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All results from a given calculation for SiH3OH (silanol)

using model chemistry: B2PLYP/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/daug-cc-pVTZ
 hartrees
Energy at 0K-367.029075
Energy at 298.15K 
HF Energy-366.903516
Nuclear repulsion energy64.473473
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 B2PLYP/daug-cc-pVTZ
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' 3896 3896 88.87 85.89 0.17 0.29
2 A' 2292 2292 102.43 130.86 0.17 0.29
3 A' 2247 2247 94.16 240.16 0.05 0.09
4 A' 1004 1004 183.00 2.14 0.74 0.85
5 A' 986 986 102.83 4.49 0.74 0.85
6 A' 908 908 27.05 6.27 0.32 0.49
7 A' 840 840 175.75 7.34 0.18 0.31
8 A' 690 690 64.34 2.62 0.62 0.76
9 A" 2242 2242 170.38 60.58 0.75 0.86
10 A" 968 968 76.13 5.69 0.75 0.86
11 A" 723 723 62.57 4.42 0.75 0.86
12 A" 194 194 97.21 0.55 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8495.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8495.2 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 B2PLYP/daug-cc-pVTZ
ABC
2.58302 0.45608 0.44739

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.030 -0.536 0.000
O2 0.030 1.127 0.000
H3 1.450 -0.932 0.000
H4 -0.649 -1.079 1.200
H5 -0.649 -1.079 -1.200
H6 -0.815 1.578 0.000

Atom - Atom Distances (Å)
  Si1 O2 H3 H4 H5 H6
Si11.66221.47431.48231.48232.2764
O21.66222.50112.60142.60140.9583
H31.47432.50112.42222.42223.3813
H41.48232.60142.42222.40062.9206
H51.48232.60142.42222.40062.9206
H62.27640.95833.38132.92062.9206

picture of silanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 O2 H6 118.110 O2 Si1 H3 105.614
O2 Si1 H4 111.518 O2 Si1 H5 111.518
H3 Si1 H4 110.020 H3 Si1 H5 110.020
H4 Si1 H5 108.147
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.186      
2 O -0.070      
3 H -0.344      
4 H -0.353      
5 H -0.353      
6 H -0.066      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.284 -0.043 0.000 1.284
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.230 -2.921 0.005
y -2.921 -20.837 0.014
z 0.005 0.014 -22.119
Traceless
 xyz
x 1.247 -2.921 0.005
y -2.921 0.338 0.014
z 0.005 0.014 -1.585
Polar
3z2-r2-3.170
x2-y20.606
xy-2.921
xz0.005
yz0.014


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.910 -0.031 -0.001
y -0.031 5.037 -0.001
z -0.001 -0.001 4.856


<r2> (average value of r2) Å2
<r2> 39.524
(<r2>)1/2 6.287