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All results from a given calculation for SiH3OH (silanol)

using model chemistry: B2PLYP=FULLultrafine/cc-pVDZ

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=FULLultrafine/cc-pVDZ
 hartrees
Energy at 0K-366.945793
Energy at 298.15K 
HF Energy-366.844880
Nuclear repulsion energy63.672194
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=FULLultrafine/cc-pVDZ
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' 3866 3704 77.23 83.82 0.27 0.43
2 A' 2279 2183 104.11 113.32 0.26 0.41
3 A' 2228 2135 92.14 187.92 0.08 0.15
4 A' 1019 977 207.23 11.28 0.73 0.84
5 A' 973 932 103.92 17.04 0.75 0.86
6 A' 922 884 63.48 11.19 0.75 0.85
7 A' 834 799 111.30 8.88 0.22 0.37
8 A' 696 667 67.68 7.15 0.71 0.83
9 A" 2224 2131 179.42 71.15 0.75 0.86
10 A" 950 910 82.57 20.87 0.75 0.86
11 A" 722 692 72.35 13.73 0.75 0.86
12 A" 230 221 105.70 2.71 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8470.9 cm-1
Scaled (by 0.9582) Zero Point Vibrational Energy (zpe) 8116.8 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=FULLultrafine/cc-pVDZ
ABC
2.53543 0.44365 0.43483

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.031 -0.543 0.000
O2 0.031 1.148 0.000
H3 1.463 -0.933 0.000
H4 -0.648 -1.101 1.207
H5 -0.648 -1.101 -1.207
H6 -0.844 1.555 0.000

Atom - Atom Distances (Å)
  Si1 O2 H3 H4 H5 H6
Si11.69041.48421.49361.49362.2727
O21.69042.52572.64122.64120.9650
H31.48422.52572.43812.43813.3926
H41.49362.64122.43812.41492.9239
H51.49362.64122.43812.41492.9239
H62.27270.96503.39262.92392.9239

picture of silanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 O2 H6 114.954 O2 Si1 H3 105.233
O2 Si1 H4 111.945 O2 Si1 H5 111.945
H3 Si1 H4 109.913 H3 Si1 H5 109.913
H4 Si1 H5 107.880
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.531      
2 O -0.385      
3 H -0.090      
4 H -0.113      
5 H -0.113      
6 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.372 -0.053 0.000 1.373
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.963 -2.910 0.006
y -2.910 -20.631 0.017
z 0.006 0.017 -21.909
Traceless
 xyz
x 1.307 -2.910 0.006
y -2.910 0.305 0.017
z 0.006 0.017 -1.612
Polar
3z2-r2-3.224
x2-y20.668
xy-2.910
xz0.006
yz0.017


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.114 -0.097 -0.001
y -0.097 4.015 -0.001
z -0.001 -0.001 3.894


<r2> (average value of r2) Å2
<r2> 40.016
(<r2>)1/2 6.326