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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: PBEPBE/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 PBEPBE/6-31+G**
 hartrees
Energy at 0K-1709.339670
Energy at 298.15K-1709.342765
HF Energy-1709.339670
Nuclear repulsion energy433.884639
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 PBEPBE/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 2994 2960 0.00      
2 A1 1257 1243 23.71      
3 A1 735 726 70.89      
4 A1 428 423 20.93      
5 A1 223 221 11.98      
6 A2 168 166 0.00      
7 E 3093 3058 0.29      
7 E 3093 3058 0.29      
8 E 1407 1391 5.11      
8 E 1407 1391 5.11      
9 E 807 798 83.26      
9 E 807 798 83.25      
10 E 558 552 149.50      
10 E 558 552 149.51      
11 E 210 207 2.87      
11 E 210 207 2.87      
12 E 149 147 0.67      
12 E 149 147 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 9125.6 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 9021.6 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 PBEPBE/6-31+G**
ABC
0.05698 0.05698 0.04239

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

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 2.120
Cl3 0.000 1.939 -0.467
Cl4 1.679 -0.970 -0.467
Cl5 -1.679 -0.970 -0.467
H6 0.000 -1.035 2.498
H7 0.896 0.518 2.498
H8 -0.896 0.518 2.498

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.86342.06982.06982.06982.46832.46832.4683
C21.86343.23343.23343.23341.10171.10171.1017
Cl32.06983.23343.35863.35864.19953.40803.4080
Cl42.06983.23343.35863.35863.40803.40804.1995
Cl52.06983.23343.35863.35863.40804.19953.4080
H62.46831.10174.19953.40803.40801.79271.7927
H72.46831.10173.40803.40804.19951.79271.7927
H82.46831.10173.40804.19953.40801.79271.7927

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.034 Si1 C2 H7 110.034
Si1 C2 H8 110.034 C2 Si1 Cl3 110.474
C2 Si1 Cl4 110.474 C2 Si1 Cl5 110.474
Cl3 Si1 Cl4 108.450 Cl3 Si1 Cl5 108.450
Cl4 Si1 Cl5 108.450 H6 C2 H7 108.902
H6 C2 H8 108.902 H7 C2 H8 108.902
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.221      
2 C -0.655      
3 Cl -0.070      
4 Cl -0.070      
5 Cl -0.070      
6 H 0.215      
7 H 0.215      
8 H 0.215      


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 2.322 2.322
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.861 0.000 0.000
y 0.000 -59.861 0.000
z 0.000 0.000 -54.786
Traceless
 xyz
x -2.537 0.000 0.000
y 0.000 -2.537 0.000
z 0.000 0.000 5.074
Polar
3z2-r210.149
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 10.841 0.000 0.000
y 0.000 10.841 0.000
z 0.000 0.000 9.925


<r2> (average value of r2) Å2
<r2> 289.045
(<r2>)1/2 17.001