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Figure 1 View of the trinuclear cation in (I) at the 50% ellipsoid probability level. Hydrogen atoms are shown as spheres of arbitrary radius. Symmetry codes: (i) 1-y, x-y, z; (ii) 1-x + y, 1-x, z; (iii) x-y + , 2/3-y, 1/6-z; (iv) 4/3-x, 2/3-x + y,1/6-z; (v) + y,x − 1/3,1/6-z. |