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

using model chemistry: mPW1PW91/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-1710.069900
Energy at 298.15K-1710.073271
HF Energy-1710.069900
Nuclear repulsion energy436.499532
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-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 2238 2145 42.39      
2 A1 917 879 128.02      
3 A1 871 835 96.68      
4 A1 435 417 7.49      
5 A1 281 270 9.02      
6 A2 197 189 0.00      
7 E 2262 2168 65.96      
7 E 2262 2168 66.00      
8 E 934 895 48.44      
8 E 934 895 48.46      
9 E 762 730 54.67      
9 E 762 730 54.70      
10 E 606 581 55.08      
10 E 606 581 55.06      
11 E 272 261 0.04      
11 E 272 261 0.04      
12 E 158 151 0.09      
12 E 158 151 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 7463.3 cm-1
Scaled (by 0.9583) 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 mPW1PW91/aug-cc-pVDZ
ABC
0.05543 0.05427 0.05427

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.880
C2 0.000 0.000 -0.048
H3 0.000 -1.423 2.319
H4 1.233 0.712 2.319
H5 -1.233 0.712 2.319
Cl6 0.000 1.685 -0.647
Cl7 1.460 -0.843 -0.647
Cl8 -1.460 -0.843 -0.647

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.92861.48931.48931.48933.03773.03773.0377
C21.92862.76202.76202.76201.78861.78861.7886
H31.48932.76202.46532.46534.29653.35603.3560
H41.48932.76202.46532.46533.35603.35604.2965
H51.48932.76202.46532.46533.35604.29653.3560
Cl63.03771.78864.29653.35603.35602.91932.9193
Cl73.03771.78863.35603.35604.29652.91932.9193
Cl83.03771.78863.35604.29653.35602.91932.9193

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 109.553 Si1 C2 Cl7 109.553
Si1 C2 Cl8 109.553 C2 Si1 H3 107.119
C2 Si1 H4 107.119 C2 Si1 H5 107.119
H3 Si1 H4 111.717 H3 Si1 H5 111.717
H4 Si1 H5 111.717 Cl6 C2 Cl7 109.389
Cl6 C2 Cl8 109.389 Cl7 C2 Cl8 109.389
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si -0.168      
2 C -0.809      
3 H 0.247      
4 H 0.247      
5 H 0.247      
6 Cl 0.079      
7 Cl 0.079      
8 Cl 0.079      


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 1.589 1.589
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.650 0.000 0.000
y 0.000 -58.650 0.000
z 0.000 0.000 -55.906
Traceless
 xyz
x -1.372 0.000 0.000
y 0.000 -1.372 0.000
z 0.000 0.000 2.744
Polar
3z2-r25.488
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 12.356 0.000 0.000
y 0.000 12.355 0.000
z 0.000 0.000 12.072


<r2> (average value of r2) Å2
<r2> 274.005
(<r2>)1/2 16.553