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Indium. body-centered tetragonal ( tI2) Indium is a chemical element; it has symbol In and atomic number 49. It is a silvery-white post-transition metal and one of the softest elements. Chemically, indium is similar to gallium and thallium, and its properties are largely intermediate between the two. [10]
There are three sets of Indium halides, the trihalides, the monohalides, and several intermediate halides. In the monohalides the oxidation state of indium is +1 and their proper names are indium (I) fluoride, indium (I) chloride, indium (I) bromide and indium (I) iodide. The intermediate halides contain indium with oxidation states, +1, +2 and +3.
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Indium (III) hydroxide is the chemical compound with the formula In ( O H)3. Its prime use is as a precursor to indium (III) oxide, In2O3. [1] It is sometimes found as the rare mineral dzhalindite .
Indium (III) iodide is a pale yellow, very hygroscopic monoclinic solid ( space group P 2 1/c (space group no. 14), a = 9.837 Å, b = 6.102 Å, c = 12.195 Å, β = 107.69°), [3] which melts at 210 °C to form a dark brown liquid and is highly soluble in water. Its crystals consist of dimeric molecules. [4] The yellow β form slowly converts to ...
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The stable isotope 113 In is only 4.3% of naturally occurring indium. Among elements with a known stable isotope, only tellurium and rhenium similarly occur with a stable isotope in lower abundance than the long-lived radioactive isotope. Other than 115 In, the longest-lived radioisotope is 111 In, with a half-life of 2.8047 days.
Organoindium chemistry is the chemistry of compounds containing In-C bonds. The main application of organoindium chemistry is in the preparation of semiconducting components for microelectronic applications. The area is also of some interest in organic synthesis. Most organoindium compounds feature the In (III) oxidation state, akin to its ...
Indium trihydride is an inorganic compound with the chemical formula ( InH3 ). It has been observed in matrix isolation and laser ablation experiments. [2] [3] Gas phase stability has been predicted. [4] The infrared spectrum was obtained in the gas phase by laser ablation of indium in presence of hydrogen gas [5] InH3 is of no practical ...