Public teaching case provenance — checked 2026-10-20
Record: https://www.crystallography.net/cod/9000001.html
Original CIF fetched from https://www.crystallography.net/cod/9000001.cif on 2026-10-20.
Header revision: 291269, dated 2024-04-18.
Ramsdell, L. S. (1925), The crystal structures of some metallic sulfides, American Mineralogist 10, 281–304.
Original data supplied to COD by the American Mineralogist Crystal Structure Database, AMCSD 0000003.
COD record data are public domain / CC0. Preserve credit to the original authors.
The copied CIF is unmodified. The local filename pins the verified revision; the current source URL may change.
Verified fields: Pb S; F m -3 m, No.225; a=b=c=5.93 Å; alpha=beta=gamma=90 degrees; V=208.528 Å^3; Z=4.
The existing /images/cod-9000001-example.png is a static site-viewer capture from 2026-10-19 (587 × 319 pixels).
Sphere sizes are illustrative and connections are distance-derived. This is not an XRD refinement or a measurement.
Revision URL https://www.crystallography.net/cod/9000001.cif@291269 returned a server error on the check date; the current original CIF above returned HTTP 200 and its exact header was verified before saving.