(Polar molecules, Non-polar molecules, etc.)
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Because there are five regions of electron density (three bonded atoms and two lone pairs), the electron geometry for ICL3 is trigonal bipyramidal. Since there are two lone pairs, it takes the positions on the equatorial axis instead of the axial axis (which is where your confusion occurs). Hence, the molecular geometry of ICL3 is T-shaped.
Well if the lone pairs weren't taken into account then it could just be trigonal planar but I think those two extra lone pairs on the iodine cause the chloride ions to have a bond angle of 90 degrees rather than 120 degrees.
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