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The "steric influence" (or "bulk") of groups on a cyclohexane is quantified by measuring the equilibrium btw axial and equatorial. This is the "A-value"
Antiperiplanar Relationships: The E2 Reaction and Cyclohexane Rings
Should I memorize A-values? : r/chemistry
Steric Size in Conformational Analysis. Steric Compression Analyzed by Circular Dichroism Spectroscopy
PDF) Experimental determination of the conformational free energies (A values) of fluorinated substituents in cyclohexane by dynamic 19F NMR spectroscopy. Part 1. Description of the method for the trifluoromethyl group
A value - Wikipedia
Should I memorize A-values? : r/chemistry
Types of Isomers: Constitutional, Stereoisomers, Enantiomers, and
3.12: Substituted Cycloalkanes - Chemistry LibreTexts
Cyclohexane Chair Conformation Stability: Which One Is Lower Energy?
Solved A-values represent the amount of energy required to
Axial–equatorial equilibrium in substituted cyclohexanes: a DFT perspective on a small but complex problem - Physical Chemistry Chemical Physics (RSC Publishing) DOI:10.1039/D3CP06141H
4.1: Cyclohexane Ring Conformations - Chemistry LibreTexts
Diastereotopic Protons in 1H NMR Spectroscopy: Examples
Conformational isomerism - Wikipedia
The Intramolecular Diels Alder Reaction – Master Organic Chemistry