In a tetrahedral the four groups of electrons around the central atom are as far apart as possible. The angles between the groups of electrons in a tetrahedral are each 109.5o.
Carbon tetraiodide (CI4) is an example of a molecule characterized by tetrahedral electron pair geometry. It is composed of one carbon and four iodine atoms positioned at the corners of a tetrahedron. In the following structural formula of carbon tetraiodide arrows are pointing to the four groups of electrons around the central carbon atom.
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| Molecular model of carbon tetraiodide | Animated model of carbon tetraiodide |
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| Structural formula of carbon tetraiodide |
