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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/STO-3G
 hartrees
Energy at 0K-1690.823460
Energy at 298.15K-1690.826470
HF Energy-1690.823460
Nuclear repulsion energy430.304354
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 HSEh1PBE/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 3370 2976 12.38      
2 A1 1506 1330 2.74      
3 A1 846 747 50.45      
4 A1 471 416 16.38      
5 A1 226 200 31.44      
6 A2 122 107 0.00      
7 E 3546 3132 6.27      
7 E 3546 3132 6.27      
8 E 1664 1469 3.79      
8 E 1664 1469 3.79      
9 E 991 875 79.22      
9 E 991 875 79.22      
10 E 648 572 92.58      
10 E 648 572 92.58      
11 E 217 192 8.59      
11 E 217 192 8.59      
12 E 154 136 2.24      
12 E 154 136 2.24      

Unscaled Zero Point Vibrational Energy (zpe) 10489.4 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 9263.2 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 HSEh1PBE/STO-3G
ABC
0.05607 0.05607 0.04156

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/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 2.126
Cl3 0.000 1.959 -0.470
Cl4 1.696 -0.979 -0.470
Cl5 -1.696 -0.979 -0.470
H6 0.000 -1.028 2.503
H7 0.891 0.514 2.503
H8 -0.891 0.514 2.503

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.86182.09182.09182.09182.46402.46402.4640
C21.86183.25213.25213.25211.09541.09541.0954
Cl32.09183.25213.39263.39264.21473.42353.4235
Cl42.09183.25213.39263.39263.42353.42354.2147
Cl52.09183.25213.39263.39263.42354.21473.4235
H62.46401.09544.21473.42353.42351.78131.7813
H72.46401.09543.42353.42354.21471.78131.7813
H82.46401.09543.42354.21473.42351.78131.7813

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.143 Si1 C2 H7 110.143
Si1 C2 H8 110.143 C2 Si1 Cl3 110.550
C2 Si1 Cl4 110.550 C2 Si1 Cl5 110.550
Cl3 Si1 Cl4 108.372 Cl3 Si1 Cl5 108.372
Cl4 Si1 Cl5 108.372 H6 C2 H7 108.791
H6 C2 H8 108.791 H7 C2 H8 108.791
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.919      
2 C -0.394      
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 3.107 3.107
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.737 0.000 0.000
y 0.000 -58.737 0.000
z 0.000 0.000 -50.930
Traceless
 xyz
x -3.904 0.000 0.000
y 0.000 -3.904 0.000
z 0.000 0.000 7.807
Polar
3z2-r215.615
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 4.920 0.000 0.000
y 0.000 4.920 0.000
z 0.000 0.000 3.394


<r2> (average value of r2) Å2
<r2> 292.060
(<r2>)1/2 17.090