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Figure 2
Ball-and-stick model (left: side view; right: front view) of the the first, seesaw coordination sphere of the bivalent tin atom Sn2 of the cation, highlighting selected bond lengths (Å) and angles (°). With the exception of the H atoms, which are shown as spheres of arbitrary radius, all other atoms are drawn with displacement ellipsoids at the 50% probability level. For clarity, only the carbon atoms between the two nitrogen atoms of the bipyridine ligand are shown, the position of all other carbon atoms are indicated as shortened sticks. Axial bonds are drawn as sticks of reduced thickness in order to underline the presence of a 3c–4e bond. |
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