Table 3.

Analytical data on compounds 6 and 7 (M=Sn, Pb; X=Cl, Br).

	6	7
d(C−P) [pm]	179.9(4)–180.1(5)	179.6(3)–179.8(3)
d(P−M) [pm]	259.6(1)–266.3(2)	268.9(1)–276.8(1)
d(M−X) [pm]	251.5(2)–254.8(2)	280.0(1)–285.0(1)
∠(C‐P‐M) [°]	103.7(2)–111.9(2)	99.4(1)–119.3(1)
∠(P‐M‐P) [°]	71.9(1)–73.3(1)	73.6(1)–75.4(1)
Σ∠M	258.2–264.5	262.0–262.2
Σ∠P	303.7–309.9	297.9–319.3
δ(31P) [ppm]	−66.2	−47.6
1 J M−P [Hz]	997.8	1205.1