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

Table 2

Selected interatomic distances (Å) and angles (°) in the structure of C₁₀H₂₈N₄Bi₂Br₁₀.

(a) Octahedra BiBr₆

Bi–Br4	2.744 (2)	Br5–Bi–Br2	169.15 (6)
Bi–Br3	2.748 (3)	Br4–Bi–Br1	98.30 (6)
Bi–Br5	2.793 (2)	Br3–Bi–Br1	170.84 (6)
Bi–Br2	2.894 (2)	Br5–Bi–Br1	84.48 (7)
Bi–Br1	2.981 (4)	Br2–Bi–Br1	91.96 (6)
Bi–Br1^i	3.079 (2)	Br4–Bi–Br1^i	170.99 (5)
Br1–Bi^i	3.079 (2)	Br3–Bi–Br1^i	82.72 (6)
Br4–Bi–Br3	90.61 (7)	Br5–Bi–Br1^i	90.14 (6)
Br4–Bi–Br5	84.30 (6)	Br2–Bi–Br1^i	100.00 (6)
Br3–Bi–Br5	94.36 (7)	Br1–Bi–Br1^i	88.19 (5)
Br4–Bi–Br2	86.09 (6)	Bi–Br1–Bi^i	91.81 (5)
Br3–Bi–Br2	90.75 (7)

(b) Organic group

C1–N2	1.490 (2)	N2–C1–C2	111.30 (1)
C1–C2	1.500 (2)	C1–C2–C3	109.00 (1)
C2–C3	1.500 (2)	C2–C3–N1	113.30 (1)
C3–N1	1.501 (2)	N1–C4–C5^ii	113.60 (1)
C4–N1	1.454 (2)	N1–C5–C4^ii	112.50 (1)
C4–C5^ii	1.520 (2)	C4–N1–C3	115.10 (1)
C5–N1	1.510 (2)	C4–N1–C5	110.00 (1)
C5–C4^ii	1.520 (2)	C3–N1–C5	109.50 (1)

Symmetry codes: (i) – + 1, , + 2; (ii) – + 1, , + 1.