C5H11R

C5H11R represents a general chemical formula for a saturated hydrocarbon containing five carbon atoms, eleven hydrogen atoms, and one additional substituent denoted by 'R'. The 'R' group can be a halogen atom (such as fluorine, chlorine, bromine, or iodine), a hydroxyl group (-OH), an alkyl group, or any other univalent functional group. The core C5H11 structure itself corresponds to a pentyl or isopentyl radical, depending on the arrangement of the carbon atoms.

When 'R' is a halogen, the resulting compounds are halopentanes. For example, if R is chlorine, the formula would be C5H11Cl, representing various isomeric chloropentanes like 1-chloropentane, 2-chloropentane, or chloroisopentane. These are generally colorless liquids with varying boiling points and solubilities.

If 'R' is a hydroxyl group, the formula becomes C5H11OH, which denotes pentanols or amyl alcohols. These are alcohols with five carbon atoms and are a class of organic compounds. Examples include 1-pentanol, 2-pentanol, and various isomers of amyl alcohol. They are typically liquids with characteristic alcohol odors and are used as solvents and in the synthesis of other organic compounds.

The exact properties and applications of a compound with the formula C5H11R are entirely dependent on the specific identity of the 'R' group and the arrangement of the carbon chain. Without further specification of 'R', C5H11R remains a broad representation of a wide range of organic molecules.