Chemistry > Data Tables

• The Elements: Symbols, Atomic Numbers, Atomic Weights, and Pauling Electronegativities
• Constants and Conversion Factors
• Standard Enthalpies of Formation of Gaseous Atoms
• Ionization Energies of Gaseous Atoms
• Electron Affinities
• Common Bond Energies and Bond Lengths
• Standard Heats and Free Energies of Formation and Absolute Entropies
  • Elements and Inorganic Compounds
  • Organic Compounds
• Standard Heats of Formation for Gaseous Complex Ions
• Lattice Energy
  • Madelung Constants(A) for Common Crystal Lattices
  • Values of Born Exponent Used in Repulsive Function for Lattice Energy
  • Lattice Energies(E) for Common Compounds
  • Kapustinskii Equation
• Contributions to Entropies of Solids at 298 K
  • Cation Contributions, J/mol K
  • Anion Contributions, J/mol K
• Group Contributions to ΔH_f°(g) and S°(g) at 298 K
  • Hydrocarbon Groups
  • Corrections for Steric Interactions and Rings
  • Oxygen-Containing Groups
  • Nitrogen-Containing Groups
  • Halogen-Containing Groups
• Metallic, Covalent and Ionic Radii
• Thermochemical Radii
  • Anions
  • Cations
• Standard Formation Data for Aqueous Ions
  • Anions
  • Cations
• Absolute Enthalpies of Hydration of Gaseous Ions
• Solubilities of Gases in Water at 293 K
• Solubilities of Inorganic Compounds in Water at 293K
• Solubility Product Constants, Ksp
• Acid and Base Dissociation Constants in Water at 298 K
  • Acid Constants
  • Base Constants
• Overall Formation Constants of Coordination Compounds
• Vapor Pressure of Water from 0°C to 100°C
• Hammett Sigma Constants
• Standard Electrode Potentials
  • Acidic Media
  • Basic Media
• Acid-Base Indicators
• Oxidation-Reduction Indicators
• Physical Characteristics of Solvents
• Molal Freezing and Boiling Point Constants
• Additivity Rules for π-π* Transitions of Enones
• Characteristic Infrared Absorptions
• Properties of NMR-Active Nuclei
  • I = 1/2 Nuclei
  • I > 1/2 Nuclei
• Common NMR Solvents
• Carbon-13 Chemical Shift Increments for Substituted Alkanes
• Carbon-13 Chemical Shifts of Carbonyl Derivatives
• Additivity Parameters for Carbon-13 Chemical Shifts in Some Substituted Benzenes
• Proton, Carbon-13 and Nitrogen Chemical Shift Ranges
  • Proton
  • Carbon-13
  • Nitrogen
• Character Tables for Common Symmetry Groups
  • Nonaxial Groups
  • C_n Groups
  • D_n Groups
  • C_nv Groups
  • C_nh Groups
  • D_nh Groups
  • D_nd Groups
  • S_n Groups
  • Cubic Groups
  • C_∞v and D_∞h Groups for Linear Molecules
• Molecular Parameters
  • Boron - Aluminum Compounds
  • Carbon Compounds
  • Silicon - Lead Compounds
  • Nitrogen Compounds
  • Phosphorus - Bismuth Compounds
  • Oxygen - Selenium Compounds
  • Fluorine - Iodine Compounds
  • Transition Metal Compounds