https://www.acsh.org/news/2025/06/27/perfect-rocket-fuel-no-fires-no-chemicals-just-energy-49569



https://www.nature.com/articles/s41586-025-09032-9

According to CCSD(T)/cc-pVTZ (ΔH0) computations, the decomposition of N6 into three N2 is exothermic (ΔH0) by 185.2 kcal mol−1, which is 2.2 and 1.9 times higher than the decomposition enthalpies of TNT (2,4,6-trinitrotoluene) and HMX (1,3,5,7-tetranitro-1,3,5,7-tetrazocane, octogen) by weight50 (see the ‘Computational details’ section in Methods).

 

To me the real question is how do you make something like this?

 

The release of energy when Acetylene (C2H2) turns into benzene (C6H6) seems quite similar in concept.

 

https://www.acsh.org/news/2025/06/27/perfect-rocket-fuel-no-fires-no-chemicals-just-energy-49569

View attachment 353571

https://www.nature.com/articles/s41586-025-09032-9

According to CCSD(T)/cc-pVTZ (ΔH0) computations, the decomposition of N6 into three N2 is exothermic (ΔH0) by 185.2 kcal mol−1, which is 2.2 and 1.9 times higher than the decomposition enthalpies of TNT (2,4,6-trinitrotoluene) and HMX (1,3,5,7-tetranitro-1,3,5,7-tetrazocane, octogen) by weight50 (see the ‘Computational details’ section in Methods).

Neat.

 

To me the real question is how do you make something like this?

The nature link explains that for lab sized quantities.

Synthesis details
Warning! Silver azide and halogen azides are extremely hazardous and explosive. Such compounds should be handled with utmost care and only in very small quantities (<5 mmol). Appropriate safety precautions (blast screens, face shields, Kevlar gloves, soundproof earmuffs and protective leather clothing) are necessary. Make sure to eliminate static electricity before handling. It is also crucial to avoid friction and light exposure and prevent any contact with metals during sample handling to ensure safety.

I expect to see one of crazy you-tubers try to make a sample. Like many other possible "rocket fuels", it might not be worth the effort.