Fig. 4



Optimized ground state structures of PTR and PT1-PT7. Atoms are represented as follows: red for oxygen, blue for nitrogen, yellow for sulfur, green for chlorine, sky blue for fluorine, black for carbon, and gray for hydrogen.



Optimized ground state structures of PTR and PT1-PT7. Atoms are represented as follows: red for oxygen, blue for nitrogen, yellow for sulfur, green for chlorine, sky blue for fluorine, black for carbon, and gray for hydrogen.