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

using model chemistry: PBE1PBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBE1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-1709.310649
Energy at 298.15K-1709.313986
HF Energy-1709.310649
Nuclear repulsion energy439.387633
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 PBE1PBE/6-31G(2df,p)
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 2249 2152 45.03      
2 A1 930 890 127.38      
3 A1 878 841 109.39      
4 A1 440 421 7.26      
5 A1 281 269 9.35      
6 A2 189 181 0.00      
7 E 2270 2172 71.27      
7 E 2270 2172 71.28      
8 E 935 894 51.52      
8 E 935 894 51.52      
9 E 772 739 57.72      
9 E 772 739 57.72      
10 E 610 584 51.88      
10 E 610 584 51.88      
11 E 271 259 0.00      
11 E 271 259 0.00      
12 E 153 146 0.07      
12 E 153 146 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 7493.6 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 7171.4 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 PBE1PBE/6-31G(2df,p)
ABC
0.05599 0.05509 0.05509

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.861
C2 0.000 0.000 -0.051
H3 0.000 -1.414 2.304
H4 1.225 0.707 2.304
H5 -1.225 0.707 2.304
Cl6 0.000 1.677 -0.640
Cl7 1.452 -0.838 -0.640
Cl8 -1.452 -0.838 -0.640

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.91241.48221.48221.48223.01163.01163.0116
C21.91242.74772.74772.74771.77741.77741.7774
H31.48222.74772.44972.44974.26943.33363.3336
H41.48222.74772.44972.44973.33363.33364.2694
H51.48222.74772.44972.44973.33364.26943.3336
Cl63.01161.77744.26943.33363.33362.90452.9045
Cl73.01161.77743.33363.33364.26942.90452.9045
Cl83.01161.77743.33364.26943.33362.90452.9045

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 109.355 Si1 C2 Cl7 109.355
Si1 C2 Cl8 109.355 C2 Si1 H3 107.403
C2 Si1 H4 107.403 C2 Si1 H5 107.403
H3 Si1 H4 111.458 H3 Si1 H5 111.458
H4 Si1 H5 111.458 Cl6 C2 Cl7 109.587
Cl6 C2 Cl8 109.587 Cl7 C2 Cl8 109.587
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.005      
2 C 0.026      
3 H 0.051      
4 H 0.051      
5 H 0.051      
6 Cl -0.061      
7 Cl -0.061      
8 Cl -0.061      


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 1.441 1.441
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.951 0.000 0.000
y 0.000 -57.951 0.000
z 0.000 0.000 -55.430
Traceless
 xyz
x -1.261 0.000 0.000
y 0.000 -1.261 0.000
z 0.000 0.000 2.521
Polar
3z2-r25.042
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 10.484 0.000 0.000
y 0.000 10.483 0.000
z 0.000 0.000 9.951


<r2> (average value of r2) Å2
<r2> 270.445
(<r2>)1/2 16.445