Lutetium Isotopic Data
Isotope |
Isotopic Mass amu |
% Abundance |
T1/2 |
T1/2 Units |
Mass Excess KeV |
Binding Energy Per Nucleon KeV |
Decay Mode |
Branching Ratio |
150Lu | 149.97323 (54) |
| 46 | ms | -24,940 (500) | 7,867 (3) | p | ? |
151Lu | 150.96758 (43) |
| 80.6 | ms | -30,200 (400) | 7,903 (3) | p | ? |
152Lu | 151.96412 (21) |
| 650 | ms | -33,420 (200) | 7,926 (1) | B+ | 100 |
153Lu | 152.95877 (22) |
| 900 | ms | -38,410 (210) | 7,959 (1.4) | A | 70# |
154Lu | 153.95752 (22) |
| 1 | s | -39,570 (200) | 7,968 (1) | B+ ? |
|
155Lu | 154.954316 (22) |
| 68.6 | ms | -42,554 (20) | 7,987.5 (1.3) | A | 88 4 |
156Lu | 155.953033 (79) |
| 494 | ms | -43,750 (74) | 7,995.7 (4.7) | A | ? |
157Lu | 156.950098 (20) |
| 6.8 | s | -46,483 (19) | 8,013.6 (1.2) | B+ ? |
|
158Lu | 157.949313 (16) |
| 10.6 | s | -47,214 (15) | 8,018.58 (9.6) | B+ | 99.09 20 |
159Lu | 158.946629 (40) |
| 12.1 | s | -49,715 (38) | 8,034.6 (2.4) | B+~100 |
|
160Lu | 159.946033 (61) |
| 36.1 | s | -50,270 (57) | 8,038.3 (3.6) | B+ | 100 |
161Lu | 160.943572 (30) |
| 77 | s | -52,562 (28) | 8,052.8 (1.7) | B+ | 100 |
162Lu | 161.943277 (81) |
| 1.37 | m | -52,837 (75) | 8,054.6 (4.6) | B+ | 100 |
163Lu | 162.941179 (30) |
| 3.97 | m | -54,791 (28) | 8,066.7 (1.7) | B+ | 100 |
164Lu | 163.941339 (30) |
| 3.14 | m | -54,642 (28) | 8,065.8 (1.7) | B+ | 100 |
165Lu | 164.939407 (28) |
| 10.74 | m | -56,442 (27) | 8,076.7 (1.6) | B+ | 100 |
166Lu | 165.939859 (32) |
| 2.65 | m | -56,021 (30) | 8,074.2 (1.8) | B+ | 100 |
167Lu | 166.938270 (34) |
| 51.5 | m | -57,501 (32) | 8,083.0 (1.9) | B+ | 100 |
168Lu | 167.938739 (50) |
| 5.5 | m | -57,064 (47) | 8,080.4 (2.8) | B+ | 100 |
169Lu | 168.9376514 (57) |
| 34.06 | h | -58,077.3 (5.3) | 8,086.29 (3.1) | B+ | |
170Lu | 169.938475 (18) |
| 2.012 | d | -57,310 (17) | 8,081.7 (1) | B+ | 100 |
171Lu | 170.9379131 (30) |
| 8.24 | d | -57,833.5 (2.8) | 8,084.69 (1.6) | B+ | 100 |
172Lu | 171.9390857 (32) |
| 6.7 | d | -56,741.3 (3) | 8,078.26 (1.7) | B+ | 100 |
173Lu | 172.9389306 (26) |
| 1.37 | y | -56,885.8 (2.4) | 8,079.06 (1.4) | EC | 100 |
174Lu | 173.9403375 (26) |
| 3.31 | y | -55,575.3 (2.4) | 8,071.48 (1.4) | B+ | 100 |
175Lu | 174.9407718 (23) | 97.41 (2) | stable |
| -55,170.7 (2.2) | 8,069.17 (1.2) |
|
|
176Lu | 175.9426863 (23) | 2.59 (2) | 38.5 | Gy | -53,387.4 (2.2) | 8,059.05 (1.2) |
|
|
177Lu | 176.9437581 (23) |
| 6.647 | d | -52,389.0 (2.2) | 8,053.48 (1.2) | B- | 100 |
178Lu | 177.9459546 (31) |
| 28.4 | m | -50,343.0 (2.9) | 8,042.08 (1.6) | B- | 100 |
179Lu | 178.9473274 (59) |
| 4.59 | h | -49,064.2 (5.5) | 8,035.10 (3) | B- | 100 |
180Lu | 179.949881 (76) |
| 5.7 | m | -46,685 (71) | 8,022.1 (3.9) | B- | 100 |
181Lu | 180.95197 (32) |
| 3.5 | m | -44,740 (300) | 8,012 (2) | B- | 100 |
182Lu | 181.95504 (21) |
| 2 | m | -41,880 (200) | 7,996 (1) | B- | 100 |
183Lu | 182.95757 (32) |
| 58 | s | -39,520 (300) | 7,984 (2) | B- | 100 |
184Lu | 183.96091 (43) |
| 20 | s | -36,410 (400) | 7,967 (2) | B- | 100 |
