±101.1 keV

Point at nuclide Decay chain of Iodine-111

112IIodine-112

Classification	z: 53; n: 59; m: 112
Half life	3.34 ±8 s
Natural abundance	synthetic nuclide
Spin/parity	(1+)
Decay modes	electron capture + β⁺ decay; electron capture + proton emission; electron capture + α decay
Discovery	1977
Mass excess	-67,070 ±10.24 keV
Binding energy	8,299 ±0.0915 keV
Single-particle energy	764.8 ±12.09 keV
Neutron separation energy	10,180 ±11.29 keV
Q value for electron capture	10,500 ±13.23 keV
β⁻ decay energy	-7,037 ±13.17 keV
β⁻ decay energy with neutron	-20,620 ±116 keV

Point at nuclide Decay chain of Iodine-112

113IIodine-113

Classification	z: 53; n: 60; m: 113
Half life	6.6 ±2 s
Natural abundance	synthetic nuclide
Spin/parity	5/2+
Decay modes	electron capture + β⁺ decay; α decay
Discovery	1977
Mass excess	-71,120 ±8.011 keV
Binding energy	8,333 ±0.0709 keV
Single-particle energy	840.9 ±11.59 keV
Neutron separation energy	12,120 ±13 keV
Q value for electron capture	7,227 ±29.07 keV
β⁻ decay energy	-8,916 ±10.53 keV
β⁻ decay energy with neutron	-19,170 ±11.52 keV

Point at nuclide Decay chain of Iodine-113

114IIodine-114

Classification	z: 53; n: 61; m: 114
Half life	2.1 ±2 s
Natural abundance	synthetic nuclide
Spin/parity	1+
Decay modes	electron capture + β⁺ decay; β⁺ decay + proton emission
Discovery	1977
Mass excess	-72,640 ±20.02 keV
Binding energy	8,344 ±0.1757 keV
Single-particle energy	1,580 ±34.38 keV
Neutron separation energy	9,590 ±21.56 keV
Q value for electron capture	9,250 ±31.58 keV
β⁻ decay energy	-5,554 ±22.93 keV
β⁻ decay energy with neutron	-18,510 ±21.16 keV

Point at nuclide Decay chain of Iodine-114

115IIodine-115

Classification	z: 53; n: 62; m: 115
Half life	1.3 ±2 m
Natural abundance	synthetic nuclide
Spin/parity	(5/2+)
Decay modes	electron capture + β⁺ decay
Discovery	1969
Mass excess	-76,340 ±28.87 keV
Binding energy	8,374 ±0.2511 keV
Single-particle energy	1,737 ±37.82 keV
Neutron separation energy	11,770 ±35.14 keV
Q value for electron capture	5,724 ±40.18 keV
β⁻ decay energy	-7,682 ±31.31 keV
β⁻ decay energy with neutron	-17,330 ±30.96 keV

Point at nuclide Decay chain of Iodine-115

116IIodine-116

Classification	z: 53; n: 63; m: 116
Half life	2.91 ±15 s
Natural abundance	synthetic nuclide
Spin/parity	1+
Decay modes	electron capture + β⁺ decay
Discovery	1976
Mass excess	-77,430 ±75.03 keV
Binding energy	8,381 ±0.6469 keV
Single-particle energy	2,646 ±80.07 keV
Neutron separation energy	9,154 ±80.4 keV
Q value for electron capture	7,843 ±78.84 keV
β⁻ decay energy	-4,374 ±75.84 keV
β⁻ decay energy with neutron	-16,840 ±76 keV

Point at nuclide Decay chain of Iodine-116

117IIodine-117

Classification	z: 53; n: 64; m: 117
Half life	2.22 ±4 m
Natural abundance	synthetic nuclide
Spin/parity	(5/2)+
Decay modes	electron capture + β⁺ decay; β⁺ decay
Discovery	1969
Mass excess	-80,440 ±25.55 keV
Binding energy	8,404 ±0.2184 keV
Single-particle energy	2,463 ±35.2 keV
Neutron separation energy	11,080 ±79.27 keV
Q value for electron capture	4,656 ±28.88 keV
β⁻ decay energy	-6,254 ±27.58 keV
β⁻ decay energy with neutron	-15,470 ±28.68 keV
Magnetic dipole moment	3.1 ±0.2 μN

