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A capital R giving agreement as a fraction.
Also known as: R value crystallography, Reliability factor
The notation for the residual factor, a figure stating how well a refined crystal structure agrees with the measured data.
States how well a refined crystal structure agrees with the measured diffraction data.
Contexts: Laboratory
Exists in several variants distinguished by subscript, so two R factors quoted without their subscripts are not necessarily comparable.
Contexts: Laboratory
A capital letter followed by a decimal figure, sometimes carrying a subscript naming which variant is meant.