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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: LSDA/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at LSDA/aug-cc-pVTZ
 hartrees
Energy at 0K-1705.795552
Energy at 298.15K-1705.798634
HF Energy-1705.795552
Nuclear repulsion energy440.495035
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 LSDA/aug-cc-pVTZ
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 2982 2954 2.22      
2 A1 1213 1202 38.34      
3 A1 766 758 59.52      
4 A1 445 441 16.59      
5 A1 220 218 8.88      
6 A2 153 152 0.00      
7 E 3081 3052 0.43      
7 E 3081 3052 0.43      
8 E 1365 1352 5.07      
8 E 1365 1352 5.08      
9 E 779 772 79.89      
9 E 779 772 79.86      
10 E 574 569 117.67      
10 E 574 569 117.62      
11 E 204 202 2.07      
11 E 204 202 2.06      
12 E 144 143 0.53      
12 E 144 143 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 9035.2 cm-1
Scaled (by 0.9906) Zero Point Vibrational Energy (zpe) 8950.3 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 LSDA/aug-cc-pVTZ
ABC
0.05871 0.05871 0.04386

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.263
C2 0.000 0.000 2.093
Cl3 0.000 1.906 -0.464
Cl4 1.651 -0.953 -0.464
Cl5 -1.651 -0.953 -0.464
H6 0.000 -1.033 2.466
H7 0.895 0.517 2.466
H8 -0.895 0.517 2.466

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.82982.04002.04002.04002.43282.43282.4328
C21.82983.18913.18913.18911.09841.09841.0984
Cl32.04003.18913.30143.30144.14993.36353.3635
Cl42.04003.18913.30143.30143.36353.36354.1499
Cl52.04003.18913.30143.30143.36354.14993.3635
H62.43281.09844.14993.36353.36351.78951.7895
H72.43281.09843.36353.36354.14991.78951.7895
H82.43281.09843.36354.14993.36351.78951.7895

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.835 Si1 C2 H7 109.835
Si1 C2 H8 109.835 C2 Si1 Cl3 110.877
C2 Si1 Cl4 110.877 C2 Si1 Cl5 110.877
Cl3 Si1 Cl4 108.029 Cl3 Si1 Cl5 108.029
Cl4 Si1 Cl5 108.029 H6 C2 H7 109.105
H6 C2 H8 109.105 H7 C2 H8 109.105
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.060      
2 C -0.699      
3 Cl -0.321      
4 Cl -0.321      
5 Cl -0.321      
6 H 0.200      
7 H 0.200      
8 H 0.200      


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 2.066 2.066
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.567 0.000 0.000
y 0.000 -58.567 0.000
z 0.000 0.000 -54.172
Traceless
 xyz
x -2.198 0.000 0.000
y 0.000 -2.198 0.000
z 0.000 0.000 4.396
Polar
3z2-r28.792
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 12.177 0.000 0.000
y 0.000 12.180 -0.001
z 0.000 -0.001 11.572


<r2> (average value of r2) Å2
<r2> 280.620
(<r2>)1/2 16.752