1. Information Sources in Crystallography Your Logo Here Gregory K. Youngen Physics/Astronomy Librarian University of Illinois at Urbana-Champaign Gregory K. Youngen Physics/Astronomy Librarian University of Illinois at Urbana-Champaign

2. A Dynamic Guide to the Crystallographic Literature Founded on a request to consolidate reference sources around campus A dynamic literature guide to the history of crystallographic information from the print to the electronic Using resources available at UIUC and elsewhere http://www.library.uiuc.edu/phx/crystal/crystalrev.html Article: Science Libraries vol. 19(1), 2000 pp. 49-78 Article: Science Libraries vol. 19(1), 2000 pp. 49-78

3. Presentation Outline Nature of Crystals Development of Crystallography Nature of Crystallographic Information Development of the electronic resources

4. Nature of Crystals Crystals Structure of the unit cell –arrangement of atoms within the moleculearrangement of atoms within the molecule Lattice - a repeating array of points in space –arrangement of the moleculesarrangement of the molecules Crystal properties –physical characteristics,mechanical, electrical, magnetic & opticalphysical characteristics

5. Symmetry & Mathematics Symmetry, Lattices & Space Groups Symmetry –17 Plane Groups –32 Point Groups – 230 Space Groups International Tables for X-Ray Crystallography –Vol. A - Descriptions –Vol. B - Mathematical Applications

6. Development of Crystallography Outgrowth of Mineralogy Importance to chemistry, solid state physics, materials science, engineering, biology Industrial and Academic interests

7. Critical Developments X-Ray Diffraction –Max von Laue (Nobel Prize 1914)Max von Laue –W.H. and W.L. Bragg (Nobel Prize 1915) The Powder Method –Peter J.W. Debye (Nobel Prize 1936) Crystal Structure of DNA –Watson & Crick (Nobel Prize 1962)

8. Societies Too much data Crystallographers Unite (Seperately) –UK (CDD, Cambridge) –US (ACA) –Germany ( Zeit. Krist. Min., Strukturebericht ) International Union of Crystallography (IUCr)

9. Publishing History Textbooks –W.H. Bragg - X-Rays & Crystal Structure (1915) –Ralph Wyckoff, Crystal Structure, et al International Conferences Dedicated Journals – Acta Crystallographica (1948-) – Zeitschrift fuer Krystallographie un Mineralogie (1877-)

10. Publishing History (cont.) Guides to the Literature – Crystallographic Book List - Megaw Abstracting and Indexing Sources – Mineralogical Abstracts, Bulletin Signaletique Handbooks, Tables and Manuals – Crystal Structures - Wyckoff – Int’l. Tables for X-Ray Crystallography (IUCr) – Laue Atlas - Preuss

11. Publishing History (cont.) Databooks – Crystal Data Determinative Tables (NBS) – Structure Reports (IUCr) – Powder Diffraction File (ASTM)

12. Database Development Crystal Data Center Cambridge –Organic Information (CSD) International Center for Diffraction Data (NBS/NIST) –PDF FIZ - Karlsruhe –Inorganic (ICSD) Brookhaven National Lab –Biological (Protein Data Bank)

13. Reading the Data Standardization – Crystallographic Information File (IUCr) Interpretation Software –Visualization Tools Data -> StructureDataStructure Future Developments –Integration services Large data sets + E-Journals + Software