Point at nuclide Decay chain of Iodine-117

118IIodine-118

Classification	z: 53; n: 65; m: 118
Half life	13.7 ±5 m
Natural abundance	synthetic nuclide
Spin/parity	2-
Decay modes	electron capture + β⁺ decay
Discovery	1957
Mass excess	-80,980 ±19.76 keV
Binding energy	8,406 ±0.1675 keV
Single-particle energy	3,164 ±23.9 keV
Neutron separation energy	8,603 ±32.3 keV
Q value for electron capture	6,719 ±26.93 keV
β⁻ decay energy	-2,892 ±22.31 keV
β⁻ decay energy with neutron	-14,860 ±22.31 keV
Magnetic dipole moment	2 ±0.2 μN

Point at nuclide Decay chain of Iodine-118

119IIodine-119

Classification	z: 53; n: 66; m: 119
Half life	19.1 ±4 m
Natural abundance	synthetic nuclide
Spin/parity	5/2+
Decay modes	electron capture + β⁺ decay; β⁺ decay; electron capture (EC)
Discovery	1954
Mass excess	-83,780 ±21.7 keV
Binding energy	8,426 ±0.1824 keV
Single-particle energy	3,375 ±28.39 keV
Neutron separation energy	10,870 ±29.35 keV
Q value for electron capture	3,404 ±22.89 keV
β⁻ decay energy	-4,984 ±24.05 keV
β⁻ decay energy with neutron	-13,770 ±24.05 keV
Magnetic dipole moment	2.9 ±0.1 μN

Point at nuclide Decay chain of Iodine-119

120IIodine-120

Classification	z: 53; n: 67; m: 120
Half life	81.6 ±2 m
Natural abundance	synthetic nuclide
Spin/parity	2-
Decay modes	electron capture + β⁺ decay
Discovery	1957
Mass excess	-83,750 ±15.1 keV
Binding energy	8,423 ±0.1258 keV
Single-particle energy	3,853 ±16.76 keV
Neutron separation energy	8,040 ±26.44 keV
Q value for electron capture	5,615 ±15.2 keV
β⁻ decay energy	-1,575 ±19.17 keV
β⁻ decay energy with neutron	-13,030 ±18.32 keV
Magnetic dipole moment	1.23 ±0.03 μN

Point at nuclide Decay chain of Iodine-120

121IIodine-121

Classification	z: 53; n: 68; m: 121
Half life	2.12 ±1 h
Natural abundance	synthetic nuclide
Spin/parity	5/2+
Decay modes	electron capture + β⁺ decay
Discovery	1950
Mass excess	-86,250 ±4.723 keV
Binding energy	8,441 ±0.039 keV
Single-particle energy	4,172 ±4.387 keV
Neutron separation energy	10,560 ±15.62 keV
Q value for electron capture	2,297 ±26.26 keV
β⁻ decay energy	-3,765 ±11.27 keV
β⁻ decay energy with neutron	-12,150 ±12.72 keV
Magnetic dipole moment	2.3 ±0.1 μN

Point at nuclide Decay chain of Iodine-121

122IIodine-122

Classification	z: 53; n: 69; m: 122
Half life	3.63 ±6 m
Natural abundance	synthetic nuclide
Spin/parity	1+
Decay modes	electron capture + β⁺ decay
Discovery	1950
Mass excess	-86,080 ±5.181 keV
Binding energy	8,437 ±0.0425 keV
Single-particle energy	4,825 ±26.28 keV
Neutron separation energy	7,904 ±6.742 keV
Q value for electron capture	4,234 ±5.3 keV
β⁻ decay energy	-724.3 ±12.25 keV
β⁻ decay energy with neutron	-11,670 ±11.47 keV
Magnetic dipole moment	0.94 ±0.03 μN

