Niobium: Properties: Isotopes

Niobium: Properties

Isotopes

Natural
Abun. (%) Atomic
Mass Half-
life Decay Mode
/Energy (/MeV) Part. En.
/Intensity
(MeV/%) Cross-sect.
Ther. Neut.
(b) Spin
(h/2 pi) Magnetic
Dipl.Mom.
(nm) Electric
Quad. Mom.
(b) Gamma En.
/Intensity
(MeV/%)
⁸⁴Nb 83.93394 12s ß⁺,E.C./ 10 3⁺
⁸⁵Nb 84.92814 2.3m ß⁺/ 6.2
⁸⁶Nb 85.92531 1.46m ß⁺/ 8.4 rad. an.
0.751
1.003
^87mNb 3.7m ß⁺,E.C. 1/2^- rad. an.
0.1352
0.201
⁸⁷Nb 86.92037 2.6m ß⁺/ 5.2
E.C. 9/2⁺ rad. an.
0.201
0.4706
0.6165
1.0665
1.8842
^88mNb 7.7m ß⁺,E.C. 4^- rad. an.
0.2625
0.3996
1.0569
1.0825
⁸⁸Nb 87.91795 14.3m ß⁺/ 7.2
E.C. 3.2 8⁺ rad. an.
1.057
1.0828
0.07 - 2.5
^89mNb 2h ß⁺,E.C. 3.3 9/2⁺ 0.588/ 10
0.17 - 4
⁸⁹Nb 88.913449 1.1h ß⁺/ 4.29
E.C. 2.8 1/2^- rad. an.
0.5074
0.588
0.7696
1.2775
^90mNb 18.8s I.T./ 0.1246 4^- 0.002
0.1225
⁹⁰Nb 89.911263 14.6h ß⁺/ 6.111
E.C. 0.86/ 5
1.5/ 92 8⁺ 4.961 nm rad. an.
0.1412
1.1292
2.1862
2.3189
0.1 - 3.3
^91mNb 62d I.T.,E.C. 1/2^- 0.1045
1.205
⁹¹Nb 90.906991 700y E.C./ 1.254 9/2⁺ Mo k x rays
^92mNb 10.13d E.C. 2⁺ 6.114 nm 0.9126
0.9345
1.8475
⁹²Nb 91.907192 3.7x10⁷y E.C./ 2.006 7⁺ 0.5611
0.9345
^93mNb 16.1y I.T./ 0.0304 1/2^- Ni k x rays
0.0304
⁹³Nb 100 % 92.906377 1.1 b 9/2⁺ 6.1705 nm -0.32 b
^94mNb 6.26m I.T./ 2.086
ß^- 3⁺ Ni k x rays
0.0409
0.87109
⁹⁴Nb 93.90728 2.4x10⁴y ß^-/ 2.045 0.47 6⁺ 0.70263
0.87109
^95mNb 3.61d I.T./ 0.2357
ß^- 1/2^- 0.204
0.2356
⁹⁵Nb 94.906835 34.97d ß^-/ 0.926 0.16 <7 b 9/2⁺ 6.141 nm 0.76578
⁹⁶Nb 95.9081 23.4h ß^-/ 3.187 0.5/ 10
0.75/ 90 6⁺ 4.976 nm 0.7782
0.2191 - 1.498
^97mNb 58.1s I.T./ 0.7434 0.734/ 98 1/2^- 0.7434
⁹⁷Nb 96.908096 1.23h ß^-/ 1.934 1.27/ 98 9/2⁺ 7.3 nm 0.4809
0.6579
0.7874
0.1726 - 1.89
⁹⁸Nb 97.91033 2.9s ß^-/ 4.59 4.6 1⁺ 0.6451
0.7874
1.0243
^99mNb 2.6m ß^- 3.2 1/2^- 0.0978/ 100
0.138 - 3.01
⁹⁹Nb 98.911619 15s ß^-/ 3.64 3.5/ 100 9/2⁺ 0.0977
0.1378
^100mNb 3s ß^-/ 6.74 5.8 Ni k x rays
0.159
0.6364
1.0637
¹⁰⁰Nb 99.91418 1.5s ß^-/ 6.26 6.2
5.3 0.5354
0.6001 - 1.566
¹⁰¹Nb 100.91532 7.1s ß^-/ 4.56 4.3 0.1105 - 0.81
^102mNb 4.3s ß^-
¹⁰²Nb 101.91804 1.3s ß^-/ 7.2 7.2 0.296 - 2.184
¹⁰³Nb 102.91937 1.5s ß^-/ 5.5 5.3 5/2⁺
^104mNb 0.9s ß^-
¹⁰⁴Nb 103.92243 4.8s ß^-/ 8.1
¹⁰⁵Nb 104.92384 3s ß^-/ 6.4
¹⁰⁶Nb 105.92776 1s ß^-/ 9

