seesaw
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Re: seesaw
The formula for seesaw is AX4E where there are 4 bonds and one lone pair. The bond from trigonal bipyramidal that is selected as a lone pair must be on the equitorial plane so there is less repulsion, making it more stable.
Re: seesaw
A molecule with a seesaw molecular geometry means that the molecule has four bonding pairs and one lone pair.
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Re: seesaw
Essentially this is when there are 4 bonds to a central atom and a lone pair. (AX4E). This can also be called sawhorse though.
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Re: seesaw
A seesaw shape is when there are 4 bonding pairs and 1 lone pair (AX4E). For example, sulfur tetrafluoride, SF4, would have a seesaw shape.
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Re: seesaw
If you're a visual learner like I am, here's the image for SF4, AX4E with 4 bonding pairs and 1 lone pair:


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