Inorganic Thermochromism

A. Introduction.- A.I Definition of “Inorganic Thermochromism” and the Aim of this Book.- A.II Some Common Examples of Inorganic Thermochromism.- B. Thermochromic and Chromotropic Phenomena of Cobalt(II) Chloride Solutions and Related Systems.- B.I Introductory Remarks: Visual Observations on Aqueous and Alcoholic Solutions of Cobalt(II) Chloride.- B.II Low-Temperature Spectrophotometric Studies on Alcoholic Solutions of Cobah(II) Chloride.- B.III Effects of Water, High Pressure and Dilution on the Spectra of Alcoholic Solutions of Cobalt(II) Chloride.- B.IV Thermochromic Equilibria of Cobalt(II) Chloride in Aqueous Solutions.- B.V Chromotropic Phenomena of Cobalt(II) Chloride in Aprotic Solvents.- B.VI Chromotropic Phenomena of Other Cobalt(II) Salts in Aqueous and Organic Solvents.- B.VII Chromotropic Phenomena of Copper(II) and Nickel(II) Halides in Solution.- C. Thermochromism of Nickel(II) Chelates in Solution.- C.I Introduction.- C.II Tetrammine-type Chelates: Octahedral-Square Planar Equilibria.- C.III ß-Diketonate Chelates: Monomer-Polymer Equilibria.- C.IV Mixed Diamine-ß-Diketonate Chelates: Solvatochromic and Thermochromic Equilibria Governed by the Coordinating Power (Donor Number) of the Solvent.- C.V Chelates of Schiff Bases and Related Ligands: Tetrahedral-Square Planar Equilibria.- C.VI Thermochromic Systems Involving Formation of Five-Coordinate Complexes and Linkage Isomerization.- D. Chromotropic Phenomena of Copper(II) Chelates.- D.I Introduction: Structure and Spectra of Copper(II) Chelates.- D.II Acetylacetonates and Tetrammine-type Complexes.- D.III Mixed Diamine-?-Diketonate Chelates.- Ë. Miscellaneous Chromotropic Phenomena Observed in Solutions of Metallic Complexes.- E.I Introduction.- E.II Spin-Crossover in Iron(II) and Iron(III)Complexes Observed as Solution Thermochromism.- E.III Iron(II) Cyanide-(Heterocyclic N-Base) Mixed Complexes: Solvatochromism Caused by Acceptor Solvents and Ions.- E.IV Solvatochromism of Oxovanadium(IV) ?-Diketonates.- E.V Thermochromism of Metal Chelates with Triphenylmethane Complexones in Aqueous Solutions.- E. VI Thermochromism and Solvatochromism Accompanied by the Formation of Ligand Radicals in Solution.- F. Thermochromism of Transition Metal Complexes in the Solid State.- F.I Introduction.- F.II Irreversible Thermochromism.- F.III Reversible Thermochromism.- F.IV Practical Applications of Solid-State Thermochromism: Color Indicators for Temperature Changes.- Concluding Remarks.