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[12] [13] Copper(II) chloride reacts with several metals to produce copper metal or copper(I) chloride (CuCl) with oxidation of the other metal. To convert copper(II) chloride to copper(I) chloride, it can be convenient to reduce an aqueous solution with sulfur dioxide as the reductant: [8] 2 CuCl 2 + SO 2 + 2 H 2 O → 2 CuCl + 2 HCl + H 2 SO 4
IR absorption spectrum of copper(I) chloride. Copper(I) chloride, commonly called cuprous chloride, is the lower chloride of copper, with the formula CuCl. The substance is a white solid sparingly soluble in water, but very soluble in concentrated hydrochloric acid. Impure samples appear green due to the presence of copper(II) chloride (CuCl 2).
(c) Demonstration of how quadrupole-quadrupole interactions are involved in the crystal lattice structure. A quadrupole, like a dipole, is a permanent pole but the electric field of the molecule is not linear as in acetone, but in two dimensions. [25] Examples of molecular solids with quadrupoles are octafluoronaphthalene and naphthalene.
The structure thus resembles in some sense the main polymorphs of SiO 2, but cuprous oxide's lattices interpenetrate. Cu 2 O crystallizes in a cubic structure with a lattice constant a l = 4.2696 Å. The copper atoms arrange in a fcc sublattice, the oxygen atoms in a bcc sublattice. One sublattice is shifted by a quarter of the body diagonal.
A brown, acidic solution of iron(III) chloride. Like the solid hydrates, aqueous solutions of ferric chloride also consist of the octahedral [FeCl 2 (H 2 O) 4] + of unspecified stereochemistry. [9] Detailed speciation of aqueous solutions of ferric chloride is challenging because the individual components do not have distinctive spectroscopic ...
Therefore, the longer the copper–halide bond length, the lower the temperature needs to be to change the structure from the zinc blende structure to the wurtzite structure. The interatomic distances in copper(I) bromide and copper(I) chloride are 2.173 and 2.051 Å, respectively. [7] Consistent with its covalency, CuI is a p-type ...
Copper(II) sulfate is an inorganic compound with the chemical formula Cu SO 4.It forms hydrates CuSO 4 ·nH 2 O, where n can range from 1 to 7. The pentahydrate (n = 5), a bright blue crystal, is the most commonly encountered hydrate of copper(II) sulfate, [10] while its anhydrous form is white. [11]
Defect formation in CZTS is prevalent due to low defect formation energies of zinc-copper antisite defects and copper vacancies. [8] These defects create 'effective' charge in the crystal structure, which is stabilized by the aggregation of different defects that compensate for the charge disparity to become effectively neutral.