Copper Isotopic Data

 

 

 

Isotope

 

Isotopic Mass

amu

 

% Abundance

 

T1/2

 

T1/2

Units

 

Mass Excess

KeV

 

Binding Energy

Per Nucleon

KeV

 

Decay

Mode

 

Branching

Ratio

52Cu

51.99718 (28)

 

 

 

-2,630 (260)

7,686 (5)

p ?

 

53Cu

52.98555 (28)

 

<300

ns

-13,460 (260)

7,897 (5)

p ?

 

54Cu

53.97671 (23)

 

<75

ns

-21,690 (210)

8,053 (4)

p ?

 

55Cu

54.96605 (32)

 

40

ms

-31,620 (300)

8,234 (5)

B+ ?

 

56Cu

55.95856 (15)

 

93

ms

-38,600 (140)

8,355 (2)

B+

100

57Cu

56.949211 (17)

 

196.3

ms

-47,310 (16)

8,503.3 (2.8)

B+

100

58Cu

57.9445385 (17)

 

3.204

s

-51,662.1 (1.6)

8,570.87 (2.7)

B+

100

59Cu

58.93949803 (84)

 

81.5

s

-56,357.22 (79)

8,641.98 (1.3)

B+

100

60Cu

59.9373650 (18)

 

23.7

m

-58,344.1 (1.7)

8,665.59 (2.8)

B+

100

61Cu

60.9334578 (11)

 

3.333

h

-61,983.64 (98)

8,715.51 (1.6)

B+

100

62Cu

61.9325837 (44)

 

9.673

m

-62,797.8 (4.1)

8,718.25 (6.6)

B+

100

63Cu

62.92959747 (64)

69.17 (3)

stable

 

-65,579.53 (60)

8,752.134 (9)

 

 

64Cu

63.92976418 (64)

 

12.7

h

-65,424.24 (60)

8,739.070 (9)

B+

61.0 3

65Cu

64.92778949 (73)

30.83 (3)

stable

 

-67,263.66 (68)

8,757.10 (1)

 

 

66Cu

65.92886881 (73)

 

5.12

m

-66,258.27 (68)

8,731.47 (1)

B-

100

67Cu

66.9277303 (13)

 

61.83

h

-67,318.8 (1.2)

8,737.45 (1.8)

B-

100

68Cu

67.9296109 (17)

 

31.1

s

-65,567.0 (1.6)

8,701.89 (2.3)

B-

100

69Cu

68.9294293 (15)

 

2.85

m

-65,736.2 (1.4)

8,695.20 (2)

B-

100

70Cu

69.9323923 (17)

 

44.5

s

-62,976.1 (1.6)

8,646.86 (2.3)

B-

100

71Cu

70.9326768 (16)

 

19.4

s

-62,711.1 (1.5)

8,635.02 (2.1)

B-

100

72Cu

71.9358203 (15)

 

6.6

s

-59,783.0 (1.4)

8,586.53 (1.9)

B-

100

73Cu

72.9366753 (42)

 

4.2

s

-58,986.6 (3.9)

8,568.56 (5.4)

B-

100

74Cu

73.9398749 (66)

 

1.594

s

-56,006.2 (6.1)

8,521.56 (8.3)

B-

100

75Cu

74.9419 (11)

 

1.224

s

-54,120 (980)

8,490 (13)

B-

100

76Cu

75.9452750 (72)

 

641

ms

-50,976.0 (6.7)

8,443.53 (8.8)

B-

100

77Cu

76.94785 (43)

 

469

ms

-48,580 (400)

8,408 (5)

B-

100

78Cu

77.95196 (43)

 

342

ms

-44,750 (400)

8,354 (5)

B-

100

79Cu

78.95456 (54)

 

188

ms

-42,330 (500)

8,320 (6)

B-

100

80Cu

79.96087 (64)

 

100

ms

-36,450 (600)

8,243 (7)

B- ?

 

68mCu

67.9296109 (17)

 

3.75

m

-65,567.0 (1.6)

8,701.89 (2.3)

IT

84 1

69mCu

68.9294293 (15)

 

360

ns

-65,736.2 (1.4)

8,695.20 (2)

IT

100

70mCu

69.9323923 (17)

 

33

s

-62,976.1 (1.6)

8,646.86 (2.3)

B-~50

 

71mCu

70.9326768 (16)

 

271

ns

-62,711.1 (1.5)

8,635.02 (2.1)

IT

100

72mCu

71.9358203 (15)

 

1.76

us

-59,783.0 (1.4)

8,586.53 (1.9)

IT

100

76mCu

75.9452750 (72)

 

1.27

s

-50,976.0 (6.7)

8,443.53 (8.8)

B-

100

70m1Cu

69.9323923 (17)

 

6.6

s

-62,976.1 (1.6)

8,646.86 (2.3)

B-~95

 

 

Data Source: ENSDF March 2005

©Radiochemistry Society 2005