An organic compound's skeleton formula, also known as the line-angle formula or shorthand formula, is a type of molecular structural formula. A skeletal formula represents the skeletal framework or skeleton of a molecule, which is made up of its constituent skeletal atoms.
There are several ways of representing organic compounds. They include expanded formulas, condensed formulas, and carbon-skeleton formulas. They are easy to draw and represent the structures of the organic compounds. but The actual shapes are shown by ball and stick and space-filling models.
The expanded formulas include all the atoms carbon and hydrogen and their connecting bonds. For example, the expanded formula of butane . it shows all the carbon hydrogen bonding with proper detailing and separately .
The condensed formula includes carbon and hydrogen atoms but only linkage of carbon is shown. For example, the condensed structure of butane shown below :
CH3-CH2-CH2-CH3
The skeleton formula shows only the linkage of carbon without showing the atoms . it is only the line resenting of the structure . For example, the skeleton structure of butane.
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