Tetrahedral symmetry, tetrahedral interstitial site, bond angle in methane, diamond cubic, silicon
Channel: Scott Ramsay
Date: 2023-08-05

Description of the tetrahedral symmetry found in the tetrahedral interstitial site, methane, diamond cubic, etc. I show how I like to approach this important piece of geometry by fitting it within a cube.  As an example, I show how you can quickly calculate the C-C bond angle from this approach.