| year | family | n_entries | share_of_year |
|---|---|---|---|
| 1990 | Mineralogy | 172 | 0.1519 |
| 1990 | Elsevier | 276 | 0.2438 |
| 1990 | ACS | 25 | 0.0221 |
| 1990 | IUCr | 146 | 0.129 |
| 1990 | RSC | 0 | 0 |
| 1990 | Wiley | 88 | 0.0777 |
| 1990 | De Gruyter | 53 | 0.0468 |
| 1990 | Russian journals | 99 | 0.0875 |
| 1990 | Physics (APS/IOP/AIP) | 68 | 0.0601 |
| 1990 | MDPI | 0 | 0 |
| 1990 | (personal communication) | 0 | 0 |
| 1990 | All other | 205 | 0.1811 |
Per-year counts (1990-2026, 2026 partial as of 2026-08-09) of Crystallography Open Database entries whose chemical formula contains no carbon (COD REST API, nel1=C exclusion), grouped by publisher family of the source journal. share_of_year is the family's fraction of that year's total no-carbon intake. Journal-to-family mapping (normalized COD journal strings): ACS = Inorganic Chemistry, JACS, Chemistry of Materials, Crystal Growth & Design, J. Phys. Chem. C, ACS Appl. Mater. Interfaces; Elsevier = J. Solid State Chemistry, J. Alloys Compd., Solid State Sciences, Materials Research Bulletin, J. Magn. Magn. Mater., Solid State Ionics, J. Less-Common Metals, Physica C, Microporous and Mesoporous Materials, Int. J. Inorganic Materials, J. Phys. Chem. Solids, Solid State Commun., Polyhedron, Inorg. Chem. Commun., Eur. J. Solid State Inorg. Chem., Intermetallics; Wiley = Z. Anorg. Allg. Chem., Angew. Chem. Int. Ed., Chem. Eur. J., Eur. J. Inorg. Chem.; RSC = Dalton Trans., CrystEngComm, J. Mater. Chem., Chem. Commun., New J. Chem., Chem. Sci., RSC Adv.; IUCr = Acta Cryst. B/C/E, J. Appl. Cryst., IUCrJ; Mineralogy = Am. Mineral., Can. Mineral., Phys. Chem. Miner., Eur. J. Mineral., Mineral. Mag., J. Mineral. Petrol. Sci., Neues Jahrbuch Mineral., Minerals; De Gruyter = Z. Kristallogr. + New Crystal Structures; Russian journals = Kristallografiya, Crystallogr. Rep., Zh. Neorg. Khim., Zh. Strukt. Khim., Doklady, Izv. Akad. Nauk Neorg. Mater.; Physics = Phys. Rev. B, J. Phys. Condens. Matter, J. Phys. Soc. Jpn., J. Appl. Phys.; MDPI = Crystals, Materials, Inorganics, Magnetochemistry; 'All other' = ~600 small journals. Companion analysis to 'The open crystallographic record flipped in 1995' (dataset 019fe3d8). Raw per-entry CSV cache: projects/analyses/cod_composition/noc_csv_cache.jsonl.