Question

What is simple molecular lattice?

Answer 1

There is no such thing.

Answer 2

A compound bonded by covalent bonds can only have a simple molecular structure or a macromolecular lattice structure.

Answer 3

This website says otherwise,

"In the solid state, the molecules of an element or compound have a highly regular arrangement. This type of chemical structure is called a simple molecular lattice.Iodine provides an example of a simple molecular lattice..."

http://www.avogadro.co.uk/structure/chemstruc/molecular/molecular.htm