Issues

• Allow _atom_site.disorder_assembly to describe positional disorder

  COMCIFS/cif_core#681 · Filter by author vaitkus opened on Oct 19, 2026

• Description template for deprecated data items

  COMCIFS/cif_core#657 · Filter by author vaitkus opened on Sep 10, 2026
  1

• Definitions of phone and fax numbers

  COMCIFS/cif_core#649 · Filter by author nautolycus opened on Sep 7, 2026

• Remove DISPLAY_COLOUR category

  COMCIFS/cif_core#644 · Filter by author jamesrhester opened on Aug 19, 2026
  2

• Defitinition of _geom_angle.atom_site_label_2 should import atom_site_id

  COMCIFS/cif_core#605 · Filter by author vaitkus opened on May 5, 2026

• definition mismatch: AUDIT_AUTHOR vs AUDIT_AUTHOR_ROLE

  COMCIFS/cif_core#614 · Filter by author rowlesmr opened on Apr 19, 2026
  1

• Ensure that dictionaries in GitHub tags and the IUCr website are byte-by-byte identical (if possible)

  COMCIFS/cif_core#575 · Filter by author vaitkus opened on Dec 10, 2025

• [RELEASE ISSUE]: For next release of core CIF (for Volume G next edition).

  COMCIFS/cif_core#559 · Filter by author jamesrhester opened on Oct 13, 2025
  10

  

• cif_core.dic: SymKey and SymLat dREL functions assume single digit space group identifiers

  COMCIFS/cif_core#550 · Filter by author vaitkus opened on Jul 31, 2025

• Apply consistent formatting of dREL code snippets

  janitorial
  COMCIFS/cif_core#534 · Filter by author vaitkus opened on Jun 13, 2025
  1

• Semantics of the _chemical_formula.sum and related data items

  COMCIFS/cif_core#533 · Filter by author vaitkus opened on Jun 11, 2025
  3

• Allow to specify partial time

  In consultation
  COMCIFS/cif_core#523 · Filter by author vaitkus opened on Apr 29, 2025
  2

• Add list-valued variants of the symmform data names

  COMCIFS/cif_core#484 · Filter by author jamesrhester opened on Feb 21, 2024

• Add _alias.dictionary_uri to aliases where possible

  COMCIFS/cif_core#482 · Filter by author vaitkus opened on Feb 20, 2024
  1

• [New data item]: Method for indicating the data source for a structure - experimental vs calculated

  enhancement
  COMCIFS/cif_core#475 · Filter by author rowlesmr opened on Feb 8, 2024
  4

  

• Id-like dataname questions?

  COMCIFS/cif_core#462 · Filter by author rowlesmr opened on Oct 15, 2023
  1

• Should the _audit_update_record be redefined as a separated category?

  COMCIFS/cif_core#456 · Filter by author vaitkus opened on Aug 21, 2023
  1

• Evaluation method of _atom_site.type_symbol

  COMCIFS/cif_core#452 · Filter by author vaitkus opened on Jul 13, 2023
  3

• Units for B (the atomic displacement parameter)?

  COMCIFS/cif_core#422 · Filter by author rowlesmr opened on Jun 17, 2023
  13

• cif_core.dic: should _atom_type_scat.length_neutron import the defaults from templ_enum.cif

  COMCIFS/cif_core#392 · Filter by author vaitkus opened on May 13, 2023
  7

• Linking refinements to the data sets used

  enhancement
  COMCIFS/cif_core#344 · Filter by author jamesrhester opened on Jan 31, 2023
  13

• What is meant by "diffraction experiment" in DIFFRN?

  COMCIFS/cif_core#339 · Filter by author rowlesmr opened on Jan 21, 2023
  3

• Capturing variance-covariance matrices in CIF

  enhancement
  COMCIFS/cif_core#338 · Filter by author jamesrhester opened on Jan 19, 2023
  2

• cif_core.dic: update the dREL code of the _atom_type_scat.dispersion_* data items

  COMCIFS/cif_core#311 · Filter by author vaitkus opened on Oct 11, 2022

• Develop a dictionary release schedule and policy

  administrative
  COMCIFS/cif_core#307 · Filter by author jamesrhester opened on Oct 10, 2022
  10