Point at nuclide Decay chain of Iodine-122

123IIodine-123

Classification	z: 53; n: 70; m: 123
Half life	13.22 ±19 h
Natural abundance	synthetic nuclide
Spin/parity	5/2+
Decay modes	electron capture + β⁺ decay
Discovery	1949
Mass excess	-87,950 ±3.686 keV
Binding energy	8,449 ±0.03 keV
Single-particle energy	4,918 ±3.444 keV
Neutron separation energy	9,934 ±6.071 keV
Q value for electron capture	1,228 ±3.92 keV
β⁻ decay energy	-2,695 ±9.682 keV
β⁻ decay energy with neutron	-10,660 ±11.7 keV
Magnetic dipole moment	2.818 ±0.007 μN

Point at nuclide Decay chain of Iodine-123

124IIodine-124

Classification	z: 53; n: 71; m: 124
Half life	4.176 ±3 d
Natural abundance	synthetic nuclide
Spin/parity	2-
Decay modes	electron capture + β⁺ decay
Discovery	1938
Mass excess	-87,370 ±2.299 keV
Binding energy	8,441 ±0.0185 keV
Single-particle energy	5,482 ±1.861 keV
Neutron separation energy	7,493 ±3.915 keV
Q value for electron capture	3,159 ±2.667 keV
β⁻ decay energy	302.8 ±1.863 keV
β⁻ decay energy with neutron	-10,190 ±9.735 keV
Magnetic dipole moment	1.446 ±0.004 μN

Point at nuclide Decay chain of Iodine-124

125IIodine-125

Classification	z: 53; n: 72; m: 125
Half life	59.4 ±10 d
Natural abundance	synthetic nuclide
Spin/parity	5/2+
Decay modes	electron capture (EC)
Discovery	1947
Mass excess	-88,840 ±1.353 keV
Binding energy	8,450 ±0.0108 keV
Single-particle energy	5,600 ±0.0671 keV
Neutron separation energy	9,542 ±1.86 keV
Q value for electron capture	185.7 ±1.91 keV
β⁻ decay energy	-1,637 ±0.4259 keV
β⁻ decay energy with neutron	-9,240 ±0.1466 keV
Magnetic dipole moment	2.821 ±0.005 μN
Electric quadrupole moment	-0.752 ±0.017 b

Point at nuclide Decay chain of Iodine-125

126IIodine-126

Classification	z: 53; n: 73; m: 126
Half life	12.93 ±5 d
Natural abundance	synthetic nuclide
Spin/parity	2-
Decay modes	electron capture + β⁺ decay; β⁻ decay
Discovery	1938
Mass excess	-87,920 ±3.778 keV
Binding energy	8,439 ±0.03 keV
Single-particle energy	6,177 ±3.672 keV
Neutron separation energy	7,145 ±3.672 keV
Q value for electron capture	2,153 ±4.013 keV
β⁻ decay energy	1,235 ±3.777 keV
β⁻ decay energy with neutron	-8,783 ±3.696 keV
Magnetic dipole moment	1.438 ±0.004 μN

Point at nuclide Decay chain of Iodine-126

127IIodine-127

Classification	z: 53; n: 74; m: 127
Half life	stable nuclide
Natural abundance	100 %
Spin/parity	5/2+
Discovery	1920
Mass excess	-88,990 ±3.621 keV
Binding energy	8,445 ±0.0285 keV
Single-particle energy	6,208 ±3.563 keV
Neutron separation energy	9,144 ±2.739 keV
Q value for electron capture	-702.8 ±3.87 keV
β⁻ decay energy	-662.4 ±2.044 keV
β⁻ decay energy with neutron	-7,909 ±3.62 keV
Magnetic dipole moment	2.808 ±0.0014 μN
Electric quadrupole moment	-0.688 ±0.01 b

