![]() More about VSEPR and the molecular geometry of XeF 4: See more about about concept in the FAQs below. This means that the ELECTRONIC geometry is octahedral, even though the MOLECULAR geometry of XeF 4 is square planar. The lone pairs of the molecule resides in both of the axial positions, above and below the square as shown below. Below is a diagram which will explain this more. The only bond angles in this molecule are the F-Xe-F angles, as each F-Xe-F bond angle is the same as all of the others. Bond angles help show molecular geometry of XeF 4 As you can see from the chart, the AX 4E 2 molecule is square planar. Step 3: Use the VSEPR table to determine the geometry of XeF 4. ![]() Step 2: Apply the VSEPR notation to the molecule.įor this one, we can see that it has one central atom (Xe), four surrounding atoms (F), and two lone pairs of electrons around the central atom, making it AX 4E 2. It is different because xenon is hypervalent, and has four bonds and two lone pairs for an “octet” of 12. Step 1: Determine the Lewis structure of the molecule.įor XeF 4, it is as shown below: For a full-explanation of how to figure out the Lewis structure, please go to Lewis Structure of XeF 4. There is an easy three-step process for determining the geometry of molecules with one central atom. XeF 4 looks like this: How do you find the molecular geometry of XeF 4? Hence, the molecular geometry of XeF 4 has only 90 degree bond angles in the molecule. The molecular shape of XeF 4 is square planar, or AX 4E 2 using Valence Shell Electron Pair Repulsion (VSEPR) theory.
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