4. • Silylamines:- Silicon atom is bound to
nitrogen atom the materials are known
as silylamines or aminosilicones.
• e.g;- trisilylamine,
• triethylsilylamine etc.
5. Electronic configuration of
Nitrogen atom-ground state:
1s 2s 2px 2py 2pz
sp hybridization
Silicon atom-ground state:
1s 2s 2p 3s 3p
Silicon atom-excited sate:
1s 2s 2p 3s 3px 3py 3pz 3d
2 2 1 11
2
2 2 6 2 2
2 2 6 11 1 01
USE OF d ORBITALS IN INTERNAL ∏
BONDING IN SILYLAMINES