
1. A bonding orbital for Si1H2 with 1.9830 electrons
__has 40.43% Si 1 character in a sp2.75 hybrid
__has 59.57% H 2 character in a s orbital
2. A bonding orbital for Si1H3 with 1.9830 electrons
__has 40.43% Si 1 character in a sp2.75 hybrid
__has 59.57% H 3 character in a s orbital
3. A bonding orbital for Si1H4 with 1.9830 electrons
__has 40.43% Si 1 character in a sp2.75 hybrid
__has 59.57% H 4 character in a s orbital
4. A bonding orbital for Si1Cl5 with 1.9895 electrons
__has 24.99% Si 1 character in a s0.83 p3 d0.10 hybrid
__has 75.01% Cl 5 character in a s0.84 p3 hybrid
15. A lone pair orbital for Cl5 with 1.9954 electrons
__made from a sp0.27 hybrid
16. A lone pair orbital for Cl5 with 1.9653 electrons
__made from a ppi orbital ( 99.93% p 0.07% d)
17. A lone pair orbital for Cl5 with 1.9652 electrons
__made from a ppi orbital ( 99.93% p 0.07% d)
With core pairs on:Si 1 Si 1 Si 1 Si 1 Si 1 Cl 5 Cl 5 Cl 5 Cl 5 Cl 5 
The interaction of bonding donor orbital, 1, for Si1H2 with the antibonding acceptor orbital, 80, for Si1Cl5 is 23.3 kJ/mol.
The interaction of bonding donor orbital, 2, for Si1H3 with the antibonding acceptor orbital, 80, for Si1Cl5 is 23.4 kJ/mol.
The interaction of bonding donor orbital, 3, for Si1H4 with the antibonding acceptor orbital, 80, for Si1Cl5 is 23.3 kJ/mol.
The interaction of the second lone pair donor orbital, 16, for Cl5 with the antibonding acceptor orbital, 78, for Si1H3 is 33.0 kJ/mol.
The interaction of the third lone pair donor orbital, 17, for Cl5 with the antibonding acceptor orbital, 77, for Si1H2 is 23.5 kJ/mol.
The interaction of the third lone pair donor orbital, 17, for Cl5 with the antibonding acceptor orbital, 79, for Si1H4 is 26.2 kJ/mol.
21  1.066
20  0.604
19  0.595
18  1.374
17 ^v 7.627 16 ^v 7.630
15 ^v 9.427 14 ^v 9.431
13 ^v 9.748
12 ^v 13.71
11 ^v 20.48
10 ^v 95.26 9 ^v 95.26
8 ^v 95.41
7 ^v 137.6
6 ^v 190.0 5 ^v 190.0
4 ^v 190.3
3 ^v 248.4
2 ^v 1773.
1 ^v 2729.
Total electronic energy = 751.6009949715 Hartrees