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

using model chemistry: HF/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-54.886741
Energy at 298.15K-54.890234
HF Energy-54.886741
Nuclear repulsion energy84.750786
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/CEP-121G
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 2311 2109 42.12      
2 A1 946 863 334.33      
3 A1 893 814 5.33      
4 A1 422 385 12.82      
5 A1 289 264 15.32      
6 A2 158 144 0.00      
7 E 2340 2135 90.53      
7 E 2340 2135 90.53      
8 E 966 882 79.95      
8 E 966 882 79.95      
9 E 790 721 46.63      
9 E 790 721 46.63      
10 E 636 580 84.84      
10 E 636 580 84.84      
11 E 283 259 0.45      
11 E 283 259 0.45      
12 E 180 164 0.00      
12 E 180 164 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7703.6 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 7029.5 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/CEP-121G
ABC
0.05245 0.05139 0.05139

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.933
C2 0.000 0.000 -0.027
H3 0.000 -1.424 2.358
H4 1.234 0.712 2.358
H5 -1.234 0.712 2.358
Cl6 0.000 1.734 -0.666
Cl7 1.501 -0.867 -0.666
Cl8 -1.501 -0.867 -0.666

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.95961.48631.48631.48633.12413.12413.1241
C21.95962.77742.77742.77741.84781.84781.8478
H31.48632.77742.46702.46704.37223.42173.4217
H41.48632.77742.46702.46703.42173.42174.3722
H51.48632.77742.46702.46703.42174.37223.4217
Cl63.12411.84784.37223.42173.42173.00273.0027
Cl73.12411.84783.42173.42174.37223.00273.0027
Cl83.12411.84783.42174.37223.42173.00273.0027

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 110.246 Si1 C2 Cl7 110.246
Si1 C2 Cl8 110.246 C2 Si1 H3 106.609
C2 Si1 H4 106.609 C2 Si1 H5 106.609
H3 Si1 H4 112.176 H3 Si1 H5 112.176
H4 Si1 H5 112.176 Cl6 C2 Cl7 108.686
Cl6 C2 Cl8 108.686 Cl7 C2 Cl8 108.686
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.782      
2 C -0.723      
3 H -0.098      
4 H -0.098      
5 H -0.098      
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 2.907 2.907
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.006 0.000 0.000
y 0.000 -59.006 0.000
z 0.000 0.000 -53.161
Traceless
 xyz
x -2.923 0.000 0.000
y 0.000 -2.923 0.000
z 0.000 0.000 5.845
Polar
3z2-r211.690
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 10.018 0.000 0.000
y 0.000 10.018 0.000
z 0.000 0.000 7.854


<r2> (average value of r2) Å2
<r2> 145.779
(<r2>)1/2 12.074