	Natural Abun. (%)	Atomic Mass	Half- life	Decay Mode /Energy (/MeV)	Part. En. /Intensity (MeV/%)	Cross-sect. Ther. Neut. (b)	Spin (h/2 pi)	Magnetic Dipl.Mom. (nm)	Electric Quad. Mom. (b)	Gamma En. /Intensity (MeV/%)
⁸⁴Nb		83.93394	12s	ß⁺,E.C./ 10			3⁺
⁸⁵Nb		84.92814	2.3m	ß⁺/ 6.2
⁸⁶Nb		85.92531	1.46m	ß⁺/ 8.4						rad. an. 0.751 1.003
^87mNb			3.7m	ß⁺,E.C.			1/2^-			rad. an. 0.1352 0.201
⁸⁷Nb		86.92037	2.6m	ß⁺/ 5.2 E.C.			9/2⁺			rad. an. 0.201 0.4706 0.6165 1.0665 1.8842
^88mNb			7.7m	ß⁺,E.C.			4^-			rad. an. 0.2625 0.3996 1.0569 1.0825
⁸⁸Nb		87.91795	14.3m	ß⁺/ 7.2 E.C.	3.2		8⁺			rad. an. 1.057 1.0828 0.07 - 2.5
^89mNb			2h	ß⁺,E.C.	3.3		9/2⁺			0.588/ 10 0.17 - 4
⁸⁹Nb		88.913449	1.1h	ß⁺/ 4.29 E.C.	2.8		1/2^-			rad. an. 0.5074 0.588 0.7696 1.2775
^90mNb			18.8s	I.T./ 0.1246			4^-			0.002 0.1225
⁹⁰Nb		89.911263	14.6h	ß⁺/ 6.111 E.C.	0.86/ 5 1.5/ 92		8⁺	4.961 nm		rad. an. 0.1412 1.1292 2.1862 2.3189 0.1 - 3.3
^91mNb			62d	I.T.,E.C.			1/2^-			0.1045 1.205
⁹¹Nb		90.906991	700y	E.C./ 1.254			9/2⁺			Mo k x rays
^92mNb			10.13d	E.C.			2⁺	6.114 nm		0.9126 0.9345 1.8475
⁹²Nb		91.907192	3.7x10⁷y	E.C./ 2.006			7⁺			0.5611 0.9345
^93mNb			16.1y	I.T./ 0.0304			1/2^-			Ni k x rays 0.0304
⁹³Nb	100 %	92.906377				1.1 b	9/2⁺	6.1705 nm	-0.32 b
^94mNb			6.26m	I.T./ 2.086 ß^-			3⁺			Ni k x rays 0.0409 0.87109
⁹⁴Nb		93.90728	2.4x10⁴y	ß^-/ 2.045	0.47		6⁺			0.70263 0.87109
^95mNb			3.61d	I.T./ 0.2357 ß^-			1/2^-			0.204 0.2356
⁹⁵Nb		94.906835	34.97d	ß^-/ 0.926	0.16	<7 b	9/2⁺	6.141 nm		0.76578
⁹⁶Nb		95.9081	23.4h	ß^-/ 3.187	0.5/ 10 0.75/ 90		6⁺	4.976 nm		0.7782 0.2191 - 1.498
^97mNb			58.1s	I.T./ 0.7434	0.734/ 98		1/2^-			0.7434
⁹⁷Nb		96.908096	1.23h	ß^-/ 1.934	1.27/ 98		9/2⁺	7.3 nm		0.4809 0.6579 0.7874 0.1726 - 1.89
⁹⁸Nb		97.91033	2.9s	ß^-/ 4.59	4.6		1⁺			0.6451 0.7874 1.0243
^99mNb			2.6m	ß^-	3.2		1/2^-			0.0978/ 100 0.138 - 3.01
⁹⁹Nb		98.911619	15s	ß^-/ 3.64	3.5/ 100		9/2⁺			0.0977 0.1378
^100mNb			3s	ß^-/ 6.74	5.8					Ni k x rays 0.159 0.6364 1.0637
¹⁰⁰Nb		99.91418	1.5s	ß^-/ 6.26	6.2 5.3					0.5354 0.6001 - 1.566
¹⁰¹Nb		100.91532	7.1s	ß^-/ 4.56	4.3					0.1105 - 0.81
^102mNb			4.3s	ß^-
¹⁰²Nb		101.91804	1.3s	ß^-/ 7.2	7.2					0.296 - 2.184
¹⁰³Nb		102.91937	1.5s	ß^-/ 5.5	5.3		5/2⁺
^104mNb			0.9s	ß^-
¹⁰⁴Nb		103.92243	4.8s	ß^-/ 8.1
¹⁰⁵Nb		104.92384	3s	ß^-/ 6.4
¹⁰⁶Nb		105.92776	1s	ß^-/ 9