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All results from a given calculation for SiH3OH (silanol)

using model chemistry: wB97X-D/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/aug-cc-pVQZ
 hartrees
Energy at 0K-367.183402
Energy at 298.15K 
HF Energy-367.183402
Nuclear repulsion energy64.817618
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 wB97X-D/aug-cc-pVQZ
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' 3976 3976 92.96 76.85 0.18 0.31
2 A' 2256 2256 87.85 171.16 0.10 0.18
3 A' 2230 2230 112.03 192.27 0.08 0.15
4 A' 999 999 179.83 1.54 0.74 0.85
5 A' 978 978 94.37 4.65 0.73 0.84
6 A' 906 906 11.67 7.33 0.29 0.45
7 A' 845 845 196.47 4.67 0.25 0.40
8 A' 683 683 67.87 2.41 0.63 0.77
9 A" 2218 2218 175.09 58.91 0.75 0.86
10 A" 961 961 71.89 5.45 0.75 0.86
11 A" 724 724 66.28 4.26 0.75 0.86
12 A" 183 183 98.04 0.56 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8478.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8478.6 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 wB97X-D/aug-cc-pVQZ
ABC
2.58698 0.46224 0.45348

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.030 -0.530 0.000
O2 0.030 1.118 0.000
H3 1.448 -0.940 0.000
H4 -0.652 -1.074 1.201
H5 -0.652 -1.074 -1.201
H6 -0.806 1.575 0.000

Atom - Atom Distances (Å)
  Si1 O2 H3 H4 H5 H6
Si11.64801.47581.48421.48422.2653
O21.64802.49872.59062.59060.9532
H31.47582.49872.42272.42273.3772
H41.48422.59062.42272.40152.9125
H51.48422.59062.42272.40152.9125
H62.26530.95323.37722.91252.9125

picture of silanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 O2 H6 118.657 O2 Si1 H3 106.107
O2 Si1 H4 111.495 O2 Si1 H5 111.495
H3 Si1 H4 109.867 H3 Si1 H5 109.867
H4 Si1 H5 108.006
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.898      
2 O -0.924      
3 H -0.088      
4 H -0.129      
5 H -0.129      
6 H 0.373      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.281 0.070 0.000 1.283
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.989 -2.913 0.000
y -2.913 -20.458 0.000
z 0.000 0.000 -21.846
Traceless
 xyz
x 1.163 -2.913 0.000
y -2.913 0.459 0.000
z 0.000 0.000 -1.622
Polar
3z2-r2-3.244
x2-y20.469
xy-2.913
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.935 -0.033 0.000
y -0.033 4.987 0.000
z 0.000 0.000 4.883


<r2> (average value of r2) Å2
<r2> 39.072
(<r2>)1/2 6.251