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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: PBE1PBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBE1PBE/STO-3G
 hartrees
Energy at 0K-1690.760872
Energy at 298.15K-1690.763886
HF Energy-1690.760872
Nuclear repulsion energy430.565164
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 PBE1PBE/STO-3G
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 3373 2975 12.63      
2 A1 1507 1330 2.97      
3 A1 849 749 50.37      
4 A1 473 417 16.36      
5 A1 227 200 31.59      
6 A2 119 105 0.00      
7 E 3549 3131 6.61      
7 E 3549 3131 6.61      
8 E 1664 1468 3.88      
8 E 1664 1468 3.88      
9 E 991 875 79.75      
9 E 991 875 79.75      
10 E 650 574 92.09      
10 E 650 574 92.09      
11 E 218 192 8.64      
11 E 218 192 8.64      
12 E 154 136 2.26      
12 E 154 136 2.26      

Unscaled Zero Point Vibrational Energy (zpe) 10500.1 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 9262.2 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 PBE1PBE/STO-3G
ABC
0.05614 0.05614 0.04161

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.264
C2 0.000 0.000 2.125
Cl3 0.000 1.957 -0.470
Cl4 1.695 -0.979 -0.470
Cl5 -1.695 -0.979 -0.470
H6 0.000 -1.028 2.502
H7 0.890 0.514 2.502
H8 -0.890 0.514 2.502

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.86072.09052.09052.09052.46292.46292.4629
C21.86073.25033.25033.25031.09521.09521.0952
Cl32.09053.25033.39033.39034.21273.42203.4220
Cl42.09053.25033.39033.39033.42203.42204.2127
Cl52.09053.25033.39033.39033.42204.21273.4220
H62.46291.09524.21273.42203.42201.78081.7808
H72.46291.09523.42203.42204.21271.78081.7808
H82.46291.09523.42204.21273.42201.78081.7808

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.153 Si1 C2 H7 110.153
Si1 C2 H8 110.153 C2 Si1 Cl3 110.559
C2 Si1 Cl4 110.559 C2 Si1 Cl5 110.559
Cl3 Si1 Cl4 108.362 Cl3 Si1 Cl5 108.362
Cl4 Si1 Cl5 108.362 H6 C2 H7 108.781
H6 C2 H8 108.781 H7 C2 H8 108.781
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.920      
2 C -0.396      
3 Cl -0.285      
4 Cl -0.285      
5 Cl -0.285      
6 H 0.110      
7 H 0.110      
8 H 0.110      


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 3.110 3.110
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.744 0.000 0.000
y 0.000 -58.744 0.000
z 0.000 0.000 -50.929
Traceless
 xyz
x -3.907 0.000 0.000
y 0.000 -3.907 0.000
z 0.000 0.000 7.815
Polar
3z2-r215.630
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 4.894 0.000 0.000
y 0.000 4.894 0.000
z 0.000 0.000 3.375


<r2> (average value of r2) Å2
<r2> 291.746
(<r2>)1/2 17.081