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The molecular geometry of ClF 3 is approximately T-shaped, with one short bond (1.598 Å) and two long bonds (1.698 Å). [14] This structure agrees with the prediction of VSEPR theory , which predicts lone pairs of electrons as occupying two equatorial positions of a hypothetic trigonal bipyramid .
The compound is more conveniently prepared by reaction of sodium chlorate and chlorine trifluoride [3] and purified by vacuum fractionation, i.e. selectively condensing this species separately from other products. This species is a gas boiling at −6 °C: 6 NaClO 3 + 4 ClF 3 → 6 ClO 2 F + 2 Cl 2 + 3 O 2 + 6 NaF
In chemistry, T-shaped molecular geometry describes the structures of some molecules where a central atom has three ligands. Ordinarily, three-coordinated compounds adopt trigonal planar or pyramidal geometries. Examples of T-shaped molecules are the halogen trifluorides, such as ClF 3. [1]
The bond length in the crystalline ClF is 1.628(1) Å; the lengthening relative to the free molecule is due to an interaction of the type F-Br···ClMe with a distance of 2.640(1) Å. In its molecular packing it shows very short intermolecular Cl···Cl contacts of 3.070(1) Å between neighboring molecules. [3]
Molecular geometry is the three-dimensional arrangement of the atoms that constitute a molecule. ... ClF 3: 2 3 5 linear: 180° XeF 2: 6 0 6 octahedral: 90°, 180 ...
(c) The ELF for the ClF 3 molecule generated using an η=0.835 value for the isosurfaces. The ELF analysis of ClF 3 indicates that there is a single toroidal-shaped basin at the 'back' of each fluorine atom, corresponding analogously to the three lone pairs arranged in a ring as generated for the HF molecule . This is in contrast with the Lewis ...
ClF ClF 3 ClF 5; Systematic name: Chlorine monofluoride: Chlorine trifluoride: Chlorine pentafluoride: Molar mass: 54.45 g/mol 92.45 g/mol 130.45 g/mol CAS number: Melting point: −155.6 °C −76.3 °C −103 °C Boiling point: −100 °C 11.8 °C −13.1 °C Standard enthalpy of formation Δ f H° gas: −50.29 kJ/mol −158.87 kJ/mol
Relativistic effects on the electron orbitals of superheavy elements is predicted to influence the molecular geometry of some compounds. For instance, the 6d 5/2 electrons in nihonium play an unexpectedly strong role in bonding, so NhF 3 should assume a T-shaped geometry, instead of a trigonal planar geometry like its lighter congener BF 3. [38]