In this article we discuss well-nigh the Lewis Structure of ICL5.

is prepared by the reaction of chlorine (Cl2) and iodine (I2) at a particular stoichiometric ration. It is an inter element of group vii compound. Inter halogen compound are those which are equanimous of more than than one halogen atom. Basically Icl5
belongs to the category of poly halides.

ICL5 Lewis Construction

In the Lewis structure of Icl5
we come across that every bit iodine becomes larger in size and less electronegative than cl it goes In the center of the Lewis structure.

Iodine has seven valance electrons out of which five electrons take part In covalent bonding with cl atom and forms 5 covalent chemical bonds and still ane electron pair there on iodine atom which does not take office in bonding with cl cantlet and be equally lone pair of electron. Chlorine cantlet has likewise 7 electrons in their valance shell out of which simply 1 electron make covalent bond with key iodine atom and remaining 6 electrons present as solitary pair of electron on cl atom.

Lewis Structure Resonance

Resonance means shifting of electron pair from 1 cantlet to another atom and the structure obtained by this process is called resonating construction.

has six resonating structure in which each I-CL bail gets partial double bail character past the process in which CL atom donate

its lone pair of electron into vacant d orbital of iodine atom to form p(pi)-d(pi) dorsum bonding.

Lewis Structure Shape

According To VSEPR theory the shape of Icl5
is square pyramidal in which iodine is the key atom around which v chlorine atoms surround it
. Equally lonely pair nowadays in the central I atom the ideal octahedral geometry becomes distorted. If lone pair is non nowadays in ICL5
the shape becomes octahedral but as lone pair is present the shape becomes distorted and the actual shape is square pyramidal.

Baca Juga :   Asal Daerah Tari Garuda Nusantara

Lewis construction Formal Charge

The formal charge on any atom can be calculated by the formula given below:

Formal Charge (f) = V- B/2 -Northward


Five= No of valance electrons

B= No of bonding electrons

N= No of nonbonding electrons

Hence formal charge on I atom in Iclv
= seven-10/2 -ii=0

Formal charge on each CL cantlet in Icl5= 7-2/ii-six=0

Hence formal charge on both I and CL atom in ICL5
are nix which means that the compound is

Lewis Construction Bending

has distorted octahedral geometry hence normal octahedral bond angle 900
does not attained here.
Due to repulsion between alone pair of electron on cardinal I cantlet and bonding electron pair on I-CL bond, CL-I-CL  bonds bending slightly decreased from 900
to 81.90
to minimize the lone pair- bail pair repulsion.

Lewis Construction Octet Dominion

In the Lewis structure of ICLfive
nosotros meet that each CL atom has viii valance electrons and complete its octet.
In ICLfive
Iodine cantlet forms 5 I-CL bonds and each bail contains 2 electrons.
There is also a lone pair that nowadays on cardinal I atom making a total of 12 electrons around I cantlet. As iodine is a fellow member of 3rd period we know that tertiary flow element tin increment their octet more viii electrons. Hence according to octet rule ICLv
is a stable compound.

Lewis Structure Alone Pair

The valance electron that does non take part in bonding is defined equally alone pair of electron or nonbonding electrons.

The formula through which we tin can summate the lone pair of electron is given beneath:

Baca Juga :   What Does the Text Tell About

No of lone pairs= Total no of valance electron of the atom-no of bonds formed by that cantlet

In ICLv, Lone pair present on I cantlet=7-5=two i.e. 1 solitary pair

Lone pair nowadays on each CL atom=7-one=6 i.eastward. 3 lonely pair

These lone pairs are shown in the Lewis structure of ICL5 on the given atoms equally dots.


ICL5 Hybridization

Hybridization is the process of mixing of same energy atomic orbitals to form an equal number of mixed orbitals/hybrid orbitals.

The footing state valance crush electronic configuration of is 5s25pfive. In the basis state of I we see that there is merely one unpaired electron and to make the formation of ICL5
feasible 5 unpaired electron is needed.
In the excited state I send its 2 p electron into d orbital making a total of 5 unpaired electrons. In the next step 5 CL atoms give their i unpaired electron to form 5 I-CL covalent sigma bonds and sp3dii
hybridization takes place according to VSEPR theory


mainly used in making water and oil repellent emulsions which is used for the treatment of te
xtiles and
leathers. Information technology is also used in making water repellent paper. Due to its insulating properties it is used in electrical motors.

Ionic or Covalent?

is a covalent compound.

This is because this chemical compound is formed by covalent sigma bonds. In the formation of ionic compound at that place occurs shifting of electron from electropositive cantlet to electronegative atom.

information technology is not possible due to less electronegative divergence betwixt I and CL atom. Here in this compound mutual sharing of electrons take place between I and CL atom to grade sigma bonds and then that no ions is formed. Hence information technology is a covalent compound

Baca Juga :   Bagian a Merupakan Nada


is an unstable compound
This is because large cl atoms surrounds primal Iodine atom so that severe steric crowding takes place in this compound and dissociates. Also I-CL bonds are not too strong to make the compound stable due to poor orbital overlap between I and CL atom.

Due to these two reasons this compound is non too stable

FAQS well-nigh ICLv

polar in nature ?

A compound is polar when its dipole moment becomes not equal to nil. The electronegativity of I and CL is 2.66 and 3.xvi respectively that why I-CL bond moment lies towards CL atom. Hence electronegativity divergence occurs betwixt I and CL. In the square pyramidal structure of ICL5
4 CL atoms lying in the same square aeroplane and hence four I-CL bond moments cancel each other. But one I-CL bond moment still exist for which dipole moment of ICLfive
does not equal to zip. Hence it is polar in nature

Which type of crystal Structure ICL5

Has monoclinic crystal structure


Source: https://lambdageeks.com/icl5-lewis-structure/