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Section
0: Introduction The Editor and Editorial Board Preface New Data and Updates in the 106th Edition On the Evaluation of Chemistry and Physics Data Current Contributors
Part 1 Data on Chemical Substances Section
1: Elements and Their Isotopes Introduction The Elements: Properties Standard Atomic Weights Atomic Masses and Isotopic Abundances Abundance of Elements in the Earth''s Crust and in the Sea Melting, Boiling, Triple, and Critical Points and Densities of the Elements Heat Capacity of the Elements at 25 °C Heat Capacity of Solid Elements as a Function of Temperature Table of the Isotopes Phase Transition Temperatures of the Solid Elements at Atmospheric Pressure Crystal Structures and Lattice Parameters of Allotropes of the Elements Density of Molten Elements as a Function of Temperature Physical and Thermal Properties of Rare-Earth Metals Thermal Properties of Pure Elemental Metals Electrical Resistivity of Pure Elemental Metals Electron Work Function of the Elements Magnetic Susceptibility of the Elements Optical Properties of The Elements Electronegativity of the Elements Index of Refraction of Liquid Elements Vapor Pressure of the Metallic Elements - Equations Vapor Pressure of the Metallic Elements - Data Description and History of Elements Section
2: Atomic Structure and Spectroscopy Data Introduction Electron Configuration and Ionization Energies of Neutral Atoms and Atomic Ions Electron Affinities of the Atomic Elements Persistent Lines of the Neutral Atomic Elements Atomic Radii of the Elements Polarizabilities of the Atomic Elements Section
3: Properties of Organic Compounds Introduction Physical Constants of Organic Compounds CAS Registry Number Index of Organic Compounds Diamagnetic Susceptibility of Organic Compounds Critical Constants of Organic Compounds Dissociation Constants of Organic Acids and Bases Miscibility of Organic Solvents Dependence of Boiling Point of Organic Liquids on Pressure Bond Lengths in Crystalline Organic Compounds Bond Lengths in Organometallic Compounds Perfluoro- and Polyfluoroalkyl Substances Section
4: Properties of Inorganic Compounds Introduction Physical Constants of Inorganic Compounds CAS Registry Number Index of Inorganic Compounds Critical Constants of Inorganic Compounds Permittivity (Dielectric Constant) of Inorganic Solids Density of Molten Inorganic Salts as a Function of Temperature Dissociation Constants of Inorganic Acids and Bases Index of Refraction of Inorganic Liquids Index of Refraction of Inorganic Crystals Magnetic Susceptibility of Inorganic Compounds Optical Properties of Inorganic Solids Aqueous Solubility of Inorganic Compounds as a Function of Temperature Solubility Product Constants of Inorganic Salts Solubility Charts for Inorganic Salts Properties of Gas Clathrate Hydrates Physical and Optical Properties of Minerals Crystallographic Data on Minerals Section
5: Properties of Water Introduction Thermophysical Properties of Water and Steam Fixed-Point Thermophysical Properties of H2O and D2O Properties of Saturated Liquid D2O Vapor Pressure and Other Saturation Properties of Water Standard Density of Water as a Function of Temperature Ionization Constant of Water as a Function of Temperature and Pressure Ionization Constant of Normal and Heavy Water at Saturated Vapor Pressure Electrical Conductivity of Water Permittivity (Dielectric Constant) of Water as a Function of Frequency Properties of Ice and Supercooled Water Vapor Pressure of Ice Solid-Liquid Phase Equilibria for Ice as a Function of Pressure Index of Refraction of Water Properties of Seawater Solubility of Hydrocarbons in Seawater Section
6: Properties of Polymers Introduction Abbreviations Used in Polymer Science and Technology Physical Properties of Important Polymers Polymer Solvents Glass Transition Temperatures for Polymers Permittivity of Polymers Pressure-Volume-Temperature Relationships for Polymer Melts Vapor Pressures (Solvent Activities) for Binary Polymer Solutions Solubility Parameters of Polymers Section
