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

using model chemistry: PBEPBEultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-1709.302669
Energy at 298.15K-1709.305773
HF Energy-1709.302669
Nuclear repulsion energy434.660526
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 PBEPBEultrafine/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 2177 2162 42.39      
2 A1 885 879 133.49      
3 A1 835 829 82.08      
4 A1 412 409 8.11      
5 A1 270 268 8.79      
6 A2 179 178 0.00      
7 E 2203 2187 66.49      
7 E 2203 2187 66.51      
8 E 899 893 45.01      
8 E 899 893 45.01      
9 E 696 691 50.20      
9 E 696 691 50.19      
10 E 575 571 72.96      
10 E 575 571 72.96      
11 E 257 255 0.16      
11 E 257 255 0.16      
12 E 147 146 0.04      
12 E 147 146 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 7155.3 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 7105.9 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 PBEPBEultrafine/cc-pVTZ
ABC
0.05467 0.05396 0.05396

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.877
C2 0.000 0.000 -0.049
H3 0.000 -1.424 2.326
H4 1.233 0.712 2.326
H5 -1.233 0.712 2.326
Cl6 0.000 1.697 -0.646
Cl7 1.470 -0.849 -0.646
Cl8 -1.470 -0.849 -0.646

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.92621.49261.49261.49263.04113.04113.0411
C21.92622.76862.76862.76861.79931.79931.7993
H31.49262.76862.46582.46584.30953.36503.3650
H41.49262.76862.46582.46583.36503.36504.3095
H51.49262.76862.46582.46583.36504.30953.3650
Cl63.04111.79934.30953.36503.36502.93972.9397
Cl73.04111.79933.36503.36504.30952.93972.9397
Cl83.04111.79933.36504.30953.36502.93972.9397

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 109.387 Si1 C2 Cl7 109.387
Si1 C2 Cl8 109.387 C2 Si1 H3 107.483
C2 Si1 H4 107.483 C2 Si1 H5 107.483
H3 Si1 H4 111.384 H3 Si1 H5 111.384
H4 Si1 H5 111.384 Cl6 C2 Cl7 109.555
Cl6 C2 Cl8 109.555 Cl7 C2 Cl8 109.555
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.231      
2 C -0.094      
3 H -0.001      
4 H -0.001      
5 H -0.001      
6 Cl -0.044      
7 Cl -0.044      
8 Cl -0.044      


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 1.341 1.341
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.482 0.000 0.000
y 0.000 -58.482 0.000
z 0.000 0.000 -56.093
Traceless
 xyz
x -1.195 0.000 0.000
y 0.000 -1.195 0.000
z 0.000 0.000 2.389
Polar
3z2-r24.778
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 11.667 0.000 0.000
y 0.000 11.667 0.000
z 0.000 0.000 11.162


<r2> (average value of r2) Å2
<r2> 275.897
(<r2>)1/2 16.610