Question

How to draw the three types of molecular chain structures（α, β, γ phase） of PVDF?

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Answer 1

Answer:

It seems that your structure is disordered. For example, your carbon atom might have 60% probability at position A and 40% at position B. Thus you must identify your A and B structures built by both types (positions) of atoms. The corresponding (alternating) atoms are usually denoted by symbols A or B (or in a similar manner). Subsequently you must perform quantum-chemical calcuIations for each of the structures separately. If you have no experience in analysing disordered structures you should consult your X-ray experts.