150mLu | 149.97323 (54) |
| 80 | us | -24,940 (500) | 7,867 (3) | p~100 |
|
151mLu | 150.96758 (43) |
| 16 | us | -30,200 (400) | 7,903 (3) | p | ? |
153mLu | 152.95877 (22) |
| 1 | s | -38,410 (210) | 7,959 (1.4) | B+ ? |
|
154mLu | 153.95752 (22) |
| 1.12 | s | -39,570 (200) | 7,968 (1) | B+~100 |
|
155mLu | 154.954316 (22) |
| 138 | ms | -42,554 (20) | 7,987.5 (1.3) | A | 76 16 |
156mLu | 155.953033 (79) |
| 198 | ms | -43,750 (74) | 7,995.7 (4.7) | A | 94 6 |
157mLu | 156.950098 (20) |
| 4.79 | s | -46,483 (19) | 8,013.6 (1.2) | B+ | ? |
159mLu | 158.946629 (40) |
| 10 | s | -49,715 (38) | 8,034.6 (2.4) | B+ ? |
|
160mLu | 159.946033 (61) |
| 40 | s | -50,270 (57) | 8,038.3 (3.6) | B+~100 |
|
161mLu | 160.943572 (30) |
| 7.3 | ms | -52,562 (28) | 8,052.8 (1.7) | IT | 100 |
162mLu | 161.943277 (81) |
| 1.5 | m | -52,837 (75) | 8,054.6 (4.6) | B+~100 |
|
166mLu | 165.939859 (32) |
| 1.41 | m | -56,021 (30) | 8,074.2 (1.8) | B+ | 58 5 |
167mLu | 166.938270 (34) |
| >1 | m | -57,501 (32) | 8,083.0 (1.9) | IT ? |
|
168mLu | 167.938739 (50) |
| 6.7 | m | -57,064 (47) | 8,080.4 (2.8) | B+>95 |
|
169mLu | 168.9376514 (57) |
| 160 | s | -58,077.3 (5.3) | 8,086.29 (3.1) | IT | 100 |
170mLu | 169.938475 (18) |
| 670 | ms | -57,310 (17) | 8,081.7 (1) | IT | 100 |
171mLu | 170.9379131 (30) |
| 79 | s | -57,833.5 (2.8) | 8,084.69 (1.6) | IT | 100 |
172mLu | 171.9390857 (32) |
| 3.7 | m | -56,741.3 (3) | 8,078.26 (1.7) | IT | 100 |
173mLu | 172.9389306 (26) |
| 74.2 | us | -56,885.8 (2.4) | 8,079.06 (1.4) | 0 |
|
174mLu | 173.9403375 (26) |
| 142 | d | -55,575.3 (2.4) | 8,071.48 (1.4) | IT | 99.38 2 |
175mLu | 174.9407718 (23) |
| 930 | us | -55,170.7 (2.2) | 8,069.17 (1.2) | IT | 100 |
176mLu | 175.9426863 (23) |
| 3.664 | h | -53,387.4 (2.2) | 8,059.05 (1.2) | B-~100 |
|
177mLu | 176.9437581 (23) |
| 160.44 | d | -52,389.0 (2.2) | 8,053.48 (1.2) | B- | 78.6 8 |
178mLu | 177.9459546 (31) |
| 23.1 | m | -50,343.0 (2.9) | 8,042.08 (1.6) | B- | 100 |
179mLu | 178.9473274 (59) |
| 3.1 | ms | -49,064.2 (5.5) | 8,035.10 (3) | IT | 100 |
180mLu | 179.949881 (76) |
| ~1 | s | -46,685 (71) | 8,022.1 (3.9) | B- ? |
|
184mLu | 183.96091 (43) |
| ~20 | s | -36,410 (400) | 7,967 (2) | 0 |
|
153m1Lu | 152.95877 (22) |
| 15 | us | -38,410 (210) | 7,959 (1.4) | 0 |
|
154m1Lu | 153.95752 (22) |
| 35 | us | -39,570 (200) | 7,968 (1) | IT | 100 |
155m1Lu | 154.954316 (22) |
| 2.7 | ms | -42,554 (20) | 7,987.5 (1.3) | A~100 |
|
162m1Lu | 161.943277 (81) |
| 1.9 | m | -52,837 (75) | 8,054.6 (4.6) | B+~100 |
|
166m1Lu | 165.939859 (32) |
| 2.12 | m | -56,021 (30) | 8,074.2 (1.8) | B+>80 |
|
172m1Lu | 171.9390857 (32) |
| 440 | us | -56,741.3 (3) | 8,078.26 (1.7) | 0 |
|
177m1Lu | 176.9437581 (23) |
| 7 | m | -52,389.0 (2.2) | 8,053.48 (1.2) | B- | ? |
177m2Lu | 176.9437581 (23) |
| 130 | ns | -52,389.0 (2.2) | 8,053.48 (1.2) | IT | 100 |
177m3Lu | 176.9437581 (23) |
| 155 | us | -52,389.0 (2.2) | 8,053.48 (1.2) | IT | 100 |
Data Source: ENSDF March 2005
©Radiochemistry Society 2005