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

using model chemistry: mPW1PW91/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 mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-1710.058257
Energy at 298.15K-1710.061620
HF Energy-1710.058257
Nuclear repulsion energy436.209285
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/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 2237 2144 43.68      
2 A1 920 881 124.74      
3 A1 873 837 111.29      
4 A1 433 415 8.86      
5 A1 282 271 10.32      
6 A2 195 187 0.00      
7 E 2261 2167 73.35      
7 E 2261 2167 73.36      
8 E 933 894 54.01      
8 E 933 894 54.01      
9 E 763 731 63.13      
9 E 763 731 63.14      
10 E 606 581 61.73      
10 E 606 581 61.74      
11 E 273 262 0.03      
11 E 273 262 0.03      
12 E 159 152 0.05      
12 E 159 152 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 7465.3 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 7154.0 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/cc-pVDZ
ABC
0.05530 0.05422 0.05422

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.879
C2 0.000 0.000 -0.051
H3 0.000 -1.423 2.323
H4 1.232 0.712 2.323
H5 -1.232 0.712 2.323
Cl6 0.000 1.687 -0.647
Cl7 1.461 -0.844 -0.647
Cl8 -1.461 -0.844 -0.647

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.93021.49071.49071.49073.03783.03783.0378
C21.93022.76782.76782.76781.78951.78951.7895
H31.49072.76782.46492.46494.30053.36013.3601
H41.49072.76782.46492.46493.36013.36014.3005
H51.49072.76782.46492.46493.36014.30053.3601
Cl63.03781.78954.30053.36013.36012.92272.9227
Cl73.03781.78953.36013.36014.30052.92272.9227
Cl83.03781.78953.36014.30053.36012.92272.9227

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 109.447 Si1 C2 Cl7 109.447
Si1 C2 Cl8 109.447 C2 Si1 H3 107.314
C2 Si1 H4 107.314 C2 Si1 H5 107.314
H3 Si1 H4 111.540 H3 Si1 H5 111.540
H4 Si1 H5 111.540 Cl6 C2 Cl7 109.496
Cl6 C2 Cl8 109.496 Cl7 C2 Cl8 109.496
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.383      
2 C -0.403      
3 H -0.015      
4 H -0.015      
5 H -0.015      
6 Cl 0.022      
7 Cl 0.022      
8 Cl 0.022      


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 1.588 1.588
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.143 0.000 0.000
y 0.000 -58.143 0.000
z 0.000 0.000 -55.434
Traceless
 xyz
x -1.354 0.000 0.000
y 0.000 -1.354 0.000
z 0.000 0.000 2.709
Polar
3z2-r25.418
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 9.971 0.000 0.000
y 0.000 9.971 0.000
z 0.000 0.000 9.060


<r2> (average value of r2) Å2
<r2> 274.018
(<r2>)1/2 16.554