What are cobalt complexes?

Cobalt complexes derived from alkynic epoxides undergo a Lewis acid catalysed 6-endo cyclization in which the configuration of the substrate is retained in the tetrahydropyran (Scheme 62) 〈94TL2179〉. From: Comprehensive Heterocyclic Chemistry II, 1996.

What is the structure of acetylacetone?

C5H8O2
Acetylacetone/Formula

What is the electronic configuration of cobalt in Co acac 3 complex?

The number of electrons in each of cobalt’s shells is 2, 8, 15, 2 and its electron configuration is [Ar]3d7 4s2.

What are acac complexes used for?

The complex catalyzes epoxidation of allylic alcohols by peroxides. Vanadium(III) acetylacetonate is a dark-brown solid. Vanadium β-diketonate complexes are used as precatalysts in the commercial production of ethylene-propylene-diene elastomers (EPDM).

Does cobalt form complex compound?

One of the chloride ions is bound to the cobalt in the [Co(NH3)5Cl]Cl2 complex. Only three ions are formed when this compound dissolves in water, and only two Cl- ions are free to precipitate with Ag+ ions….Bonding.

Which of the following is homoleptic complex?

Homopleptic complex The complex containing only one species or group as ligand is known as homoleptic ligand. Here, [Co(NH3)6]3+ contain only NH3 as a ligand and [Ni(CN)4]2- contain CN as a ligand. While other two complexes [Co(NH3)4Cl2]+ and [Ni(NH3)4Cl2] contain NH3 and Cl as ligands.

What is the symmetry point group of co acac 3?

D3 symmetry point group
This is a transition metal complex currently employed as a catalyst for the formation of C–C bonds and oxidation reactions (Ishii et al., 1996). This compound has closed shell with D3 symmetry point group and allows reliable and accurate quantum chemistry calculations.

How many sigma bonds are present in acetylacetone?

The above structure has 18 sigma (σ) bonds and 2 pi (π) bonds.

What is the formula for cobalt III compound?

Co2O3
Cobalt(III) oxide/Formula