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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: HF/6-311G*

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/6-311G*
 hartrees
Energy at 0K-1707.249075
Energy at 298.15K-1707.252575
HF Energy-1707.249075
Nuclear repulsion energy439.094663
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/6-311G*
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 3186 2881 1.46      
2 A1 1455 1316 28.93      
3 A1 793 717 81.61      
4 A1 469 425 28.62      
5 A1 253 228 19.26      
6 A2 180 163 0.00      
7 E 3264 2952 4.37      
7 E 3264 2952 4.37      
8 E 1582 1431 5.23      
8 E 1582 1431 5.23      
9 E 908 821 91.54      
9 E 908 821 91.54      
10 E 603 545 196.60      
10 E 603 545 196.60      
11 E 238 215 6.88      
11 E 238 215 6.88      
12 E 171 154 0.51      
12 E 171 154 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 9933.6 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 8983.9 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/6-311G*
ABC
0.05825 0.05825 0.04360

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.258
C2 0.000 0.000 2.107
Cl3 0.000 1.912 -0.465
Cl4 1.656 -0.956 -0.465
Cl5 -1.656 -0.956 -0.465
H6 0.000 -1.015 2.488
H7 0.879 0.508 2.488
H8 -0.879 0.508 2.488

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.84952.04432.04432.04432.45042.45042.4504
C21.84953.20533.20533.20531.08431.08431.0843
Cl32.04433.20533.31193.31194.15823.38633.3863
Cl42.04433.20533.31193.31193.38633.38634.1582
Cl52.04433.20533.31193.31193.38634.15823.3863
H62.45041.08434.15823.38633.38631.75851.7585
H72.45041.08433.38633.38634.15821.75851.7585
H82.45041.08433.38634.15823.38631.75851.7585

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.552 Si1 C2 H7 110.552
Si1 C2 H8 110.552 C2 Si1 Cl3 110.711
C2 Si1 Cl4 110.711 C2 Si1 Cl5 110.711
Cl3 Si1 Cl4 108.203 Cl3 Si1 Cl5 108.203
Cl4 Si1 Cl5 108.203 H6 C2 H7 108.369
H6 C2 H8 108.369 H7 C2 H8 108.369
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.208      
2 C -1.012      
3 Cl -0.325      
4 Cl -0.325      
5 Cl -0.325      
6 H 0.260      
7 H 0.260      
8 H 0.260      


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 2.513 2.513
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -61.891 0.000 0.000
y 0.000 -61.891 0.000
z 0.000 0.000 -56.281
Traceless
 xyz
x -2.805 0.000 0.000
y 0.000 -2.805 0.000
z 0.000 0.000 5.610
Polar
3z2-r211.221
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 8.752 0.000 0.000
y 0.000 8.752 0.000
z 0.000 0.000 7.754


<r2> (average value of r2) Å2
<r2> 284.233
(<r2>)1/2 16.859