Neon-21 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
Ne-21	3/2	0.257	10.155	2.50E-3	6.43E-6	7.894	Ne gas

Susanna K. Ahola, Petri Ingman, Reino Laatikainen, Jari Sinkkonen, and Jukka Jokisaari
²¹Ne and ¹³¹Xe NMR study of electric field gradients and multinuclear NMR study of the composition of a ferroelectric liquid crystal,
J. Chem. Phys. 149, 234901-7pp (2018).
Abstract
M. Ylihautala, J. Lounila, and J. Jokisaari
Nuclear magnetic shielding of noble gases in an anisotropic environment: ²¹Ne and ¹²⁹Xe in a liquid crystal,
Chem. Phys. Lett. 301, 153-158 (1999).