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

using model chemistry: PBEPBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBE/6-31+G**
 hartrees
Energy at 0K-1709.150487
Energy at 298.15K-1709.153619
HF Energy-1709.150487
Nuclear repulsion energy432.656832
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 PBEPBE/6-31+G**
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 2198 2173 50.17      
2 A1 886 876 149.76      
3 A1 836 826 70.66      
4 A1 411 406 8.15      
5 A1 274 271 9.69      
6 A2 187 185 0.00      
7 E 2224 2198 77.77      
7 E 2224 2198 77.78      
8 E 907 896 47.43      
8 E 907 896 47.42      
9 E 699 691 58.69      
9 E 699 691 58.69      
10 E 577 570 84.27      
10 E 576 570 84.35      
11 E 263 260 0.15      
11 E 263 260 0.14      
12 E 152 150 0.03      
12 E 152 150 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 7216.3 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 7134.1 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 PBEPBE/6-31+G**
ABC
0.05409 0.05348 0.05348

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.885
C2 0.000 0.000 -0.051
H3 0.000 -1.425 2.328
H4 1.234 0.713 2.328
H5 -1.234 0.713 2.328
Cl6 0.000 1.707 -0.648
Cl7 1.478 -0.853 -0.648
Cl8 -1.478 -0.853 -0.648

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.93551.49271.49271.49273.05443.05443.0544
C21.93552.77342.77342.77341.80821.80821.8082
H31.49272.77342.46852.46854.32083.37243.3724
H41.49272.77342.46852.46853.37243.37244.3208
H51.49272.77342.46852.46853.37244.32083.3724
Cl63.05441.80824.32083.37243.37242.95582.9558
Cl73.05441.80823.37243.37244.32082.95582.9558
Cl83.05441.80823.37244.32083.37242.95582.9558

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 109.302 Si1 C2 Cl7 109.302
Si1 C2 Cl8 109.302 C2 Si1 H3 107.293
C2 Si1 H4 107.293 C2 Si1 H5 107.293
H3 Si1 H4 111.559 H3 Si1 H5 111.559
H4 Si1 H5 111.559 Cl6 C2 Cl7 109.640
Cl6 C2 Cl8 109.640 Cl7 C2 Cl8 109.640
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.369      
2 C -0.562      
3 H -0.037      
4 H -0.037      
5 H -0.037      
6 Cl 0.101      
7 Cl 0.101      
8 Cl 0.101      


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 1.711 1.711
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.349 0.000 0.000
y 0.000 -59.349 0.000
z 0.000 0.000 -56.334
Traceless
 xyz
x -1.508 0.000 0.000
y 0.000 -1.508 0.000
z 0.000 0.000 3.016
Polar
3z2-r26.031
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 11.834 0.000 0.000
y 0.000 11.835 -0.000
z 0.000 -0.000 11.071


<r2> (average value of r2) Å2
<r2> 278.518
(<r2>)1/2 16.689