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

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-1710.086420
Energy at 298.15K-1710.089748
HF Energy-1710.086420
Nuclear repulsion energy438.090172
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 B1B95/6-31+G**
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 2281 2182 52.70      
2 A1 925 885 152.65      
3 A1 877 839 96.20      
4 A1 434 416 7.71      
5 A1 281 269 10.40      
6 A2 194 186 0.00      
7 E 2304 2204 85.52      
7 E 2304 2204 85.52      
8 E 942 901 57.46      
8 E 942 901 57.46      
9 E 762 729 59.86      
9 E 762 729 59.90      
10 E 608 582 66.19      
10 E 608 582 66.27      
11 E 272 260 0.00      
11 E 272 260 0.00      
12 E 153 146 0.03      
12 E 153 146 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 7537.0 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 7209.9 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 B1B95/6-31+G**
ABC
0.05557 0.05477 0.05477

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.866
C2 0.000 0.000 -0.053
H3 0.000 -1.412 2.301
H4 1.223 0.706 2.301
H5 -1.223 0.706 2.301
Cl6 0.000 1.684 -0.641
Cl7 1.458 -0.842 -0.641
Cl8 -1.458 -0.842 -0.641

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.91931.47711.47711.47713.02023.02023.0202
C21.91932.74492.74492.74491.78331.78331.7833
H31.47712.74492.44522.44524.27043.33263.3326
H41.47712.74492.44522.44523.33273.33264.2704
H51.47712.74492.44522.44523.33274.27043.3326
Cl63.02021.78334.27043.33273.33272.91592.9159
Cl73.02021.78333.33263.33264.27042.91592.9159
Cl83.02021.78333.33264.27043.33262.91592.9159

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 109.256 Si1 C2 Cl7 109.256
Si1 C2 Cl8 109.256 C2 Si1 H3 107.115
C2 Si1 H4 107.115 C2 Si1 H5 107.115
H3 Si1 H4 111.722 H3 Si1 H5 111.722
H4 Si1 H5 111.722 Cl6 C2 Cl7 109.686
Cl6 C2 Cl8 109.686 Cl7 C2 Cl8 109.686
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.453      
2 C -0.528      
3 H -0.059      
4 H -0.059      
5 H -0.059      
6 Cl 0.084      
7 Cl 0.084      
8 Cl 0.084      


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 1.786 1.786
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.955 0.000 0.000
y 0.000 -58.955 0.000
z 0.000 0.000 -55.738
Traceless
 xyz
x -1.609 0.000 0.000
y 0.000 -1.609 0.000
z 0.000 0.000 3.218
Polar
3z2-r26.435
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 11.051 0.000 0.000
y 0.000 11.049 -0.000
z 0.000 -0.000 10.208


<r2> (average value of r2) Å2
<r2> 272.303
(<r2>)1/2 16.502