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

using model chemistry: HF/SDD

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/SDD
 hartrees
Energy at 0K-1706.789769
Energy at 298.15K-1706.793318
HF Energy-1706.789769
Nuclear repulsion energy426.375705
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/SDD
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 2342 2109 55.40      
2 A1 984 886 375.31      
3 A1 916 825 1.50      
4 A1 418 376 14.25      
5 A1 292 263 14.67      
6 A2 191 172 0.00      
7 E 2349 2115 95.44      
7 E 2349 2115 95.44      
8 E 1020 918 85.38      
8 E 1020 918 85.38      
9 E 793 714 24.37      
9 E 793 714 24.37      
10 E 652 587 103.78      
10 E 652 587 103.78      
11 E 283 255 0.33      
11 E 283 255 0.33      
12 E 183 165 0.01      
12 E 183 165 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 7851.2 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 7069.2 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/SDD
ABC
0.05255 0.05182 0.05182

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/SDD

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.918
C2 0.000 0.000 -0.021
H3 0.000 -1.411 2.343
H4 1.222 0.706 2.343
H5 -1.222 0.706 2.343
Cl6 0.000 1.732 -0.662
Cl7 1.500 -0.866 -0.662
Cl8 -1.500 -0.866 -0.662

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.93861.47361.47361.47363.10743.10743.1074
C21.93862.75252.75252.75251.84701.84701.8470
H31.47362.75252.44402.44404.34823.40223.4022
H41.47362.75252.44402.44403.40223.40224.3482
H51.47362.75252.44402.44403.40224.34823.4022
Cl63.10741.84704.34823.40223.40223.00023.0002
Cl73.10741.84703.40223.40224.34823.00023.0002
Cl83.10741.84703.40224.34823.40223.00023.0002

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 110.313 Si1 C2 Cl7 110.313
Si1 C2 Cl8 110.313 C2 Si1 H3 106.754
C2 Si1 H4 106.754 C2 Si1 H5 106.754
H3 Si1 H4 112.047 H3 Si1 H5 112.047
H4 Si1 H5 112.047 Cl6 C2 Cl7 108.616
Cl6 C2 Cl8 108.616 Cl7 C2 Cl8 108.616
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.043      
2 C -0.661      
3 H -0.144      
4 H -0.144      
5 H -0.144      
6 Cl 0.017      
7 Cl 0.017      
8 Cl 0.017      


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 2.849 2.849
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.259 0.000 0.000
y 0.000 -62.259 0.000
z 0.000 0.000 -56.439
Traceless
 xyz
x -2.910 0.000 0.000
y 0.000 -2.910 0.000
z 0.000 0.000 5.820
Polar
3z2-r211.641
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 9.172 0.000 0.000
y 0.000 9.172 0.000
z 0.000 0.000 7.140


<r2> (average value of r2) Å2
<r2> 286.977
(<r2>)1/2 16.940