1 year, 10 months ago
How to find the colour of a Coordination complex formed by a Transition metal?
1. Please provide me a list of the 3D Transition metal ions' colours.
2. There are so many compounds formed by 3D Transition elements. How can I find the colour of a given complex quickly? Is there any shortcut or some other ways to find the colours of a coordination compex?
3. If there is no way of finding the colours using a method, please provide me a list of complexes with colours. (A table is better) :)
2. There are so many compounds formed by 3D Transition elements. How can I find the colour of a given complex quickly? Is there any shortcut or some other ways to find the colours of a coordination compex?
3. If there is no way of finding the colours using a method, please provide me a list of complexes with colours. (A table is better) :)
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M$1 Answer
In chemistry, a coordination complex or metal complex, is a structure consisting of a central atom or ion (usually metallic), bonded to a surrounding array of molecules or anions (ligands, complexing agents). The atom within a ligand that is directly bonded to the central atom or ion is called the donor atom. Polydentate (multiple bonded) ligands can form a chelate complex. A ligand donates at least one pair of electrons to the central atom/ion.
Compounds that contain a coordination complex are called coordination compounds. The central atom or ion, together with all ligands form the coordination sphere.
Coordination refers to the "coordinate covalent bonds" (dipolar bonds) between the ligands and the central atom. Originally, a complex implied a reversible association of molecules, atoms, or ions through such weak chemical bonds. As applied to coordination chemistry, this meaning has evolved. Some metal complexes are formed virtually irreversibly and many are bound together by bonds that are quite strong.
Compounds that contain a coordination complex are called coordination compounds. The central atom or ion, together with all ligands form the coordination sphere.
Coordination refers to the "coordinate covalent bonds" (dipolar bonds) between the ligands and the central atom. Originally, a complex implied a reversible association of molecules, atoms, or ions through such weak chemical bonds. As applied to coordination chemistry, this meaning has evolved. Some metal complexes are formed virtually irreversibly and many are bound together by bonds that are quite strong.
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