Table 6.

Calculation of the WS2 d₂₂₀ value.

NW04 d220 t = 22.5 °C, p = 0 Pa	192.015 569 6(10) × 10−12 m
(dWS2 − dNW04)/dNW04	−23(5) × 10−9
(dWS2 − dNW04)/dNW04 (combined uncertainty)	−23(26) × 10−9
WS2 d220 t = 22.5 °C, p = 0 Pa	192.015 565 1(50) × 10−12 m