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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: B1B95/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 B1B95/aug-cc-pVTZ
 hartrees
Energy at 0K-1710.444936
Energy at 298.15K-1710.448150
HF Energy-1710.444936
Nuclear repulsion energy439.470295
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 B1B95/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3069 2942 0.10      
2 A1 1286 1233 23.08      
3 A1 765 733 65.89      
4 A1 450 431 18.33      
5 A1 228 219 9.95      
6 A2 167 160 0.00      
7 E 3161 3030 0.42      
7 E 3161 3030 0.42      
8 E 1447 1387 3.35      
8 E 1447 1387 3.36      
9 E 816 782 75.10      
9 E 816 782 75.08      
10 E 581 557 138.38      
10 E 581 557 138.41      
11 E 213 204 2.63      
11 E 213 204 2.62      
12 E 150 144 0.51      
12 E 150 144 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 9349.8 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 8961.7 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 B1B95/aug-cc-pVTZ
ABC
0.05838 0.05838 0.04366

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.262
C2 0.000 0.000 2.104
Cl3 0.000 1.911 -0.465
Cl4 1.655 -0.955 -0.465
Cl5 -1.655 -0.955 -0.465
H6 0.000 -1.022 2.474
H7 0.885 0.511 2.474
H8 -0.885 0.511 2.474

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.84212.04412.04412.04412.43722.43722.4372
C21.84213.20133.20133.20131.08741.08741.0874
Cl32.04413.20133.30933.30934.15213.37343.3734
Cl42.04413.20133.30933.30933.37343.37344.1521
Cl52.04413.20133.30933.30933.37344.15213.3734
H62.43721.08744.15213.37343.37341.77091.7709
H72.43721.08743.37343.37344.15211.77091.7709
H82.43721.08743.37344.15213.37341.77091.7709

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.905 Si1 C2 H7 109.905
Si1 C2 H8 109.905 C2 Si1 Cl3 110.820
C2 Si1 Cl4 110.820 C2 Si1 Cl5 110.820
Cl3 Si1 Cl4 108.089 Cl3 Si1 Cl5 108.089
Cl4 Si1 Cl5 108.089 H6 C2 H7 109.034
H6 C2 H8 109.034 H7 C2 H8 109.034
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.913      
2 C -0.965      
3 Cl -0.282      
4 Cl -0.282      
5 Cl -0.282      
6 H 0.299      
7 H 0.299      
8 H 0.299      


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 2.044 2.044
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.416 0.000 0.000
y 0.000 -58.416 0.000
z 0.000 0.000 -54.039
Traceless
 xyz
x -2.188 0.000 0.000
y 0.000 -2.188 0.000
z 0.000 0.000 4.377
Polar
3z2-r28.753
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 11.634 0.000 0.000
y 0.000 11.641 -0.000
z 0.000 -0.000 11.047


<r2> (average value of r2) Å2
<r2> 281.779
(<r2>)1/2 16.786