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

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-1688.490193
Energy at 298.15K-1688.493752
HF Energy-1688.490193
Nuclear repulsion energy431.645052
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 HF/STO-3G
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 2881 2352 1.43      
2 A1 1134 926 256.36      
3 A1 1068 872 110.93      
4 A1 496 405 6.47      
5 A1 309 252 16.96      
6 A2 164 134 0.00      
7 E 2942 2402 2.82      
7 E 2942 2402 2.82      
8 E 1187 969 92.73      
8 E 1187 969 92.73      
9 E 1024 836 51.46      
9 E 1024 836 51.46      
10 E 762 622 68.67      
10 E 762 622 68.67      
11 E 293 239 1.90      
11 E 293 239 1.90      
12 E 185 151 0.12      
12 E 185 151 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 9417.1 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 7689.1 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 HF/STO-3G
ABC
0.05387 0.05297 0.05297

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.901
C2 0.000 0.000 -0.016
H3 0.000 -1.361 2.309
H4 1.179 0.681 2.309
H5 -1.179 0.681 2.309
Cl6 0.000 1.712 -0.656
Cl7 1.482 -0.856 -0.656
Cl8 -1.482 -0.856 -0.656

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.91671.42121.42121.42123.07673.07673.0767
C21.91672.69432.69432.69431.82721.82721.8272
H31.42122.69432.35772.35774.27013.35333.3533
H41.42122.69432.35772.35773.35333.35334.2701
H51.42122.69432.35772.35773.35334.27013.3533
Cl63.07671.82724.27013.35333.35332.96452.9645
Cl73.07671.82723.35333.35334.27012.96452.9645
Cl83.07671.82723.35334.27013.35332.96452.9645

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 110.500 Si1 C2 Cl7 110.500
Si1 C2 Cl8 110.500 C2 Si1 H3 106.703
C2 Si1 H4 106.703 C2 Si1 H5 106.703
H3 Si1 H4 112.092 H3 Si1 H5 112.092
H4 Si1 H5 112.092 Cl6 C2 Cl7 108.423
Cl6 C2 Cl8 108.423 Cl7 C2 Cl8 108.423
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.767      
2 C -0.029      
3 H -0.124      
4 H -0.124      
5 H -0.124      
6 Cl -0.122      
7 Cl -0.122      
8 Cl -0.122      


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 3.433 3.433
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.293 0.000 0.000
y 0.000 -57.293 0.000
z 0.000 0.000 -50.859
Traceless
 xyz
x -3.217 0.000 0.000
y 0.000 -3.217 0.000
z 0.000 0.000 6.434
Polar
3z2-r212.868
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 4.847 0.000 0.000
y 0.000 4.847 0.000
z 0.000 0.000 3.334


<r2> (average value of r2) Å2
<r2> 277.920
(<r2>)1/2 16.671