Table 1 Bond energetics for alkali fluorides.

From: Thermochemical electronegativities of the elements

Molecule

Dissociation energy \({{D}}_{{\mathrm{AB}}}\), eV

Covalent part \({{D}}_{{\mathrm{AB}}}^{{\mathrm{cov}}}\), eV

Ionic part \({{D}}_{{\mathrm{AB}}}^{{\mathrm{ion}}} = {{D{\!}}_{{\mathrm{AB}}}} - {{D}}_{{\mathrm{AB}}}^{{\mathrm{cov}}}\), eV

Li–F

6.001

1.380

4.621

Na–F

5.379

1.220

4.159

K–F

5.127

1.086

4.041

Rb–F

5.091

1.074

4.017

Cs–F

5.327

1.039

4.288

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