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Caption : figure s 1: (a) packing structure of 4-bapc including the hydrogen bonds viewed along the b direction, (b) hydrogen bonds type one, and (c) hydrogen bonds type two.

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Caption : figure s 2: π…br interactions within the hybrid structure with the c…br short contacts mapped on the hirshfeld surfaces.

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Caption : figure s 3: (a): hirshfeld surfaces of the different organic molecules mapped with shap index (black circles indicate c…h short contacts) and (b): c-h…π interactions between the organic moieties. 

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Caption : figure s 4: infrared spectrum of 4-bapc in the range of 450-4000 cm-1. 

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Caption : figure s 5: simultaneous thermogravimetric analysis and differential thermal analysis scan for (c6h7nbr)3[cdbr5].

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Caption : figure s 6: zoomed band structure.

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Caption : figure s 7: visualization of c…br (a) and c…h (b) contacts, within the pur organic compound c6h6brn, on the hirshfeld surface and (c): different c-h…π and n-h…π interactions wihin the organic crystal c6h6brn.

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Caption : figure s 8: multi-peaks fitting of the pl spectra of (c6h7brn)+∙br- salt (λexc=200 nm)