topochemistry: meaning, definition, pronunciation and examples

No. Solid-state chemistry is the broader study of the synthesis, structure, and properties of solid materials. Topochemistry is a sub-field focusing specifically on chemical reactions that are governed by the precise spatial arrangement of reactants in a solid.

The photodimerization of cinnamic acid derivatives in crystals. The reaction only occurs between specific, closely aligned molecules in the crystal lattice, yielding a product whose structure is predetermined by the crystal geometry.

It allows for the design of solid-state reactions with high specificity and yield, enabling the creation of new materials (like polymers or coordination networks) while preserving the ordered structure of the starting crystal, a process known as 'single-crystal-to-single-crystal transformation'.

It is far less common and defined. The concept relies on long-range, predictable order. In amorphous solids, while local environment affects reactivity, the lack of periodic structure makes it difficult to apply classic topochemical principles, which are based on crystallography.

The branch of chemistry concerned with the spatial arrangement of atoms and molecules in a solid and the chemical reactions that are dependent on that specific arrangement.

Topochemistry is usually academic, scientific, highly technical in register.

Topochemistry: in British English it is pronounced /ˌtɒp.əʊˈkem.ɪ.stri/, and in American English it is pronounced /ˌtɑː.poʊˈkem.ɪ.stri/. Tap the audio buttons above to hear it.