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Tetrel bond plays an important role in crystal materials,chemical reactions,and biological systems.[1,2] In the present study,the complexes X–…pyrazine/1,4-dicyanobenzene…TH3F/F2TO(X = F,Cl,Br; T = C and Si)have been used to study the interplay between the anion-π and π-tetrel bond or π-tetrel bond interactions in these complexes.