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

using model chemistry: B3LYP/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-55.988611
Energy at 298.15K-55.991652
HF Energy-55.988611
Nuclear repulsion energy83.383516
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 B3LYP/CEP-31G
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 2164 2096 37.29      
2 A1 867 840 194.07      
3 A1 830 803 25.45      
4 A1 383 371 13.63      
5 A1 267 258 10.71      
6 A2 163 158 0.00      
7 E 2207 2137 100.86      
7 E 2207 2137 100.85      
8 E 896 867 56.87      
8 E 896 867 56.87      
9 E 693 671 46.45      
9 E 693 671 46.48      
10 E 572 554 108.60      
10 E 572 554 108.64      
11 E 257 249 0.00      
11 E 257 249 0.00      
12 E 163 158 0.00      
12 E 163 158 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7124.4 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 6899.2 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 B3LYP/CEP-31G
ABC
0.05025 0.05000 0.05000

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.944
C2 0.000 0.000 -0.023
H3 0.000 -1.435 2.377
H4 1.243 0.718 2.377
H5 -1.243 0.718 2.377
Cl6 0.000 1.772 -0.671
Cl7 1.534 -0.886 -0.671
Cl8 -1.534 -0.886 -0.671

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.96651.49941.49941.49943.15833.15833.1583
C21.96652.79622.79622.79621.88641.88641.8864
H31.49942.79622.48622.48624.42423.45623.4562
H41.49942.79622.48622.48623.45623.45624.4242
H51.49942.79622.48622.48623.45624.42423.4562
Cl63.15831.88644.42423.45623.45623.06833.0683
Cl73.15831.88643.45623.45624.42423.06833.0683
Cl83.15831.88643.45624.42423.45623.06833.0683

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 110.097 Si1 C2 Cl7 110.097
Si1 C2 Cl8 110.097 C2 Si1 H3 106.793
C2 Si1 H4 106.793 C2 Si1 H5 106.793
H3 Si1 H4 112.012 H3 Si1 H5 112.012
H4 Si1 H5 112.012 Cl6 C2 Cl7 108.838
Cl6 C2 Cl8 108.838 Cl7 C2 Cl8 108.838
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.457      
2 C -0.521      
3 H -0.031      
4 H -0.031      
5 H -0.031      
6 Cl 0.053      
7 Cl 0.053      
8 Cl 0.053      


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 2.722 2.722
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.584 0.000 0.000
y 0.000 -57.584 0.000
z 0.000 0.000 -52.838
Traceless
 xyz
x -2.373 0.000 0.000
y 0.000 -2.373 0.000
z 0.000 0.000 4.746
Polar
3z2-r29.492
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 9.867 0.000 0.000
y 0.000 9.868 0.000
z 0.000 0.000 7.552


<r2> (average value of r2) Å2
<r2> 148.579
(<r2>)1/2 12.189