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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: HF/TZVP

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/TZVP
 hartrees
Energy at 0K-1707.261324
Energy at 298.15K-1707.264790
HF Energy-1707.261324
Nuclear repulsion energy436.655927
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/TZVP
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 3176 2886 0.90      
2 A1 1431 1300 22.34      
3 A1 787 715 79.54      
4 A1 465 422 27.85      
5 A1 247 224 17.42      
6 A2 184 167 0.00      
7 E 3260 2962 3.51      
7 E 3260 2962 3.51      
8 E 1569 1426 4.95      
8 E 1569 1426 4.95      
9 E 895 813 82.45      
9 E 895 813 82.45      
10 E 597 543 189.39      
10 E 597 543 189.39      
11 E 233 212 5.45      
11 E 233 212 5.45      
12 E 166 151 0.66      
12 E 166 151 0.66      

Unscaled Zero Point Vibrational Energy (zpe) 9864.1 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 8962.5 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 HF/TZVP
ABC
0.05762 0.05762 0.04306

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.261
C2 0.000 0.000 2.117
Cl3 0.000 1.924 -0.467
Cl4 1.666 -0.962 -0.467
Cl5 -1.666 -0.962 -0.467
H6 0.000 -1.018 2.490
H7 0.881 0.509 2.490
H8 -0.881 0.509 2.490

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85602.05742.05742.05742.44972.44972.4497
C21.85603.22203.22203.22201.08371.08371.0837
Cl32.05743.22203.33273.33274.17093.39443.3944
Cl42.05743.22203.33273.33273.39443.39444.1709
Cl52.05743.22203.33273.33273.39444.17093.3944
H62.44971.08374.17093.39443.39441.76281.7628
H72.44971.08373.39443.39444.17091.76281.7628
H82.44971.08373.39444.17093.39441.76281.7628

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.097 Si1 C2 H7 110.097
Si1 C2 H8 110.097 C2 Si1 Cl3 110.735
C2 Si1 Cl4 110.735 C2 Si1 Cl5 110.735
Cl3 Si1 Cl4 108.178 Cl3 Si1 Cl5 108.178
Cl4 Si1 Cl5 108.178 H6 C2 H7 108.839
H6 C2 H8 108.839 H7 C2 H8 108.839
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.829      
2 C -0.417      
3 Cl -0.260      
4 Cl -0.260      
5 Cl -0.260      
6 H 0.122      
7 H 0.122      
8 H 0.122      


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 2.373 2.373
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -60.529 0.000 0.000
y 0.000 -60.529 0.000
z 0.000 0.000 -55.532
Traceless
 xyz
x -2.498 0.000 0.000
y 0.000 -2.498 0.000
z 0.000 0.000 4.997
Polar
3z2-r29.994
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 8.862 0.000 0.000
y 0.000 8.862 0.000
z 0.000 0.000 8.011


<r2> (average value of r2) Å2
<r2> 286.261
(<r2>)1/2 16.919