7: Properties of Bio-Medical Compounds and Substances Introduction Properties of Amino Acids Structures of Common Amino Acids Properties of Purine and Pyrimidine Bases The Genetic Code Properties of Fatty Acids and their Methyl Esters Composition and Properties of Oils and Fats Carbohydrate Names and Symbols Standard Transformed Gibbs Energies of Formation for Biochemical Reactants Apparent Equilibrium Constants for Enzyme-Catalyzed Reactions Apparent Equilibrium Thermodynamics of Protein-Ligand Binding Reactions Thermodynamic Quantities for the Ionization Reactions of Buffers in Water Biological Buffers pH Values of Biological Materials and Foods Properties and Functions of Important Drugs Properties of Controlled Substances Section
8: Chemical Structure, Bonding, and Molecular Spectroscopy Data Introduction Structure of Free Molecules in the Gas Phase Characteristic Bond Lengths in Free Molecules Dipole Moments Hindered Internal Rotation Bond Dissociation Energies Force Constants for Bond Stretching Fundamental Vibrational Frequencies of Small Molecules Spectroscopic Constants of Diatomic Molecules Polarizabilities of Molecules Ionization Energies of Gas-Phase Molecules Electron Affinities of Molecules
Part 2 Data for the Practice of Chemistry and Physics Section
9: Physical Chemistry Data Introduction CODATA Key Values for Thermodynamics Standard Thermodynamic Properties of Chemical Substances Thermodynamic Properties as a Function of Temperature Thermodynamic Properties of Aqueous Ions Proton Affinities Heat of Combustion Heat Capacity of Solids as a Function of Temperature Transition Temperatures and Heats of Transition for Metal Oxyanion Salts Electrical Conductivity of Aqueous Solutions Molar Electrical Conductivity of Aqueous HF, HCl, HBr, and HI Molar Electrical Conductivity of Electrolytes in Aqueous Solution Ionic Conductivity and Diffusion at Infinite Dilution Electrochemical Series Meaning Activity Coefficients of Acids, Bases, and Salts as a Function of Concentration Enthalpy of Dilution of Acids Enthalpy of Solution of Electrolytes Concentrative Properties of Aqueous Solutions Ebullioscopic Constants for Calculation of Boiling Point Elevation Cryoscopic Constants for Calculation of Freezing Point Depression Freezing Point Lowering by Electrolytes in Aqueous Solution Azeotropic Data for Binary Mixtures Section
10: Environmental Chemistry Data Introduction Chemical Reaction Rate Constants for Atmospheric Studies Properties of Refrigerants Global Warming Potential of Greenhouse Gases Annual Atmospheric Concentration of Carbon Dioxide and Methane Aqueous Solubility and Henry''s Law Constants of Organic Compounds Octanol-Water Partition Coefficients Global Temperature Trend, 1880-2024 Solar Irradiance at the Earth Geographical and Seasonal Variations in Solar Radiation Infrared Absorption by the Earth''s Atmosphere U.S. Standard Atmosphere (1976) Section
11: Solid-State Chemistry and Physics Data Introduction Thermal Analysis for Materials Characterization Microscopy Techniques for Materials Characterization Symmetry of Crystals Ionic Radii in Crystals The Madelung Constant and Crystal Lattice Energy Elastic Constants of Single Crystals Polarizability of Atoms and Ions in Solids Electrical Resistivity of Binary Alloys Electrical Resistivity of Carbon Materials Curie Temperature of Ferroelectric Crystals Properties of Antiferroelectric Crystals Properties of Superconductors High-Temperature Superconductors Organic Superconductors Properties of Semiconductors Properties of Semiconductor Solid Solutions Properties of Organic Semiconductors Diffusion Data for Semiconductors Properties of Magnetic Materials Organic Magnets Thermal and Strength Properties of Materials at Cryogenic Temperatures Thermoelectric Properties of Metals and Semiconductors Thermal Conductivity of Metals and Semiconductors as a Function of Temperature Fermi Energy and Related Properties of Metals Secondary Electron Emission Electron Inelastic Mean Free Paths Electron Stopping Powers Attenuation Coefficients for High-Energy Electromagnetic Radiation Thermal Conductivity of Crystalline Dielectrics Thermal Conductivity of Ceramics and Other Insulating Materials Section
12: Industrial Chemistry Data Introduction Thermophysical Properties of Air Thermophysical Properties of Fluids Thermophysical Properties of Fluids at Saturation Vapor Pressure of Compounds and Elements Vapor Pressure of Fluids at Tempera