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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: B3PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/6-311G**
 hartrees
Energy at 0K-1710.056082
Energy at 298.15K-1710.059352
HF Energy-1710.056082
Nuclear repulsion energy437.861584
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 B3PW91/6-311G**
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 3050 2937 0.15      
2 A1 1301 1253 30.33      
3 A1 759 731 77.89      
4 A1 443 427 24.23      
5 A1 236 227 13.92      
6 A2 177 170 0.00      
7 E 3142 3026 0.20      
7 E 3142 3026 0.20      
8 E 1442 1389 5.21      
8 E 1442 1389 5.21      
9 E 830 799 90.88      
9 E 830 799 90.87      
10 E 572 551 164.47      
10 E 572 551 164.45      
11 E 221 213 3.87      
11 E 221 213 3.88      
12 E 158 152 0.48      
12 E 158 152 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 9347.1 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 9002.2 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 B3PW91/6-311G**
ABC
0.05799 0.05799 0.04327

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.259
C2 0.000 0.000 2.106
Cl3 0.000 1.919 -0.465
Cl4 1.662 -0.960 -0.465
Cl5 -1.662 -0.960 -0.465
H6 0.000 -1.026 2.482
H7 0.889 0.513 2.482
H8 -0.889 0.513 2.482

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.84692.05132.05132.05132.44832.44832.4483
C21.84693.20823.20823.20821.09281.09281.0928
Cl32.05133.20823.32433.32434.16643.38393.3839
Cl42.05133.20823.32433.32433.38393.38394.1664
Cl52.05133.20823.32433.32433.38394.16643.3839
H62.44831.09284.16643.38393.38391.77731.7773
H72.44831.09283.38393.38394.16641.77731.7773
H82.44831.09283.38394.16643.38391.77731.7773

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.122 Si1 C2 H7 110.122
Si1 C2 H8 110.122 C2 Si1 Cl3 110.664
C2 Si1 Cl4 110.664 C2 Si1 Cl5 110.664
Cl3 Si1 Cl4 108.253 Cl3 Si1 Cl5 108.253
Cl4 Si1 Cl5 108.253 H6 C2 H7 108.812
H6 C2 H8 108.812 H7 C2 H8 108.812
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.874      
2 C -0.628      
3 Cl -0.257      
4 Cl -0.257      
5 Cl -0.257      
6 H 0.175      
7 H 0.175      
8 H 0.175      


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 2.464 2.464
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -60.473 0.000 0.000
y 0.000 -60.473 0.000
z 0.000 0.000 -54.976
Traceless
 xyz
x -2.749 0.000 0.000
y 0.000 -2.749 0.000
z 0.000 0.000 5.497
Polar
3z2-r210.994
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 9.703 0.000 0.000
y 0.000 9.703 0.000
z 0.000 0.000 8.629


<r2> (average value of r2) Å2
<r2> 284.705
(<r2>)1/2 16.873