Point at nuclide

128IIodine-128

Classification	z: 53; n: 75; m: 128
Half life	24.99 ±2 m
Natural abundance	synthetic nuclide
Spin/parity	1+
Decay modes	β⁻ decay; electron capture + β⁺ decay
Discovery	1934
Mass excess	-87,740 ±3.621 keV
Binding energy	8,432 ±0.0283 keV
Single-particle energy	6,746 ±3.565 keV
Neutron separation energy	6,826 ±0.0471 keV
Q value for electron capture	1,255 ±3.689 keV
β⁻ decay energy	2,122 ±3.621 keV
β⁻ decay energy with neutron	-7,489 ±2.044 keV
Magnetic dipole moment	-0.72 ±0.03 μN

Point at nuclide Decay chain of Iodine-128

129IIodine-129

Classification	z: 53; n: 76; m: 129
Half life	1.57·10⁷ ±4 a
Natural abundance	synthetic nuclide
Spin/parity	7/2+
Decay modes	β⁻ decay
Discovery	1951
Mass excess	-88,510 ±3.153 keV
Binding energy	8,435 ±0.0244 keV
Single-particle energy	6,802 ±3.136 keV
Neutron separation energy	8,840 ±4.797 keV
Q value for electron capture	-1,503 ±3.232 keV
β⁻ decay energy	188.8 ±3.153 keV
β⁻ decay energy with neutron	-6,718 ±3.153 keV
Magnetic dipole moment	2.616 ±0.0014 μN
Electric quadrupole moment	-0.483 ±0.008 b

Point at nuclide Decay chain of Iodine-129

130IIodine-130

Classification	z: 53; n: 77; m: 130
Half life	12.36 ±1 h
Natural abundance	synthetic nuclide
Spin/parity	5+
Decay modes	β⁻ decay
Discovery	1938
Mass excess	-86,940 ±3.154 keV
Binding energy	8,421 ±0.0243 keV
Single-particle energy	7,220 ±3.136 keV
Neutron separation energy	6,500 ±0.04 keV
Q value for electron capture	416.7 ±3.154 keV
β⁻ decay energy	2,944 ±3.153 keV
β⁻ decay energy with neutron	-6,312 ±3.153 keV
Magnetic dipole moment	3.349 ±0.007 μN

Point at nuclide Decay chain of Iodine-130

131IIodine-131

Classification	z: 53; n: 78; m: 131
Half life	8.025 ±6 d
Natural abundance	synthetic nuclide
Spin/parity	7/2+
Decay modes	β⁻ decay
Discovery	1939
Mass excess	-87,450 ±0.605 keV
Binding energy	8,422 ±0.0046 keV
Single-particle energy	7,378 ±0.6047 keV
Neutron separation energy	8,577 ±3.211 keV
Q value for electron capture	-2,232 ±0.608 keV
β⁻ decay energy	970.8 ±0.6046 keV
β⁻ decay energy with neutron	-5,634 ±0.6047 keV
Magnetic dipole moment	2.738 ±0.001 μN
Electric quadrupole moment	-0.34 ±0.02 b

Point at nuclide Decay chain of Iodine-131

132IIodine-132

Classification	z: 53; n: 79; m: 132
Half life	2.295 ±13 h
Natural abundance	synthetic nuclide
Spin/parity	4+
Decay modes	β⁻ decay
Discovery	1948
Mass excess	-85,710 ±4.065 keV
Binding energy	8,406 ±0.0308 keV
Single-particle energy	7,781 ±4.065 keV
Neutron separation energy	6,332 ±4.11 keV
Q value for electron capture	-515.4 ±5.355 keV
β⁻ decay energy	3,575 ±4.065 keV
β⁻ decay energy with neutron	-5,362 ±4.065 keV
Magnetic dipole moment	3.088 ±0.007 μN
Electric quadrupole moment	0.08 ±0.01 b

