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All results from a given calculation for SiH3CCl3 ((trichloromethyl)silane)

using model chemistry: B3LYP/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYP/CEP-31G*
 hartrees
Energy at 0K-56.078133
Energy at 298.15K-56.081329
HF Energy-56.078133
Nuclear repulsion energy85.749254
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 B3LYP/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 2231 2154 41.36      
2 A1 921 889 190.10      
3 A1 866 836 54.44      
4 A1 410 396 10.71      
5 A1 272 263 10.66      
6 A2 187 181 0.00      
7 E 2259 2181 92.34      
7 E 2259 2181 92.36      
8 E 932 900 58.25      
8 E 932 900 58.25      
9 E 732 707 60.89      
9 E 732 707 60.92      
10 E 601 581 86.69      
10 E 601 581 86.71      
11 E 262 253 0.13      
11 E 262 253 0.13      
12 E 156 151 0.06      
12 E 156 151 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 7384.5 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 7131.2 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 B3LYP/CEP-31G*
ABC
0.05344 0.05295 0.05295

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.892
C2 0.000 0.000 -0.046
H3 0.000 -1.424 2.334
H4 1.233 0.712 2.334
H5 -1.233 0.712 2.334
Cl6 0.000 1.717 -0.651
Cl7 1.487 -0.859 -0.651
Cl8 -1.487 -0.859 -0.651

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.93801.49091.49091.49093.06893.06893.0689
C21.93802.77342.77342.77341.82071.82071.8207
H31.49092.77342.46632.46634.33353.38293.3829
H41.49092.77342.46632.46633.38293.38294.3335
H51.49092.77342.46632.46633.38294.33353.3829
Cl63.06891.82074.33353.38293.38292.97412.9741
Cl73.06891.82073.38293.38294.33352.97412.9741
Cl83.06891.82073.38294.33353.38292.97412.9741

picture of (trichloromethyl)silane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 Cl6 109.426 Si1 C2 Cl7 109.426
Si1 C2 Cl8 109.426 C2 Si1 H3 107.243
C2 Si1 H4 107.243 C2 Si1 H5 107.243
H3 Si1 H4 111.605 H3 Si1 H5 111.605
H4 Si1 H5 111.605 Cl6 C2 Cl7 109.516
Cl6 C2 Cl8 109.516 Cl7 C2 Cl8 109.516
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.040      
2 C -0.099      
3 H 0.053      
4 H 0.053      
5 H 0.053      
6 Cl -0.034      
7 Cl -0.034      
8 Cl -0.034      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.973 1.973
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -55.541 0.000 0.000
y 0.000 -55.541 0.000
z 0.000 0.000 -52.510
Traceless
 xyz
x -1.515 0.000 0.000
y 0.000 -1.515 0.000
z 0.000 0.000 3.030
Polar
3z2-r26.061
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.869 0.000 0.000
y 0.000 9.869 0.000
z 0.000 0.000 8.500


<r2> (average value of r2) Å2
<r2> 141.642
(<r2>)1/2 11.901