The molecular shape is trigonal bipyramidal. Molecular geometry studies the three-dimensional shapes molecules form and how these shapes relate to chemical reactivity and physical characteristics. Even though molecular geometry does not describe the location of the lone pairs, the. molecules in which the central atom has no lone pairs. A molecule’s shape strongly affects its physical properties and the way it interacts with other molecules, and plays an important role in the way that biological molecules (proteins, enzymes, DNA, etc.) interact with each other. Therefore, the molecule adopts whichever 3D geometry. Sulphur forms four single bonds and one lone pair. Molecular geometry describes the location of the atoms, not the lone pairs. Drawing a Lewis structure is the first steps towards predicting the three-dimensional shape of a molecule.
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