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PG5

PG5 is the largest stable synthetic molecule ever made up to 2010.[1][2] PG5 is a dendrimer designed by the organic chemistry research group working at the Federal Institute of Technology in Zürich.[3]

Properties

PG5 has a molecular mass of about 200 MDa or 200,000,000 grams (200,000 kg)/mol. It has roughly 17 million atoms and a diameter of about 10 nm. Its length is up to a few micrometers.[4] It is similar in size to a tobacco mosaic virus with comparable length and diameter. PG5 was shown to be resistant against attempts to flatten its structure, and it is one of the heaviest compounds in the world.[3]

Structure of PG5

References

  1. ^ Veldhuis, Djuke (7 January 2011). "Tree-like giant is largest molecule ever made". New Scientist. Retrieved 2021-05-09.
  2. ^ Zhang, Baozhong; Wepf, Roger; Fischer, Karl; Schmidt, Manfred; 10 others, and (2010). "The Largest Synthetic Structure with Molecular Precision: Towards a Molecular Object". Angewandte Chemie International Edition. 50 (3): 737–740. doi:10.1002/anie.201005164. PMID 21226166. Retrieved 29 March 2026.{{cite journal}}: CS1 maint: numeric names: authors list (link)
  3. ^ a b "The Largest Molecule Ever Made Could Be Used to Deliver Drugs". Popular Science. 2019-03-18. Retrieved 2021-05-09.
  4. ^ "The largest synthetic molecule". polychem.mat.ethz.ch. Archived from the original on June 30, 2016. Retrieved 2021-05-09.


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