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All results from a given calculation for SiH3OH (silanol)

using model chemistry: B97D3/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31G(2df,p)
 hartrees
Energy at 0K-367.097923
Energy at 298.15K 
HF Energy-367.097923
Nuclear repulsion energy64.363194
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 B97D3/6-31G(2df,p)
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' 3825 3825 65.31 78.83 0.27 0.42
2 A' 2208 2208 106.01 97.50 0.23 0.37
3 A' 2153 2153 101.65 145.19 0.08 0.15
4 A' 993 993 154.18 4.23 0.67 0.80
5 A' 957 957 96.37 9.57 0.74 0.85
6 A' 913 913 54.94 10.42 0.68 0.81
7 A' 824 824 124.19 7.79 0.18 0.30
8 A' 682 682 58.37 4.50 0.64 0.78
9 A" 2146 2146 181.27 57.56 0.75 0.86
10 A" 931 931 66.90 12.59 0.75 0.86
11 A" 701 701 56.22 8.35 0.75 0.86
12 A" 211 211 93.75 1.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8271.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8271.1 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 B97D3/6-31G(2df,p)
ABC
2.54795 0.45626 0.44715

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.030 -0.532 0.000
O2 0.030 1.128 0.000
H3 1.462 -0.928 0.000
H4 -0.646 -1.101 1.206
H5 -0.646 -1.101 -1.206
H6 -0.835 1.550 0.000

Atom - Atom Distances (Å)
  Si1 O2 H3 H4 H5 H6
Si11.66051.48551.49521.49522.2550
O21.66052.50572.62352.62350.9624
H31.48552.50572.43492.43493.3789
H41.49522.62352.43492.41212.9191
H51.49522.62352.43492.41212.9191
H62.25500.96243.37892.91912.9191

picture of silanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 O2 H6 116.007 O2 Si1 H3 105.450
O2 Si1 H4 112.371 O2 Si1 H5 112.371
H3 Si1 H4 109.546 H3 Si1 H5 109.546
H4 Si1 H5 107.526
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.138      
2 O -0.427      
3 H 0.009      
4 H -0.013      
5 H -0.013      
6 H 0.306      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.300 0.229 0.000 1.320
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.625 -2.758 0.000
y -2.758 -19.912 0.000
z 0.000 0.000 -21.532
Traceless
 xyz
x 1.098 -2.758 0.000
y -2.758 0.666 0.000
z 0.000 0.000 -1.764
Polar
3z2-r2-3.527
x2-y20.288
xy-2.758
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.131 -0.110 0.000
y -0.110 4.145 0.000
z 0.000 0.000 3.956


<r2> (average value of r2) Å2
<r2> 39.153
(<r2>)1/2 6.257