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

using model chemistry: TPSSh/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at TPSSh/aug-cc-pVDZ
 hartrees
Energy at 0K-1710.076210
Energy at 298.15K-1710.079449
HF Energy-1710.076210
Nuclear repulsion energy433.767811
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 TPSSh/aug-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 A1 2249 2175 43.02      
2 A1 917 887 183.82      
3 A1 865 837 55.09      
4 A1 418 405 8.57      
5 A1 272 264 9.42      
6 A2 194 188 0.00      
7 E 2271 2197 67.93      
7 E 2271 2197 67.91      
8 E 943 913 48.91      
8 E 943 913 48.91      
9 E 725 701 47.73      
9 E 725 701 47.65      
10 E 595 576 75.19      
10 E 595 576 75.24      
11 E 261 253 0.09      
11 E 261 253 0.09      
12 E 148 143 0.04      
12 E 148 143 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 7400.7 cm-1
Scaled (by 0.9673) Zero Point Vibrational Energy (zpe) 7158.7 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 TPSSh/aug-cc-pVDZ
ABC
0.05462 0.05361 0.05361

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.889
C2 0.000 0.000 -0.042
H3 0.000 -1.420 2.326
H4 1.230 0.710 2.326
H5 -1.230 0.710 2.326
Cl6 0.000 1.698 -0.651
Cl7 1.471 -0.849 -0.651
Cl8 -1.471 -0.849 -0.651

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.93131.48611.48611.48613.05533.05533.0553
C21.93132.76142.76142.76141.80391.80391.8039
H31.48612.76142.46022.46024.31113.36903.3690
H41.48612.76142.46022.46023.36903.36904.3111
H51.48612.76142.46022.46023.36904.31113.3690
Cl63.05531.80394.31113.36903.36902.94122.9412
Cl73.05531.80393.36903.36904.31112.94122.9412
Cl83.05531.80393.36904.31113.36902.94122.9412

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 109.719 Si1 C2 Cl7 109.719
Si1 C2 Cl8 109.719 C2 Si1 H3 107.094
C2 Si1 H4 107.094 C2 Si1 H5 107.094
H3 Si1 H4 111.740 H3 Si1 H5 111.740
H4 Si1 H5 111.740 Cl6 C2 Cl7 109.222
Cl6 C2 Cl8 109.222 Cl7 C2 Cl8 109.222
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.014      
2 C -0.678      
3 H 0.180      
4 H 0.180      
5 H 0.180      
6 Cl 0.041      
7 Cl 0.041      
8 Cl 0.041      


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 1.911 1.911
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.560 0.000 0.000
y 0.000 12.559 0.001
z 0.000 0.001 12.189


<r2> (average value of r2) Å2
<r2> 277.009
(<r2>)1/2 16.644