I know a lot of people don't have access to these journals, so I try and avoid links to walled content, but there's a review article on fenestranes and planar carbon in Chemical Reviews some might enjoy. Check out "Carbon Flatland: Planar Tetracoordinate Carbon and Fenestranes."
Check out the Fenestrane/Windowpane entry again if you like.
Have a good weekend.
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Like cubane, windowpane (also named "[4.4.4.4]fenestrane" for the Latin for window) is another of those compounds people like because it looks like something anthropomorphic, with clean right angles (in contrast to the bulk of molecules, which assume their bond angles with little regard for what
For a better idea of how the bond angles look, here is an energy-minimized structure of windowpane (4.4.4.4). Notice how it's (nearly) planar.
Those of a certain age know that the term "windowpane" has been used to refer to a different organic molecule.
I just wanted to let you know that as a high school chemistry teacher and that your website is a valuable resource. I used your blog posts as interesting chemical tid bits all the time. Thank you so much for writing such a fascinating, accessible blog.