Percent Ionic Character Calculator: \%IC = (1 - e^(-0.25( - )²))× 100

Percent Ionic Character Calculator

⚛ Atomic & Quantum. Use the Percent ionic character formula to find ionic character, electronegativity difference: pick the value you want, type the others, and the answer updates as you go.

\%IC = \left(1 - e^{-0.25(\chi_A - \chi_B)^2}\right)\times 100

Ionic character (%)Electronegativity difference

Ionic character20.578 %

Pick the ○ next to the value you want to find, fill in the others, and it solves as you type.

What each letter means

Quantity	Unit
Ionic character	%
Electronegativity difference	no unit

Worked example

Find the ionic character when Electronegativity difference = 0.96.

Using \%IC = (1 - e^(-0.25( - )²))× 100: Ionic character = 20.578 %.

Frequently asked questions

What is the formula for Percent ionic character?

\%IC = (1 - e^(-0.25( - )²))× 100.

What do the letters stand for, and what units are used?

Ionic character in %, Electronegativity difference.

How do you calculate ionic character?

Put the values into \%IC = (1 - e^(-0.25( - )²))× 100. For example, with Electronegativity difference = 0.96, ionic character = 20.578 %.

Can I solve for a different value?

Yes. In the calculator above, pick the circle next to any value (ionic character, electronegativity difference) and fill in the others: it rearranges the formula for you.