Alternate Definitions for coordination environment

Definition: The arrangement of atoms surrounding a central atom in a crystalline structure.

Example: The titanium dioxide (TiO2) crystal exhibits a distorted tetrahedral coordination environment around the titanium ion.

Definition: What at atom "sees" in its vicinity, or how its nearby atomic neighbors are arranged. Often referred to by the shape created by the set of nearest neighbors.

Example: Atoms in the rock salt structure have an octahedral coordination environment