A New Formula for the Ionic Percentage of A Chemical Bond in the Vapour Phase

Rabia ^Ahmad2 and M.Z. Rahman Khan¹

¹Department of Chemistry, J.M.I., Jamia Nagar, New Delhi - 110 025 (India) ²Department of Physics, A.M.U., Aligarh - 202 002 (India)

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ABSTRACT:

The experimental values of the ionic percentage of the alkali-halide bonds in the vapour phase, do not agree well with the celebrated pauling formula. A new formula has therefore, been proposed here which is in better agreement with the data. However, fits to some of the fluorides and some of the iodides might be further improved by introducting small modifications.

KEYWORDS:

Ionic percentage; alkali halides; dipole moment; bond strength; bond length