Hydrogen Isotopic Data

 

 

 

Isotope

 

Isotopic Mass

amu

 

% Abundance

 

T1/2

 

T1/2

Units

 

Mass Excess

KeV

 

Binding Energy

Per Nucleon

KeV

 

Decay

Mode

 

Branching

Ratio

1n

1.00866491574 (56)

 

613.9

s

8,071.31710 (53)

0 (0)

B-

100

1H

1.00782503207 (10)

99.9885 (70)

stbl

 

7,288.97050 (11)

0 (0)

 

 

2H

2.01410177785 (36)

0.0115 (70)

stbl

 

13,135.72158 (35)

1,112 (0)

 

 

3H

3.0160492777 (25)

 

12.32

y

14,949.8060 (23)

2,827.266 (1)

B-

100

4H

4.02781 (11)

 

139

ys

25,900 (100)

1,400 (26)

n

100

5H

5.03531 (11)

 

>910

ys

32,890 (100)

1,340 (20)

2n

100

6H

6.04494 (28)

 

290

ys

41,860 (260)

960 (44)

n ?

 

7H

7.0527 (11)

 

23

ys

49,100 (1000)

900 (140)

2n ?

 

 

Data Source: ENSDF March 2005

©Radiochemistry Society 2005