40 likes | 182 Views
(Y 1s - Y 1s ) 2. (Y 1s + Y 1s ) 2. 2 x sameindasvigrúm 2x MO. 2 x atómsvigrúm 2x AO. Svigrúm fyrir/ space for 2 x 2e -. Svigrúm fyrir/ space for 2 x 2e -. H. H. Y 2 1s. Y 2 1s. Attraction forces, F -. attraction forces, F -. Repulsion forces, F +. Netto Repulsion force:
E N D
(Y1s - Y1s)2 (Y1s + Y1s)2 2 x sameindasvigrúm 2x MO 2 x atómsvigrúm 2x AO Svigrúm fyrir/space for 2 x 2e- Svigrúm fyrir/space for 2 x 2e- H H Y21s Y21s
Attraction forces, F- attraction forces, F- Repulsion forces, F+ Netto Repulsion force: antibonding - - - - Netto Attraction force: bonding: CHEMICAL BOND Attraction forces, F- Repulsion- force, F+ (Y1s - Y1s)2 - - + + - - - + - + - - (Y1s + Y1s)2
s E s : : : : n = 3 n = 2 n = 1 Molecular energies(orbitals) quantized : : E : : : : : : 2x n = 3 n = 2 2x n = 1 2x
A*, AB*...... energetic configurations / excited states A, AB ...... Ground configuration / ground state