Ball and stick drawing of the X-ray crystallographic molecular structure of 2. Hydrogen atoms are omitted for clarity. Selected bond lengths [Å], bond angles [°], and dihedral angles [°]: Sn1-Si1 2.663(6), Sn1-Li1 2.764(19), Sn1-Li2 2.770(4), Sn2-Si3 2.651(7), Sn2-Li2 2.890(4), Sn2-Li3 2.860(2), Si2-Li1 2.700(2), Si2-Li3' 2.870(3), Li1-Li2 2.450(4), Li2-Li2' 2.970(3), Li2-Li3' 2.960(5), Si1'-Sn1-Si1 109.1(3), Si1-Sn1-Li1 83.0(5), Si1-Sn1-Li1' 114.1(6), Si1-Sn1-Li2' 110.2(5), Si1-Sn1-Li2 129.5(4), Li1-Sn1-Li1' 151.5(11), Li1-Sn1-Li2' 101.2(7), Li1-Sn1-Li2 52.4(7), Li2-Sn1-Li2' 64.7(12), Si3'-Sn2-Si3 109.8(4), Si3'-Sn2-Li2 128.9(4), Si3-Sn2-Li2 111.0(4), Si3-Sn2-Li3' 95.1(6), Si3-Sn2-Li3 85.1(5), Li2'-Sn2-Li2 61.8(10), Li3-Sn2-Li2' 62.0(7), Li3-Sn2-Li2 117.6(8), Li3'-Sn2-Li2 62.0(7), Li3'-Sn2-Li3 179.6(12), Li1-Si2-Li3' 97.6(8), Si2-Li1-Sn1 139.9(8), Li2-Li1-Sn1 64.0(8), Li2-Li1-Si2 77.2(9), Sn1-Li2-Sn2 116.8(5), Sn1-Li2-Li2' 57.7(6), Sn1-Li2-Li3' 154.7(9), Sn2-Li2-Li2' 59.1(5), Sn2-Li2-Li3' 58.5(9), Li1-Li2-Sn1 63.6(11), Li1-Li2-Sn2 135.1(12), Li1-Li2-Li2' 104.0(9), Li1-Li2-Li3' 101.2(10), Li3'-Li2-Li2' 112.0(8), Sn2-Li3-Si2' 125.2(10), Sn2-Li3-Li2' 59.5(7), Si2'-Li3-Li2' 66.9(8); Sn1-Li2-Sn2-Li2' 0.0(0).
