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

using model chemistry: TPSSh/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 TPSSh/aug-cc-pVTZ
 hartrees
Energy at 0K-1710.142790
Energy at 298.15K-1710.145992
HF Energy-1710.142790
Nuclear repulsion energy435.979128
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-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 2260 2182 43.91      
2 A1 925 893 199.69      
3 A1 868 838 45.94      
4 A1 418 404 8.13      
5 A1 271 261 9.32      
6 A2 183 177 0.00      
7 E 2281 2202 68.81      
7 E 2281 2202 68.78      
8 E 946 913 50.01      
8 E 946 913 50.00      
9 E 721 696 41.13      
9 E 721 696 41.12      
10 E 597 577 78.19      
10 E 597 577 78.17      
11 E 258 249 0.07      
11 E 258 249 0.07      
12 E 144 139 0.04      
12 E 144 139 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 7410.0 cm-1
Scaled (by 0.9652) Zero Point Vibrational Energy (zpe) 7152.1 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 TPSSh/aug-cc-pVTZ
ABC
0.05506 0.05423 0.05423

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.875
C2 0.000 0.000 -0.044
H3 0.000 -1.411 2.314
H4 1.222 0.706 2.314
H5 -1.222 0.706 2.314
Cl6 0.000 1.692 -0.646
Cl7 1.465 -0.846 -0.646
Cl8 -1.465 -0.846 -0.646

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.91931.47811.47811.47813.03563.03563.0356
C21.91932.74862.74862.74861.79521.79521.7952
H31.47812.74862.44442.44444.28823.35073.3507
H41.47812.74862.44442.44443.35073.35074.2882
H51.47812.74862.44442.44443.35074.28823.3507
Cl63.03561.79524.28823.35073.35072.92982.9298
Cl73.03561.79523.35073.35074.28822.92982.9298
Cl83.03561.79523.35074.28823.35072.92982.9298

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 109.571 Si1 C2 Cl7 109.571
Si1 C2 Cl8 109.571 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 109.372
Cl6 C2 Cl8 109.372 Cl7 C2 Cl8 109.372
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.678      
2 C 0.603      
3 H -0.131      
4 H -0.131      
5 H -0.131      
6 Cl -0.296      
7 Cl -0.296      
8 Cl -0.296      


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 1.749 1.749
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 12.604 0.000 0.000
y 0.000 12.603 0.000
z 0.000 0.000 12.209


<r2> (average value of r2) Å2
<r2> 274.466
(<r2>)1/2 16.567