T-shaped molecular geometry
In chemistry, T-shaped molecular geometry describes the structures adopted by some compounds where a central atom has three ligands. Ordinarily, three-coordinated compounds adopt trigonal planar or pyramidal geometries. Example of a T-shaped molecules are the halogen trifluorides, such as ClF3.
According to VSEPR theory T-shaped geometry results from three ligands and two or three lone pairs of electrons bonded to the central atom (known in AXE notation as AX3E2 and AX3E3, respectively). The three atoms bond at 90° angles on one side of the central atom, producing the T shape.
- Greenwood, N. N.; & Earnshaw, A. (1997). Chemistry of the Elements (2nd Edn.), Oxford:Butterworth-Heinemann. ISBN 0-7506-3365-4.
- "Chemistry Dictionary and Glossary." 2005. http://www.ktf-split.hr/glossary/no_en_o.php?def=T-shaped%20molecular%20shape
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