Point at nuclide Decay chain of Iodine-132

133IIodine-133

Classification	z: 53; n: 80; m: 133
Half life	20.83 ±8 h
Natural abundance	synthetic nuclide
Spin/parity	7/2+
Decay modes	β⁻ decay
Discovery	1940
Mass excess	-85,860 ±5.902 keV
Binding energy	8,405 ±0.0444 keV
Single-particle energy	7,958 ±6.854 keV
Neutron separation energy	8,225 ±7.166 keV
Q value for electron capture	-2,921 ±6.253 keV
β⁻ decay energy	1,786 ±6.371 keV
β⁻ decay energy with neutron	-4,650 ±5.901 keV
Magnetic dipole moment	2.856 ±0.005 μN
Electric quadrupole moment	-0.23 ±0.01 b

Point at nuclide Decay chain of Iodine-133

134IIodine-134

Classification	z: 53; n: 81; m: 134
Half life	52.5 ±2 m
Natural abundance	synthetic nuclide
Spin/parity	(4)+
Decay modes	β⁻ decay
Discovery	1948
Mass excess	-84,050 ±4.857 keV
Binding energy	8,389 ±0.0362 keV
Single-particle energy	8,395 ±5.277 keV
Neutron separation energy	6,257 ±7.643 keV
Q value for electron capture	-1,510 ±5.58 keV
β⁻ decay energy	4,082 ±4.856 keV
β⁻ decay energy with neutron	-4,472 ±5.417 keV

Point at nuclide Decay chain of Iodine-134

135IIodine-135

Classification	z: 53; n: 82; m: 135
Half life	6.58 ±3 h
Natural abundance	synthetic nuclide
Spin/parity	7/2+
Decay modes	β⁻ decay
Discovery	1940
Mass excess	-83,780 ±2.06 keV
Binding energy	8,384 ±0.0153 keV
Single-particle energy	8,534 ±3.433 keV
Neutron separation energy	7,807 ±5.275 keV
Q value for electron capture	-6,051 ±2.68 keV
β⁻ decay energy	2,634 ±3.828 keV
β⁻ decay energy with neutron	-3,725 ±2.059 keV
Magnetic dipole moment	2.94 ±0.002 μN

Point at nuclide Decay chain of Iodine-135

136IIodine-136

Classification	z: 53; n: 83; m: 136
Half life	83.4 ±4 s
Natural abundance	synthetic nuclide
Spin/parity	(1-)
Decay modes	β⁻ decay
Discovery	1949
Mass excess	-79,550 ±14.18 keV
Binding energy	8,351 ±0.1043 keV
Single-particle energy	9,105 ±14.29 keV
Neutron separation energy	3,837 ±14.33 keV
Q value for electron capture	-5,120 ±14.37 keV
β⁻ decay energy	6,883 ±14.18 keV
β⁻ decay energy with neutron	-1,204 ±14.65 keV

Point at nuclide Decay chain of Iodine-136

137IIodine-137

Classification	z: 53; n: 84; m: 137
Half life	24.5 ±2 s
Natural abundance	synthetic nuclide
Spin/parity	(7/2+)
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	1943
Mass excess	-76,360 ±8.383 keV
Binding energy	8,326 ±0.0612 keV
Single-particle energy	9,219 ±8.688 keV
Neutron separation energy	4,882 ±16.47 keV
Q value for electron capture	-7,053 ±8.642 keV
β⁻ decay energy	6,027 ±8.384 keV
β⁻ decay energy with neutron	2,001 ±8.383 keV

Point at nuclide Decay chain of Iodine-137

138IIodine-138

Classification	z: 53; n: 85; m: 138
Half life	6.26 ±3 s
Natural abundance	synthetic nuclide
Spin/parity	(1-)
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	1949
Mass excess	-71,980 ±5.962 keV
Binding energy	8,292 ±0.0432 keV
Single-particle energy	9,965 ±6.32 keV
Neutron separation energy	3,694 ±10.28 keV
Q value for electron capture	-6,284 ±7.063 keV
β⁻ decay energy	7,992 ±6.588 keV
β⁻ decay energy with neutron	2,332 ±5.962 keV

