{
  "name": "Molecules on this site: size across the nuclei and across the van der Waals outline",
  "desc": "Water, carbon dioxide, acetylsalicylic acid, a twelve-base-pair DNA crystal and the sodium chloride crystal, each measured across its nuclei and across its van der Waals outline; one size per row, each marked measured or computed, with the file it comes from.",
  "lic": "CC BY 4.0",
  "lic_url": "https://creativecommons.org/licenses/by/4.0/",
  "by": "Ants, Cells & Atoms",
  "url": "https://antscellsandatoms.com/molecules/the-stick-fiction/",
  "from": [
    "media/molecule-identity.csv (shared file)",
    "media/water-geometry.csv (shared file)",
    "media/the-stick-fiction-shapes.csv",
    "media/aspirin-conformer.csv (acetylsalicylic acid page)",
    "media/dna-length-helix-geometry.csv (How Long Is DNA page)",
    "media/sodium-chloride-lattice.csv (sodium chloride page)"
  ],
  "how": "Compiled by Ants, Cells & Atoms from the data listed",
  "data_by": [
    "Equilibrium geometry of water from Hoy & Bunker 1979, J. Mol. Spectrosc. 74:1, and of carbon dioxide from Herzberg 1966, as listed by NIST CCCBDB Release 22 (SRD 101), retrieved 2026-10-24",
    "Van der Waals radii H 120 pm, C 170 pm, N 155 pm, O 152 pm, P 180 pm as listed by PubChem element records 1, 6, 7, 8 and 15, retrieved 2026-10-24 and 2026-10-25",
    "Acetylsalicylic acid: Wikidata Q18216 canonical SMILES (P233), CC0, with bond lengths and angles of benzene, phenol, acetic acid and methyl formate from NIST CCCBDB Release 22 (SRD 101), retrieved 2026-10-24",
    "DNA: RCSB PDB 1BNA, CC0, coordinates from Drew HR, Wing RM, Takano T, Broka C, Tanaka S, Itakura K, Dickerson RE 1981, Proceedings of the National Academy of Sciences 78(4):2179–2183, https://doi.org/10.2210/pdb1bna/pdb, retrieved 2026-10-25",
    "Sodium chloride: Crystallography Open Database records 2108652, 4300180 and 4320809, CC0, as listed in PubChem CID 5234, retrieved 2026-10-24",
    "Sizes computed 2026-10-24 and 2026-10-25 on the pages named in each row; copied into this table 2026-10-25"
  ]
}