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All results from a given calculation for SiH3OH (silanol)

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-367.044696
Energy at 298.15K 
HF Energy-367.044696
Nuclear repulsion energy62.632564
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B1B95/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3836 3659 57.99 125.08 0.29 0.45
2 A' 2256 2151 135.94 109.05 0.32 0.49
3 A' 2177 2076 121.42 200.80 0.07 0.13
4 A' 985 940 172.60 20.47 0.71 0.83
5 A' 935 892 111.82 25.15 0.75 0.86
6 A' 906 864 42.20 22.60 0.75 0.86
7 A' 730 696 131.44 14.43 0.22 0.36
8 A' 671 640 107.73 8.08 0.72 0.84
9 A" 2183 2082 238.62 82.30 0.75 0.86
10 A" 910 868 74.72 35.41 0.75 0.86
11 A" 680 648 74.85 18.58 0.75 0.86
12 A" 236 225 201.86 3.81 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8252.1 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 7870.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B1B95/6-31G
ABC
2.55800 0.42339 0.41666

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.028 -0.559 0.000
O2 0.028 1.166 0.000
H3 1.466 -0.946 0.000
H4 -0.653 -1.125 1.215
H5 -0.653 -1.125 -1.215
H6 -0.777 1.698 0.000

Atom - Atom Distances (Å)
  Si1 O2 H3 H4 H5 H6
Si11.72501.48861.50271.50272.3970
O21.72502.55452.68042.68040.9655
H31.48862.55452.44832.44833.4674
H41.50272.68042.44832.42913.0757
H51.50272.68042.44832.42913.0757
H62.39700.96553.46743.07573.0757

picture of silanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 O2 H6 123.481 O2 Si1 H3 105.052
O2 Si1 H4 112.101 O2 Si1 H5 112.101
H3 Si1 H4 109.862 H3 Si1 H5 109.862
H4 Si1 H5 107.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.782      
2 O -0.817      
3 H -0.101      
4 H -0.132      
5 H -0.132      
6 H 0.399      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.714 -0.603 0.000 1.817
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.168 -3.683 0.000
y -3.683 -20.337 0.000
z 0.000 0.000 -21.982
Traceless
 xyz
x 0.992 -3.683 0.000
y -3.683 0.738 0.000
z 0.000 0.000 -1.730
Polar
3z2-r2-3.459
x2-y20.169
xy-3.683
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.670 -0.116 0.000
y -0.116 3.842 0.000
z 0.000 0.000 3.405


<r2> (average value of r2) Å2
<r2> 41.141
(<r2>)1/2 6.414