Antimony-121 and antimony-123 NMR references

Isotope	Spin	Natural abundance (%)	Quadrupole moment (10^-30m²)	Relative sensitivity	Absolute sensitivity	NMR frequency (MHz) at a field of 2.3488T	Reference sample
Sb-121	5/2	57.25	-36.0	0.16	9.16E-2	-23.930	KSbCl₆
Sb-123	7/2	42.75	-49.0	4.57E-2	1.95E-2	-12.959

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