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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: B3LYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-1691.299315
Energy at 298.15K-1691.302257
HF Energy-1691.299315
Nuclear repulsion energy427.818209
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/STO-3G
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 3321 2964 9.15      
2 A1 1500 1338 1.38      
3 A1 824 736 49.18      
4 A1 458 409 16.01      
5 A1 222 198 30.53      
6 A2 118 105 0.00      
7 E 3492 3116 4.09      
7 E 3492 3116 4.09      
8 E 1656 1478 3.29      
8 E 1656 1478 3.29      
9 E 983 878 74.70      
9 E 983 878 74.70      
10 E 631 563 92.05      
10 E 631 563 92.05      
11 E 215 192 8.45      
11 E 215 192 8.45      
12 E 151 135 2.20      
12 E 151 135 2.20      

Unscaled Zero Point Vibrational Energy (zpe) 10348.9 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 9235.4 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/STO-3G
ABC
0.05543 0.05543 0.04104

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.265
C2 0.000 0.000 2.137
Cl3 0.000 1.971 -0.472
Cl4 1.707 -0.986 -0.472
Cl5 -1.707 -0.986 -0.472
H6 0.000 -1.031 2.516
H7 0.893 0.515 2.516
H8 -0.893 0.515 2.516

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.87192.10422.10422.10422.47582.47582.4758
C21.87193.26953.26953.26951.09831.09831.0983
Cl32.10423.26953.41403.41404.23523.44123.4412
Cl42.10423.26953.41403.41403.44123.44124.2352
Cl52.10423.26953.41403.41403.44124.23523.4412
H62.47581.09834.23523.44123.44121.78531.7853
H72.47581.09833.44123.44124.23521.78531.7853
H82.47581.09833.44124.23523.44121.78531.7853

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.197 Si1 C2 H7 110.197
Si1 C2 H8 110.197 C2 Si1 Cl3 110.492
C2 Si1 Cl4 110.492 C2 Si1 Cl5 110.492
Cl3 Si1 Cl4 108.431 Cl3 Si1 Cl5 108.431
Cl4 Si1 Cl5 108.431 H6 C2 H7 108.736
H6 C2 H8 108.736 H7 C2 H8 108.736
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.925      
2 C -0.384      
3 Cl -0.284      
4 Cl -0.284      
5 Cl -0.284      
6 H 0.104      
7 H 0.104      
8 H 0.104      


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 3.036 3.036
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.767 0.000 0.000
y 0.000 -58.767 0.000
z 0.000 0.000 -51.112
Traceless
 xyz
x -3.828 0.000 0.000
y 0.000 -3.828 0.000
z 0.000 0.000 7.655
Polar
3z2-r215.310
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 5.068 0.000 0.000
y 0.000 5.068 0.000
z 0.000 0.000 3.503


<r2> (average value of r2) Å2
<r2> 295.154
(<r2>)1/2 17.180