polarity of ClF3

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melissa_dis4K
Posts: 106
Joined: Fri Sep 28, 2018 12:28 am

polarity of ClF3

Postby melissa_dis4K » Wed Nov 28, 2018 11:16 pm

Is it safe to assume that because all the atoms besides the central atom of ClF3 is polar because they are the same element or should the charges always be taken into consideration when determining polarity?

Patrick Cai 1L
Posts: 93
Joined: Fri Sep 28, 2018 12:25 am

Re: polarity of ClF3

Postby Patrick Cai 1L » Thu Nov 29, 2018 12:04 am

To fully understand the polarity of the CIF3 molecule, we would have to realize the asymmetric distribution of atoms around the central carbon, as well as the differences in dipole moment noted between the C-I bond and the C-F bonds. Combining these two aspects, there is a net dipole in the direction of the iodine atom, making this molecule polar. Partial charges should be noted but the actual charge overall the molecule is 0, and if all the atoms around the central carbon were of the same polarity (ie electronegativity value), they would result in a nonpolar molecule (for instance CF4).


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