Zwitterion Jammer
Colloidal Nanocrystal

jammed (solid-like)
unjammed (liquid-like)

Guiding Kinetic Trajectories Between Jammed and Unjammed States in 2D Colloidal Nanocrystal–Polymer Assemblies

https://advances.sciencemag.org/content/4/8/eaap8045

https://flexbooks.ck12.org/cbook/ck-12-middle-school-physical-science-flexbook-2.0/section/6.1/primary/lesson/carbon-bonding-ms-ps

..

https://en.m.wikipedia.org/wiki/Hydrocarbon

https://en.m.wikipedia.org/wiki/Carbon%E2%80%93hydrogen_bond

https://en.m.wikipedia.org/wiki/Carbon%E2%80%93hydrogen_bond_activation