Shielding difference of d and p in HD = 1.987 70 × 10−8 (dimensionless)

Value
1.987 70 × 10−8
Unit
(dimensionless)
Uncertainty
0.000 10 × 10⁻⁸
Copy-ready
1.98770e-8

The difference between the magnetic shielding of the deuteron and of the proton in the HD molecule.

Used to compare deuteron and proton magnetic moments measured in hydrogen-deuteride.

NIST, Fundamental Physical Constants — Complete Listing (2022 CODATA adjustment), retrieved 2026-07-26.

Magnetic moments, g-factors and gyromagnetic ratios

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