HH  2 1s  1s +  1s ) 2  1s -  1s ) 2 Svigrúm fyrir/ space for 2 x 2e - Svigrúm fyrir/ space for 2 x 2e - 2 x atómsvigrúm 2x AO 2 x sameindasvigrúm.

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Presentation transcript:

HH  2 1s  1s +  1s ) 2  1s -  1s ) 2 Svigrúm fyrir/ space for 2 x 2e - Svigrúm fyrir/ space for 2 x 2e - 2 x atómsvigrúm 2x AO 2 x sameindasvigrúm 2x MO

 1s +  1s ) 2  1s -  1s ) attraction forces, F - Attraction forces, F - Repulsion forces, F + Attraction forces, F - Repulsion- force, F + Netto Repulsion force: antibonding Netto Attraction force: bonding: CHEMICAL BOND

2x :::: n = 1 n = 2 n = 3 :::: E :::: :::: :::: n = 1 n = 2 n = 3 :::: E s  Molecular energies(orbitals) quantized

A, AB......Ground configuration / ground state A*, AB* energetic configurations / excited states

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