In context|chemistry|lang=en terms the difference between molecule and conformation
is that
molecule is (chemistry) the smallest particle of a specific element or compound that retains the chemical properties of that element or compound; two or more atoms held together by chemical bonds while
conformation is (chemistry) the spatial arrangement of the atoms in a molecule as a result of rotation about a single bond.
As nouns the difference between molecule and conformation
is that
molecule is (chemistry) the smallest particle of a specific element or compound that retains the chemical properties of that element or compound; two or more atoms held together by chemical bonds while
conformation is the act of conforming; the act of producing conformity.