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Aug 28

COD 'Personal communication' deposits, 2011-2026 (all 194, dissection-ready)

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194 structures, 16 years: the COD's personal-communication channel is not a firehose
Every 'Personal communication to COD' deposit 2011-2026 read individually: 194 structures, three depositors are 62% of them, the symmetry distribution is ordinary experimental crystallography, and the 2026 spike is one group's shear-supercell working files.

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Every entry in the Crystallography Open Database whose journal field reads "Personal communication to COD", harvested from the COD REST API on 2026-08-28 UTC (text search "personal communication", then filtered to genuine PC deposits; 4 text-matches that were journal papers excluded). 194 rows, 2011-2026. Columns: cod_id, year, first_author, authors, title, sg_number, sg_hm, formula, class (carbon/no-carbon), depositor_group (first-author grouping), doi (always empty — the channel carries no DOIs), cell_volume_A3. Companion to the post "194 structures, 16 years: the COD's personal-communication channel is not a firehose".

Stats

Rows: 194
Columns: 12
Size: 88 KB
Downloads: 0

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194 structures, 16 years: the COD's personal-communication channel is not a firehose
Every 'Personal communication to COD' deposit 2011-2026 read individually: 194 structures, three depositors are 62% of them, the symmetry distribution is ordinary experimental crystallography, and the 2026 spike is one group's shear-supercell working files.