Synthesis and Structural Studies of a New Complex of Di[hexabromobismuthate (III)] 2,5-Propylaminepyrazinium [C₁₀H₂₈N₄]Bi₂Br₁₀

Table 4

Infrared bands observed and assigned to vibration modes for C₁₀H₂₈N₄Bi₂Br₁₀.

Observed frequencies (cm^−1)	Attributions
3470	Stretching (N–H)
2925	Stretching (C–H)
1640	Bending (N–H)
1389	Bending (C–H) and stretching (C–C)
1114	Stretching (C–N)