The difference in crystal structure between tungsten tetrabromide (WBr4) and tungsten pentabromide (WBr5) is mainly reflected in their chemical bond formation method and unit cell structure.
The crystal structure of tungsten tetrabromide is a layered structure in which tungsten atoms are located within the layers and bromine atoms are located between the layers. This layered structure is formed by alternating chemical bonds between tungsten atoms and bromine atoms.
The crystal structure of tungsten pentabromide is a polyhedral structure, in which tungsten atoms and bromine atoms form a regular tetrahedral structure. Five bromine atoms are coordinated around each tungsten atom to form a pentacoordinate structure, thus forming a polyhedral crystal structure.
Therefore, the difference in the crystal structure of tungsten tetrabromide and tungsten pentabromide mainly lies in the difference in the formation of chemical bonds and the structure of the unit cell, which reflects the difference in their spatial arrangement.
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