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All results from a given calculation for SiH3OH (silanol)

using model chemistry: B3LYPultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/TZVP
 hartrees
Energy at 0K-367.206220
Energy at 298.15K 
HF Energy-367.206220
Nuclear repulsion energy64.043352
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 B3LYPultrafine/TZVP
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' 3877 3735 75.39 86.52 0.27 0.42
2 A' 2258 2175 106.53 127.33 0.24 0.39
3 A' 2205 2124 98.62 206.87 0.08 0.15
4 A' 992 956 206.57 15.87 0.73 0.84
5 A' 968 932 109.38 16.23 0.75 0.86
6 A' 885 852 23.72 11.00 0.72 0.84
7 A' 828 797 186.25 9.19 0.28 0.43
8 A' 674 649 72.40 8.21 0.72 0.84
9 A" 2200 2119 186.40 79.00 0.75 0.86
10 A" 948 913 80.98 21.65 0.75 0.86
11 A" 710 684 76.15 16.91 0.75 0.86
12 A" 203 195 122.13 2.34 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8372.7 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 8066.3 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 B3LYPultrafine/TZVP
ABC
2.55757 0.44936 0.44077

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.031 -0.540 0.000
O2 0.031 1.136 0.000
H3 1.456 -0.942 0.000
H4 -0.655 -1.087 1.206
H5 -0.655 -1.087 -1.206
H6 -0.818 1.587 0.000

Atom - Atom Distances (Å)
  Si1 O2 H3 H4 H5 H6
Si11.67531.48121.49091.49092.2893
O21.67532.51972.61962.61960.9606
H31.48122.51972.43532.43533.4006
H41.49092.61962.43532.41142.9373
H51.49092.61962.43532.41142.9373
H62.28930.96063.40062.93732.9373

picture of silanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 O2 H6 118.013 O2 Si1 H3 105.769
O2 Si1 H4 111.526 O2 Si1 H5 111.526
H3 Si1 H4 110.045 H3 Si1 H5 110.045
H4 Si1 H5 107.935
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.595      
2 O -0.536      
3 H -0.102      
4 H -0.123      
5 H -0.123      
6 H 0.289      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.451 -0.169 0.000 1.461
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.133 -3.195 0.000
y -3.195 -20.744 0.000
z 0.000 0.000 -22.065
Traceless
 xyz
x 1.272 -3.195 0.000
y -3.195 0.354 0.000
z 0.000 0.000 -1.627
Polar
3z2-r2-3.253
x2-y20.612
xy-3.195
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.342 -0.042 0.000
y -0.042 4.133 0.000
z 0.000 0.000 4.162


<r2> (average value of r2) Å2
<r2> 39.840
(<r2>)1/2 6.312