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

using model chemistry: mPW1PW91/aug-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 mPW1PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-1710.134987
Energy at 298.15K-1710.138319
HF Energy-1710.134987
Nuclear repulsion energy438.703462
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 mPW1PW91/aug-cc-pVTZ
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 2250 2155 43.60      
2 A1 924 885 150.63      
3 A1 874 837 84.03      
4 A1 434 416 7.04      
5 A1 280 268 8.91      
6 A2 187 179 0.00      
7 E 2272 2177 68.44      
7 E 2272 2177 68.42      
8 E 937 897 50.07      
8 E 937 897 50.08      
9 E 757 725 49.48      
9 E 757 725 49.50      
10 E 608 582 56.50      
10 E 608 582 56.49      
11 E 269 258 0.03      
11 E 269 258 0.03      
12 E 154 147 0.09      
12 E 154 147 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 7469.3 cm-1
Scaled (by 0.9581) Zero Point Vibrational Energy (zpe) 7156.3 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 mPW1PW91/aug-cc-pVTZ
ABC
0.05585 0.05489 0.05489

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.866
C2 0.000 0.000 -0.051
H3 0.000 -1.413 2.307
H4 1.224 0.707 2.307
H5 -1.224 0.707 2.307
Cl6 0.000 1.679 -0.642
Cl7 1.454 -0.840 -0.642
Cl8 -1.454 -0.840 -0.642

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.91631.48061.48061.48063.01793.01793.0179
C21.91632.74902.74902.74901.78031.78031.7803
H31.48062.74902.44772.44774.27333.33793.3379
H41.48062.74902.44772.44773.33793.33794.2733
H51.48062.74902.44772.44773.33794.27333.3379
Cl63.01791.78034.27333.33793.33792.90852.9085
Cl73.01791.78033.33793.33794.27332.90852.9085
Cl83.01791.78033.33794.27333.33792.90852.9085

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 109.397 Si1 C2 Cl7 109.397
Si1 C2 Cl8 109.397 C2 Si1 H3 107.357
C2 Si1 H4 107.357 C2 Si1 H5 107.357
H3 Si1 H4 111.500 H3 Si1 H5 111.500
H4 Si1 H5 111.500 Cl6 C2 Cl7 109.545
Cl6 C2 Cl8 109.545 Cl7 C2 Cl8 109.545
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.721      
2 C 0.534      
3 H -0.142      
4 H -0.142      
5 H -0.142      
6 Cl -0.277      
7 Cl -0.277      
8 Cl -0.277      


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 1.463 1.463
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.457 0.000 0.000
y 0.000 -58.457 0.000
z 0.000 0.000 -55.839
Traceless
 xyz
x -1.309 0.000 0.000
y 0.000 -1.309 0.000
z 0.000 0.000 2.618
Polar
3z2-r25.236
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 12.400 0.000 0.000
y 0.000 12.399 0.000
z 0.000 0.000 12.089


<r2> (average value of r2) Å2
<r2> 271.498
(<r2>)1/2 16.477