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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: B3LYP/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 B3LYP/6-31G
 hartrees
Energy at 0K-1710.046076
Energy at 298.15K-1710.048978
HF Energy-1710.046076
Nuclear repulsion energy416.321004
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 B3LYP/6-31G
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 3072 2955 0.21      
2 A1 1375 1323 16.80      
3 A1 731 703 53.70      
4 A1 382 368 21.38      
5 A1 198 190 19.36      
6 A2 155 149 0.00      
7 E 3175 3054 0.00      
7 E 3175 3054 0.00      
8 E 1493 1437 9.16      
8 E 1493 1437 9.15      
9 E 915 880 83.50      
9 E 915 880 83.50      
10 E 515 495 126.71      
10 E 515 495 126.71      
11 E 194 187 4.82      
11 E 194 187 4.82      
12 E 133 128 1.28      
12 E 133 128 1.28      

Unscaled Zero Point Vibrational Energy (zpe) 9379.7 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 9023.2 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 B3LYP/6-31G
ABC
0.05254 0.05254 0.03859

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.286
C2 0.000 0.000 2.173
Cl3 0.000 2.033 -0.484
Cl4 1.761 -1.016 -0.484
Cl5 -1.761 -1.016 -0.484
H6 0.000 -1.030 2.541
H7 0.892 0.515 2.541
H8 -0.892 0.515 2.541

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.88772.17372.17372.17372.47952.47952.4795
C21.88773.34553.34553.34551.09351.09351.0935
Cl32.17373.34553.52123.52124.30473.50003.5000
Cl42.17373.34553.52123.52123.50003.50004.3047
Cl52.17373.34553.52123.52123.50004.30473.5000
H62.47951.09354.30473.50003.50001.78361.7836
H72.47951.09353.50003.50004.30471.78361.7836
H82.47951.09353.50004.30473.50001.78361.7836

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.659 Si1 C2 H7 109.659
Si1 C2 H8 109.659 C2 Si1 Cl3 110.727
C2 Si1 Cl4 110.727 C2 Si1 Cl5 110.727
Cl3 Si1 Cl4 108.187 Cl3 Si1 Cl5 108.187
Cl4 Si1 Cl5 108.187 H6 C2 H7 109.282
H6 C2 H8 109.282 H7 C2 H8 109.282
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.757      
2 C -0.706      
3 Cl -0.233      
4 Cl -0.233      
5 Cl -0.233      
6 H 0.216      
7 H 0.216      
8 H 0.216      


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 3.524 3.524
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.472 0.000 0.000
y 0.000 -63.472 0.000
z 0.000 0.000 -54.608
Traceless
 xyz
x -4.432 0.000 0.000
y 0.000 -4.432 0.000
z 0.000 0.000 8.864
Polar
3z2-r217.727
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 9.711 0.000 0.000
y 0.000 9.711 0.000
z 0.000 0.000 7.617


<r2> (average value of r2) Å2
<r2> 312.550
(<r2>)1/2 17.679