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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: HSEh1PBE/6-31G**

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/6-31G**
 hartrees
Energy at 0K-1709.558288
Energy at 298.15K-1709.561535
HF Energy-1709.558288
Nuclear repulsion energy437.521039
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3079 2938 0.59      
2 A1 1315 1255 29.08      
3 A1 763 728 77.37      
4 A1 450 429 22.05      
5 A1 234 223 14.10      
6 A2 169 161 0.00      
7 E 3181 3036 0.15      
7 E 3181 3036 0.15      
8 E 1456 1390 4.21      
8 E 1456 1390 4.21      
9 E 836 798 99.33      
9 E 836 798 99.31      
10 E 588 561 153.71      
10 E 588 561 153.70      
11 E 219 209 3.44      
11 E 219 209 3.44      
12 E 155 148 0.75      
12 E 155 148 0.75      

Unscaled Zero Point Vibrational Energy (zpe) 9439.9 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 9008.5 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/6-31G**
ABC
0.05791 0.05791 0.04316

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.256
C2 0.000 0.000 2.107
Cl3 0.000 1.922 -0.464
Cl4 1.664 -0.961 -0.464
Cl5 -1.664 -0.961 -0.464
H6 0.000 -1.027 2.483
H7 0.889 0.513 2.483
H8 -0.889 0.513 2.483

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85082.05212.05212.05212.45192.45192.4519
C21.85083.20973.20973.20971.09341.09341.0934
Cl32.05213.20973.32833.32834.16853.38483.3848
Cl42.05213.20973.32833.32833.38483.38484.1685
Cl52.05213.20973.32833.32833.38484.16853.3848
H62.45191.09344.16853.38483.38481.77861.7786
H72.45191.09343.38483.38484.16851.77861.7786
H82.45191.09343.38484.16853.38481.77861.7786

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.099 Si1 C2 H7 110.099
Si1 C2 H8 110.099 C2 Si1 Cl3 110.544
C2 Si1 Cl4 110.544 C2 Si1 Cl5 110.544
Cl3 Si1 Cl4 108.377 Cl3 Si1 Cl5 108.377
Cl4 Si1 Cl5 108.377 H6 C2 H7 108.836
H6 C2 H8 108.836 H7 C2 H8 108.836
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.634      
2 C -0.603      
3 Cl -0.195      
4 Cl -0.195      
5 Cl -0.195      
6 H 0.185      
7 H 0.185      
8 H 0.185      


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 2.440 2.440
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.432 0.000 0.000
y 0.000 -59.432 0.000
z 0.000 0.000 -53.998
Traceless
 xyz
x -2.717 0.000 0.000
y 0.000 -2.717 0.000
z 0.000 0.000 5.434
Polar
3z2-r210.867
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 8.970 0.000 0.000
y 0.000 8.970 0.000
z 0.000 0.000 7.903


<r2> (average value of r2) Å2
<r2> 284.498
(<r2>)1/2 16.867