There are three geometrical isomers for the octahedral complex with metal M and four ligands A, B, C, and D.
Isomers are compounds that have the exact same number of atoms as one another, meaning they have the exact same empirical formula but differ from one another in terms of how the atoms are ordered.
The empirical formula, which is defined as the ratio of subscripts of the least whole number of the elements present in the formula, is the simplest formula for a compound. The simplest formula is another name for it. The formula of a material expressed with the smallest integer subscript is referred to as an empirical formula for a compound.
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