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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-1709.947776
Energy at 298.15K-1709.951006
HF Energy-1709.947776
Nuclear repulsion energy436.678789
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 B3PW91/6-31G**
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 3067 2940 0.32      
2 A1 1313 1259 26.78      
3 A1 757 725 77.57      
4 A1 445 427 22.06      
5 A1 233 224 13.87      
6 A2 168 161 0.00      
7 E 3167 3036 0.29      
7 E 3167 3036 0.29      
8 E 1455 1395 4.07      
8 E 1455 1395 4.07      
9 E 836 801 97.11      
9 E 836 801 97.11      
10 E 582 558 154.83      
10 E 582 558 154.83      
11 E 219 210 3.27      
11 E 219 210 3.27      
12 E 155 148 0.77      
12 E 155 148 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 9406.1 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 9014.8 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 B3PW91/6-31G**
ABC
0.05769 0.05769 0.04299

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.257
C2 0.000 0.000 2.111
Cl3 0.000 1.925 -0.465
Cl4 1.668 -0.963 -0.465
Cl5 -1.668 -0.963 -0.465
H6 0.000 -1.027 2.487
H7 0.889 0.513 2.487
H8 -0.889 0.513 2.487

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85412.05622.05622.05622.45552.45552.4555
C21.85413.21583.21583.21581.09371.09371.0937
Cl32.05623.21583.33513.33514.17513.39103.3910
Cl42.05623.21583.33513.33513.39103.39104.1751
Cl52.05623.21583.33513.33513.39104.17513.3910
H62.45551.09374.17513.39103.39101.77871.7787
H72.45551.09373.39103.39104.17511.77871.7787
H82.45551.09373.39104.17513.39101.77871.7787

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.127 Si1 C2 H7 110.127
Si1 C2 H8 110.127 C2 Si1 Cl3 110.542
C2 Si1 Cl4 110.542 C2 Si1 Cl5 110.542
Cl3 Si1 Cl4 108.379 Cl3 Si1 Cl5 108.379
Cl4 Si1 Cl5 108.379 H6 C2 H7 108.808
H6 C2 H8 108.808 H7 C2 H8 108.808
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.644      
2 C -0.601      
3 Cl -0.198      
4 Cl -0.198      
5 Cl -0.198      
6 H 0.183      
7 H 0.183      
8 H 0.183      


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 2.451 2.451
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.352 0.000 0.000
y 0.000 -59.352 0.000
z 0.000 0.000 -53.876
Traceless
 xyz
x -2.738 0.000 0.000
y 0.000 -2.738 0.000
z 0.000 0.000 5.476
Polar
3z2-r210.952
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 9.023 0.000 0.000
y 0.000 9.023 0.000
z 0.000 0.000 7.937


<r2> (average value of r2) Å2
<r2> 285.411
(<r2>)1/2 16.894