Table 1. Selected Bond Lengths (Å) and Bond Angles (deg) for 1.

bond lengths		bond angles
Al1–Cl1	2.143(1)	N1–Al1–N8	165.22(1)
Al1–N1/Al1–N8	1.999(4)/2.007(4)	N1–Al–Cl1/N8–Al–Cl1	97.72(1)/97.03(1)
Al1–N4/Al1–N5	1.923(3)/1.921(3)	N1–Al1–N4/N8–Al1–N5	81.29(1)/81.89(1)
N1–N2/N7–N8	1.316(4)/1.307(4)	N1–Al1–N5/N8–Al1–N4	90.00(1)/89.18(1)
N3–N4/N5–N6	1.320(5)/1.322(4)	Cl1–Al–N4/Cl1–Al–N5	127.10(1)/126.25(1)
		N4–Al–N5	106.65(1)