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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-1707.186244
Energy at 298.15K-1707.189690
HF Energy-1707.186244
Nuclear repulsion energy438.915245
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 HF/6-31G(2df,p)
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 3173 2873 0.21      
2 A1 1426 1291 18.46      
3 A1 788 714 75.56      
4 A1 469 425 23.30      
5 A1 248 224 13.32      
6 A2 180 163 0.00      
7 E 3260 2952 3.34      
7 E 3260 2952 3.34      
8 E 1566 1418 2.27      
8 E 1566 1418 2.27      
9 E 882 799 84.95      
9 E 882 799 84.95      
10 E 602 545 176.45      
10 E 602 545 176.45      
11 E 233 211 4.16      
11 E 233 211 4.16      
12 E 164 149 0.59      
12 E 164 149 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 9848.9 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 8918.1 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 HF/6-31G(2df,p)
ABC
0.05823 0.05823 0.04351

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

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 2.106
Cl3 0.000 1.914 -0.464
Cl4 1.658 -0.957 -0.464
Cl5 -1.658 -0.957 -0.464
H6 0.000 -1.019 2.480
H7 0.882 0.509 2.480
H8 -0.882 0.509 2.480

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.84922.04542.04542.04542.44552.44552.4455
C21.84923.20473.20473.20471.08521.08521.0852
Cl32.04543.20473.31523.31524.15573.37943.3794
Cl42.04543.20473.31523.31523.37943.37944.1557
Cl52.04543.20473.31523.31523.37944.15573.3794
H62.44551.08524.15573.37943.37941.76441.7644
H72.44551.08523.37943.37944.15571.76441.7644
H82.44551.08523.37944.15573.37941.76441.7644

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.162 Si1 C2 H7 110.162
Si1 C2 H8 110.162 C2 Si1 Cl3 110.643
C2 Si1 Cl4 110.643 C2 Si1 Cl5 110.643
Cl3 Si1 Cl4 108.274 Cl3 Si1 Cl5 108.274
Cl4 Si1 Cl5 108.274 H6 C2 H7 108.772
H6 C2 H8 108.772 H7 C2 H8 108.772
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.701      
2 C -0.565      
3 Cl -0.220      
4 Cl -0.220      
5 Cl -0.220      
6 H 0.175      
7 H 0.175      
8 H 0.175      


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 2.138 2.138
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.292 0.000 0.000
y 0.000 -59.292 0.000
z 0.000 0.000 -54.759
Traceless
 xyz
x -2.267 0.000 0.000
y 0.000 -2.267 0.000
z 0.000 0.000 4.533
Polar
3z2-r29.066
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 9.275 0.000 0.000
y 0.000 9.275 0.000
z 0.000 0.000 8.456


<r2> (average value of r2) Å2
<r2> 283.024
(<r2>)1/2 16.823