Prof Mark J. Winter

Web sites under development

• The Orbitron gallery of atomic orbitals and a few molecular orbitals
• Sheffield ChemPuter interactive calculators for chemistry:
  • Isotope Patterns
  • Element percentages
  • Reaction yield
  • Classification
    • Valence number (VN)
    • Coordination number (CN)
    • Oxidation number (ON)
    • MLXZ classification
    • MLXZ equivalent neutral class (ENC) classification
  • VSEPR shape of simple molecules
• VSEPR tutorial
• WebElements: the periodic table on the web
• Chemdex: compounds database (βべーた version)

Very early days on the WWW

• H.S. Rzepa, B.J. Whitaker, and M.J. Winter, "Chemical applications of the World-Wide-Web system", J. Chem. Soc., Chem. Commun., 1994, 1907-1910, https://doi.org/10.1039/C39940001907. The original web version is here.
• H.S. Rzepa, B.J. Whitaker, and M.J. Winter, "Surfing the Chemical Net", Chemistry in Britain, 1995, 1907-1910. The original web version is here.