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

bond lengths (Å)	1	bond angles (°)	1
Ba1–O3	2.588(2)	O3i–Ba1–O3	74.41(7)
Ba1–O3i	2.585(2)	O3i–Ba1–N2i	61.63(7)
Ba1–O1	2.638(2)	N2i–Ba1–N3i	61.78(8)
Ba1–O2	2.603(2)	O3–Ba1–N1	60.98(7)
Ba1–N2i	2.928(3)	O1–Ba1–O2	65.82(7)
Ba1–N3i	2.959(3)	Ba1–O3–Ba1i	105.59(7)
Ba1–N1	2.969(3)
Ba1–Ba1i	4.112(8)