NMR Spectroscopy

Magnetic Properties of Lanthanide Nuclei

Group	Element Symbol	Atomic Mass	Natural Abundance	Frequency at 2.349 T	NMR Sensitivity	Spin (I)	Electric Moment (Q)
			(%)	MHz	(1H=100)	(in hv)	(1024 cm-1)
Lanthanide	Pr	141	100.0	29.29	25.8	5/2	-0.41
	Nd	143	12.2	5.44	5.49	7/2	-0.56
	Nd	145	8.3	3.35	1.33	7/2	-0.29
	Sm	147	15.07	4.13	0.88	7/2	-0.18
	Sm	149	13.84	3.29	0.47	7/2	0.056
	Eu	151	47.77	24.80	17.5	5/2	1.53
	Eu	153	52.23	10.95	1.51	5/2	3.92
	Gd	155	14.73	3.82		3/2	1.3
	Gd	157	15.68	4.77		3/2	1.34
	Tb	159	100.0	22.68	2.99	3/2	1.34
	Dy	161	18.88	3.29	0.0235	5/2	2.47
	Dy	163	2.49	4.58	0.0638	5/2	2.51
	Ho	165	100.0	20.51	10.2	7/2	2.73
	Er	167	22.82	2.89	0.031	7/2	2.827
	Tm	169	100.0	8.271	0.0551	1/2	---
	Yb	171	14.27	17.61	0.550	1/2	---
	Yb	173	16.08	4.85	0.133	5/2	2.8
	Lu	175	97.40	11.41	3.12	7/2	5.68
	Lu	176	2.60	7.93	11.0	7	8.0
Actin	U	235	0.71	1.8	0.0121	7/2	4.3
Group	Element Symbol	Atomic Mass	Natural Abundance	Frequency at 2.349 T	NMR Sensitivity	Spin (I)	Electric Moment (Q)

¹Gyromagnetic ratio is negative.