Related Experiment Video
Updated: Jun 1, 2026

08:43
Protocol for the Synthesis of Ortho-trifluoromethoxylated Aniline Derivatives
Published on: January 19, 2016
catena-Poly[[trimethyl-tin(IV)]-μ-2,5-difluoro-benzoato-κO:O']
Liyuan Wen1, Handong Yin, Wenkuan Li
1College of Chemistry and Chemical Engineering, Liaocheng University, Shandong 252059, People's Republic of China.
Abstract:
In the title polymeric coordination compound, [Sn(CH(3))(3)(C(7)H(3)F(2)O(2))](n), the Sn atom exhibits a distorted trigonal-bipyramidal coordination geometry with the carboxyl-ate O atoms in the axial positions and the equatorial positions occupied by the methyl groups. The two Sn-O bond lengths are 2.225 (5) and 2.410 (6) Å.
Related Concept Videos
Radical Chain-Growth Polymerization: Overview
Chain-growth or addition polymerization is successive addition reactions of monomers with a polymer chain. In radical chain-growth polymerization, the reaction proceeds via a free-radical intermediate. The free radical is formed from radical initiators, which spontaneously generate free radicals by homolytic fission. Organic peroxides (such as dibenzoyl peroxide, as shown in Figure 1) or azo compounds are popular radical initiators. A low concentration ratio of radical initiator to monomer is...
Complexometric Titration: Ligands
Different monodentate and polydentate ligands are used as complexing agents in complexometric titration reactions. The formation of complexes by mono- and bidentate ligands involves two or more intermediate steps, limiting their use as complexing agents. In comparison, polydentate ligands can form complexes with metal ions in a single-step process, facilitating sharper end points. This means polydentate ligands, such as amino carboxylic acid derivatives, are most commonly employed in...

