Homonuclear diatomics, Chemistry

Assignment Help:

Bonding and ant bonding orbitals

Just as an atomic orbital (AO) is the wavefunction for an electron in an atom so a molecular orbital (MO) is that for a molecule; an MO will extend over two or more atoms. Exact MOs will be calculated by solution of Schrödinger's equation for the one-electron ion but as in atoms the extension of the orbital approach to manyelectron systems involves approximations. For MOs a further approximation is made: rather than using the same but very complicated wavefunction for it is convenient to express each MO as a linear combination of AOs, the so-called LCAO approximation. This approximation have to be refined considerably for quantitative calculations on computers, but it is adequate for qualitative purposes and provides very efficient pictures of how chemical bonds form, and how they are related to the valence AOs of the atoms involved.

2469_Untitled.png

 

 

 

Fig. 1. Formation of a bonding and antibonding MO from the overlap of 1s AOs in H2

 


Related Discussions:- Homonuclear diatomics

Hydrogyn, does hydrogyn react with magnesium

does hydrogyn react with magnesium

S-Block Elements, LITHIUM AND BERYLLIUM MARKEDLY DIFFERENT FROM OTHER MEMBE...

LITHIUM AND BERYLLIUM MARKEDLY DIFFERENT FROM OTHER MEMBERS OF THEIR RESPECTIVE GROUP?.

Explain in detail about the thermal oxidation, Explain in detail about the ...

Explain in detail about the thermal oxidation The following reactions take place during thermal oxidation: During oxidation, Si - SiO 2 interface moves into silicon. A

Which one of the following is not isoelectronic with o2, Which one of the f...

Which one of the following is not isoelectronic with O 2- : (1) N- 3                    (2) F -         (3) Tl +                   (4) Na + Ans: Tl +

Explain limiting radius., The ratio among the radius of cation and the radi...

The ratio among the radius of cation and the radius of anion is known as Limiting radius.

Stp, I have 11.2 L of a gas at stp. I need to use the molar volume to find ...

I have 11.2 L of a gas at stp. I need to use the molar volume to find how many molecules are in that gas.

The ph scale, The pH scale: The equation: p Kw =14.00=pH+pOH is obtaine...

The pH scale: The equation: p Kw =14.00=pH+pOH is obtained by taking the negative logarithm to the base 10 of the autoprotolysis equation, where In general pX denotes -

Evolution of the modern atomic theory, Beginning in the early nineteenth ce...

Beginning in the early nineteenth century, scientists developed models to explain the structure of the atom. As more information was discovered about the nature of the subatomic pa

Chemical bonding, H2,Li2,B2 each has bond order equal to 1 , the order o...

H2,Li2,B2 each has bond order equal to 1 , the order of stability is

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd