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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: HF/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 HF/6-31G*
 hartrees
Energy at 0K-1707.150165
Energy at 298.15K-1707.153633
HF Energy-1707.150165
Nuclear repulsion energy438.195203
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*
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 3209 2883 0.43      
2 A1 1468 1319 25.02      
3 A1 791 711 84.81      
4 A1 473 425 26.29      
5 A1 250 225 19.53      
6 A2 176 158 0.00      
7 E 3292 2958 3.12      
7 E 3292 2958 3.12      
8 E 1592 1431 4.33      
8 E 1592 1431 4.33      
9 E 912 819 96.53      
9 E 912 819 96.53      
10 E 616 554 191.95      
10 E 616 554 191.95      
11 E 235 211 6.53      
11 E 235 211 6.53      
12 E 167 150 0.74      
12 E 167 150 0.74      

Unscaled Zero Point Vibrational Energy (zpe) 9997.4 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 8982.7 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*
ABC
0.05802 0.05802 0.04337

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.254
C2 0.000 0.000 2.112
Cl3 0.000 1.917 -0.465
Cl4 1.660 -0.959 -0.465
Cl5 -1.660 -0.959 -0.465
H6 0.000 -1.017 2.491
H7 0.881 0.508 2.491
H8 -0.881 0.508 2.491

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85872.04722.04722.04722.45762.45762.4576
C21.85873.21183.21183.21181.08491.08491.0849
Cl32.04723.21183.32043.32044.16443.39043.3904
Cl42.04723.21183.32043.32043.39043.39044.1644
Cl52.04723.21183.32043.32043.39044.16443.3904
H62.45761.08494.16443.39043.39041.76101.7610
H72.45761.08493.39043.39044.16441.76101.7610
H82.45761.08493.39044.16443.39041.76101.7610

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.428 Si1 C2 H7 110.428
Si1 C2 H8 110.428 C2 Si1 Cl3 110.537
C2 Si1 Cl4 110.537 C2 Si1 Cl5 110.537
Cl3 Si1 Cl4 108.385 Cl3 Si1 Cl5 108.385
Cl4 Si1 Cl5 108.385 H6 C2 H7 108.498
H6 C2 H8 108.498 H7 C2 H8 108.498
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.988      
2 C -0.779      
3 Cl -0.287      
4 Cl -0.287      
5 Cl -0.287      
6 H 0.217      
7 H 0.217      
8 H 0.217      


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 2.469 2.469
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -61.106 0.000 0.000
y 0.000 -61.106 0.000
z 0.000 0.000 -55.560
Traceless
 xyz
x -2.773 0.000 0.000
y 0.000 -2.773 0.000
z 0.000 0.000 5.546
Polar
3z2-r211.093
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 8.210 0.000 0.000
y 0.000 8.210 0.000
z 0.000 0.000 7.226


<r2> (average value of r2) Å2
<r2> 284.836
(<r2>)1/2 16.877