Point at nuclide Decay chain of Iodine-138

139IIodine-139

Classification	z: 53; n: 86; m: 139
Half life	2.28 ±11 s
Natural abundance	synthetic nuclide
Spin/parity	(7/2+)
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	1949
Mass excess	-68,480 ±4.005 keV
Binding energy	8,265 ±0.0288 keV
Single-particle energy	10,060 ±5.512 keV
Neutron separation energy	4,562 ±7.182 keV
Q value for electron capture	-8,266 ±5.345 keV
β⁻ decay energy	7,173 ±4.542 keV
β⁻ decay energy with neutron	3,429 ±4.889 keV

Point at nuclide Decay chain of Iodine-139

140IIodine-140

Classification	z: 53; n: 87; m: 140
Half life	0.86 ±4 s
Natural abundance	synthetic nuclide
Spin/parity	(4-)
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	1972
Mass excess	-63,610 ±12.1 keV
Binding energy	8,229 ±0.0865 keV
Single-particle energy	10,690 ±12.61 keV
Neutron separation energy	3,206 ±12.75 keV
Q value for electron capture	-7,239 ±18.79 keV
β⁻ decay energy	9,380 ±12.33 keV
β⁻ decay energy with neutron	3,967 ±12.29 keV

Point at nuclide Decay chain of Iodine-140

141IIodine-141

Classification	z: 53; n: 88; m: 141
Half life	0.418 ±8 s
Natural abundance	synthetic nuclide
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	1974
Mass excess	-59,930 ±15.83 keV
Binding energy	8,202 ±0.1123 keV
Single-particle energy	10,840 ±21.38 keV
Neutron separation energy	4,391 ±19.93 keV
Q value for electron capture	-9,257 ±400.3 keV
β⁻ decay energy	8,270 ±16.09 keV
β⁻ decay energy with neutron	4,988 ±16 keV

Point at nuclide Decay chain of Iodine-141

142IIodine-142

Classification	z: 53; n: 89; m: 142
Half life	222 ±12 ms
Natural abundance	synthetic nuclide
Discovery	1975
Mass excess	-54,810 ±4.937 keV
Binding energy	8,165 ±0.0348 keV
Single-particle energy	11,420 ±400 keV
Neutron separation energy	2,947 ±16.58 keV
Q value for electron capture	-8,253 ±500 keV
β⁻ decay energy	10,420 ±5.627 keV
β⁻ decay energy with neutron	5,323 ±5.719 keV

Point at nuclide

143IIodine-143

Classification	z: 53; n: 90; m: 143
Half life	130 ±45 ms
Natural abundance	synthetic nuclide
Decay modes	β⁻ decay
Discovery	1994
Mass excess	-50,790 ±200 keV
Binding energy	8,137 ±1 keV
Single-particle energy	11,520 ±539 keV
Neutron separation energy	4,058 ±200 keV
Q value for electron capture	-10,260 ±538.5 keV
β⁻ decay energy	9,413 ±200 keV
β⁻ decay energy with neutron	6,369 ±200 keV

Point at nuclide Decay chain of Iodine-143

144IIodine-144

Classification	z: 53; n: 91; m: 144
Half life	300 ns
Natural abundance	synthetic nuclide
Discovery	1994
Mass excess	-45,330 ±400 keV
Binding energy	8,098 ±3 keV
Single-particle energy	12,080 ±640 keV
Neutron separation energy	2,612 ±447 keV
Q value for electron capture	-9,110 ±500 keV
β⁻ decay energy	11,540 ±400 keV
β⁻ decay energy with neutron	6,801 ±400 keV

Point at nuclide

145IIodine-145

Classification	z: 53; n: 92; m: 145
Half life	407 ns
Natural abundance	synthetic nuclide
Decay modes	β⁻ decay with neutron emission; β⁻ decay
Discovery	2010
Mass excess	-41,130 ±500 keV
Binding energy	8,069 ±3 keV
Single-particle energy	12,190 ±583 keV
Neutron separation energy	3,871 ±640 keV
Q value for electron capture	-11,120 ±583 keV
β⁻ decay energy	10,360 ±500 keV
β⁻ decay energy with neutron	7,671 ±500 keV

