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All results from a given calculation for SiH3OH (silanol)

using model chemistry: BLYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-311G*
 hartrees
Energy at 0K-367.143451
Energy at 298.15K 
HF Energy-367.143451
Nuclear repulsion energy63.806498
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 BLYP/6-311G*
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' 3717 3708 39.07 103.46 0.31 0.47
2 A' 2209 2203 110.43 132.95 0.25 0.40
3 A' 2144 2138 114.33 197.05 0.09 0.17
4 A' 1007 1004 224.04 18.84 0.72 0.84
5 A' 946 943 115.21 23.83 0.75 0.86
6 A' 890 887 36.71 15.95 0.73 0.85
7 A' 792 790 166.49 9.89 0.25 0.40
8 A' 683 681 79.33 9.21 0.72 0.83
9 A" 2137 2132 208.40 89.70 0.75 0.86
10 A" 917 915 87.13 28.28 0.75 0.86
11 A" 704 702 75.82 18.51 0.75 0.86
12 A" 239 239 134.52 3.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8192.0 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 8171.5 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 BLYP/6-311G*
ABC
2.56149 0.44577 0.43734

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.029 -0.540 0.000
O2 0.029 1.138 0.000
H3 1.463 -0.930 0.000
H4 -0.647 -1.119 1.205
H5 -0.647 -1.119 -1.205
H6 -0.814 1.618 0.000

Atom - Atom Distances (Å)
  Si1 O2 H3 H4 H5 H6
Si11.67771.48641.49831.49832.3162
O21.67772.51702.64652.64650.9702
H31.48642.51702.43732.43733.4175
H41.49832.64652.43732.40972.9949
H51.49832.64652.43732.40972.9949
H62.31620.97023.41752.99492.9949

picture of silanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 O2 H6 119.625 O2 Si1 H3 105.242
O2 Si1 H4 112.756 O2 Si1 H5 112.756
H3 Si1 H4 109.496 H3 Si1 H5 109.496
H4 Si1 H5 107.062
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.633      
2 O -0.725      
3 H -0.084      
4 H -0.114      
5 H -0.114      
6 H 0.404      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.543 0.123 0.000 1.548
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.340 -3.322 0.000
y -3.322 -20.504 0.000
z 0.000 0.000 -22.322
Traceless
 xyz
x 1.073 -3.322 0.000
y -3.322 0.827 0.000
z 0.000 0.000 -1.900
Polar
3z2-r2-3.801
x2-y20.164
xy-3.322
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.235 -0.060 0.000
y -0.060 4.061 0.000
z 0.000 0.000 3.992


<r2> (average value of r2) Å2
<r2> 40.139
(<r2>)1/2 6.336