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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: PBEPBE/TZVP

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/TZVP
 hartrees
Energy at 0K-1709.447630
Energy at 298.15K-1709.450731
HF Energy-1709.447630
Nuclear repulsion energy432.915958
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/TZVP
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 2988 2954 0.06      
2 A1 1253 1239 24.28      
3 A1 735 727 72.39      
4 A1 425 420 21.49      
5 A1 222 219 10.96      
6 A2 169 167 0.00      
7 E 3080 3045 0.36      
7 E 3080 3045 0.36      
8 E 1404 1388 5.08      
8 E 1404 1388 5.08      
9 E 807 798 78.22      
9 E 807 798 78.20      
10 E 554 547 146.51      
10 E 554 547 146.54      
11 E 209 206 2.42      
11 E 209 206 2.42      
12 E 148 147 0.57      
12 E 148 147 0.57      

Unscaled Zero Point Vibrational Energy (zpe) 9096.5 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 8994.6 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/TZVP
ABC
0.05670 0.05670 0.04224

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.263
C2 0.000 0.000 2.127
Cl3 0.000 1.943 -0.470
Cl4 1.682 -0.971 -0.470
Cl5 -1.682 -0.971 -0.470
H6 0.000 -1.033 2.502
H7 0.895 0.517 2.502
H8 -0.895 0.517 2.502

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.86462.07602.07602.07602.46582.46582.4658
C21.86463.24313.24313.24311.09881.09881.0988
Cl32.07603.24313.36463.36464.20513.41513.4151
Cl42.07603.24313.36463.36463.41513.41514.2051
Cl52.07603.24313.36463.36463.41514.20513.4151
H62.46581.09884.20513.41513.41511.78931.7893
H72.46581.09883.41513.41514.20511.78931.7893
H82.46581.09883.41514.20513.41511.78931.7893

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.918 Si1 C2 H7 109.918
Si1 C2 H8 109.918 C2 Si1 Cl3 110.657
C2 Si1 Cl4 110.657 C2 Si1 Cl5 110.657
Cl3 Si1 Cl4 108.260 Cl3 Si1 Cl5 108.260
Cl4 Si1 Cl5 108.260 H6 C2 H7 109.021
H6 C2 H8 109.021 H7 C2 H8 109.021
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.523      
2 C -0.506      
3 Cl -0.167      
4 Cl -0.167      
5 Cl -0.167      
6 H 0.162      
7 H 0.162      
8 H 0.162      


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 2.255 2.255
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.229 0.000 0.000
y 0.000 -59.229 0.000
z 0.000 0.000 -54.634
Traceless
 xyz
x -2.297 0.000 0.000
y 0.000 -2.297 0.000
z 0.000 0.000 4.595
Polar
3z2-r29.190
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 10.152 0.000 0.000
y 0.000 10.152 0.000
z 0.000 0.000 9.243


<r2> (average value of r2) Å2
<r2> 289.836
(<r2>)1/2 17.025