Point at nuclide Decay chain of Iodine-145

146IIodine-146

Classification	z: 53; n: 93; m: 146
Half life	94 ±26 ms
Natural abundance	synthetic nuclide
Decay modes	β⁻ decay; β⁻ decay with two-neutron emission; β⁻ decay with neutron emission
Discovery	2018
Mass excess	-35,540 ±300 keV
Binding energy	8,031 ±2 keV
Single-particle energy	12,810 ±424 keV
Neutron separation energy	2,481 ±583 keV
β⁻ decay energy	12,410 ±301 keV
β⁻ decay energy with neutron	7,882 ±300 keV

Point at nuclide Decay chain of Iodine-146

147IIodine-147

Classification	z: 53; n: 94; m: 147
Half life	stable nuclide
Natural abundance	synthetic nuclide
Discovery	2018
Mass excess	-31,200 ±300 keV
Binding energy	8,001 ±2 keV
Neutron separation energy	3,731 ±424 keV
β⁻ decay energy	11,190 ±361 keV
β⁻ decay energy with neutron	8,683 ±301 keV

Point at nuclide

Isotopes of Iodine

108IIodine-108ads_clickcall_splitdownload

109IIodine-109ads_clickcall_splitdownload

110IIodine-110ads_clickcall_splitdownload

111IIodine-111ads_clickcall_splitdownload

112IIodine-112ads_clickcall_splitdownload

113IIodine-113ads_clickcall_splitdownload

114IIodine-114ads_clickcall_splitdownload

115IIodine-115ads_clickcall_splitdownload

116IIodine-116ads_clickcall_splitdownload

117IIodine-117ads_clickcall_splitdownload

118IIodine-118ads_clickcall_splitdownload

119IIodine-119ads_clickcall_splitdownload

120IIodine-120ads_clickcall_splitdownload

121IIodine-121ads_clickcall_splitdownload

122IIodine-122ads_clickcall_splitdownload

123IIodine-123ads_clickcall_splitdownload

124IIodine-124ads_clickcall_splitdownload

125IIodine-125ads_clickcall_splitdownload

126IIodine-126ads_clickcall_splitdownload

127IIodine-127ads_clickdownload

128IIodine-128ads_clickcall_splitdownload

129IIodine-129ads_clickcall_splitdownload

130IIodine-130ads_clickcall_splitdownload

131IIodine-131ads_clickcall_splitdownload

132IIodine-132ads_clickcall_splitdownload

133IIodine-133ads_clickcall_splitdownload

134IIodine-134ads_clickcall_splitdownload

135IIodine-135ads_clickcall_splitdownload

136IIodine-136ads_clickcall_splitdownload

137IIodine-137ads_clickcall_splitdownload

138IIodine-138ads_clickcall_splitdownload

139IIodine-139ads_clickcall_splitdownload

140IIodine-140ads_clickcall_splitdownload

141IIodine-141ads_clickcall_splitdownload

142IIodine-142ads_clickdownload

143IIodine-143ads_clickcall_splitdownload

144IIodine-144ads_clickdownload

145IIodine-145ads_clickcall_splitdownload

146IIodine-146ads_clickcall_splitdownload

147IIodine-147ads_clickdownload

108IIodine-108

109IIodine-109

110IIodine-110

111IIodine-111

112IIodine-112

113IIodine-113

114IIodine-114

115IIodine-115

116IIodine-116

117IIodine-117

118IIodine-118

119IIodine-119

120IIodine-120

121IIodine-121

122IIodine-122

123IIodine-123

124IIodine-124

125IIodine-125

126IIodine-126

127IIodine-127

128IIodine-128

129IIodine-129

130IIodine-130

131IIodine-131

132IIodine-132

133IIodine-133

134IIodine-134

135IIodine-135

136IIodine-136

137IIodine-137

138IIodine-138

139IIodine-139

140IIodine-140

141IIodine-141

142IIodine-142

143IIodine-143

144IIodine-144

145IIodine-145

146IIodine-146

147IIodine-147