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

using model chemistry: B2PLYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B2PLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-1709.532747
Energy at 298.15K-1709.536091
HF Energy-1709.239317
Nuclear repulsion energy436.631991
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 B2PLYP/aug-cc-pVTZ
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 2274 2185 45.32      
2 A1 934 898 216.51      
3 A1 877 843 42.11      
4 A1 425 408 7.45      
5 A1 280 269 8.80      
6 A2 187 180 0.00      
7 E 2295 2205 73.50      
7 E 2295 2205 73.48      
8 E 955 918 53.85      
8 E 955 918 53.80      
9 E 746 717 40.48      
9 E 746 717 40.40      
10 E 609 586 64.72      
10 E 609 586 64.76      
11 E 269 258 0.05      
11 E 269 258 0.05      
12 E 159 153 0.07      
12 E 159 153 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 7520.9 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 7227.6 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 B2PLYP/aug-cc-pVTZ
ABC
0.05530 0.05434 0.05434

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.875
C2 0.000 0.000 -0.045
H3 0.000 -1.409 2.313
H4 1.220 0.704 2.313
H5 -1.220 0.704 2.313
Cl6 0.000 1.688 -0.646
Cl7 1.462 -0.844 -0.646
Cl8 -1.462 -0.844 -0.646

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.92051.47511.47511.47513.03383.03383.0338
C21.92052.74672.74672.74671.79141.79141.7914
H31.47512.74672.44022.44024.28263.34773.3477
H41.47512.74672.44022.44023.34773.34774.2826
H51.47512.74672.44022.44023.34774.28263.3477
Cl63.03381.79144.28263.34773.34772.92332.9233
Cl73.03381.79143.34773.34774.28262.92332.9233
Cl83.03381.79143.34774.28263.34772.92332.9233

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 109.583 Si1 C2 Cl7 109.583
Si1 C2 Cl8 109.583 C2 Si1 H3 107.245
C2 Si1 H4 107.245 C2 Si1 H5 107.245
H3 Si1 H4 111.603 H3 Si1 H5 111.603
H4 Si1 H5 111.603 Cl6 C2 Cl7 109.359
Cl6 C2 Cl8 109.359 Cl7 C2 Cl8 109.359
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.058      
2 C 0.412      
3 H -0.248      
4 H -0.248      
5 H -0.248      
6 Cl -0.241      
7 Cl -0.241      
8 Cl -0.241      


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 1.545 1.545
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.237 0.000 0.000
y 0.000 -59.238 0.000
z 0.000 0.000 -56.377
Traceless
 xyz
x -1.430 0.000 0.000
y 0.000 -1.430 0.000
z 0.000 0.000 2.860
Polar
3z2-r25.720
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 12.492 0.000 0.000
y 0.000 12.493 -0.000
z 0.000 -0.000 12.081


<r2> (average value of r2) Å2
<r2> 274.189
(<r2>)1/2 16.559