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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: BLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at BLYP/6-31+G**
 hartrees
Energy at 0K-1710.063872
Energy at 298.15K-1710.066919
HF Energy-1710.063872
Nuclear repulsion energy430.604050
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 BLYP/6-31+G**
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 2979 2963 0.53      
2 A1 1274 1267 14.78      
3 A1 715 712 69.66      
4 A1 412 410 21.70      
5 A1 221 220 11.77      
6 A2 166 165 0.00      
7 E 3065 3049 1.44      
7 E 3065 3049 1.45      
8 E 1424 1417 4.29      
8 E 1424 1417 4.29      
9 E 819 814 74.81      
9 E 819 814 74.81      
10 E 538 536 156.91      
10 E 538 536 156.93      
11 E 210 209 2.88      
11 E 210 209 2.89      
12 E 148 147 0.67      
12 E 148 147 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 9086.6 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 9038.4 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 BLYP/6-31+G**
ABC
0.05612 0.05612 0.04170

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.260
C2 0.000 0.000 2.134
Cl3 0.000 1.955 -0.470
Cl4 1.693 -0.978 -0.470
Cl5 -1.693 -0.978 -0.470
H6 0.000 -1.034 2.511
H7 0.896 0.517 2.511
H8 -0.896 0.517 2.511

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.87392.08702.08702.08702.47772.47772.4777
C21.87393.25623.25623.25621.10111.10111.1011
Cl32.08703.25623.38663.38664.22213.42923.4292
Cl42.08703.25623.38663.38663.42923.42924.2221
Cl52.08703.25623.38663.38663.42924.22213.4292
H62.47771.10114.22213.42923.42921.79151.7915
H72.47771.10113.42923.42924.22211.79151.7915
H82.47771.10113.42924.22213.42921.79151.7915

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.055 Si1 C2 H7 110.055
Si1 C2 H8 110.055 C2 Si1 Cl3 110.472
C2 Si1 Cl4 110.472 C2 Si1 Cl5 110.472
Cl3 Si1 Cl4 108.452 Cl3 Si1 Cl5 108.452
Cl4 Si1 Cl5 108.452 H6 C2 H7 108.881
H6 C2 H8 108.881 H7 C2 H8 108.881
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.401      
2 C -0.614      
3 Cl -0.119      
4 Cl -0.119      
5 Cl -0.119      
6 H 0.190      
7 H 0.190      
8 H 0.190      


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 2.359 2.359
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -60.517 0.000 0.000
y 0.000 -60.517 0.000
z 0.000 0.000 -55.278
Traceless
 xyz
x -2.619 0.000 0.000
y 0.000 -2.619 0.000
z 0.000 0.000 5.238
Polar
3z2-r210.477
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 11.093 0.000 0.000
y 0.000 11.093 -0.000
z 0.000 -0.000 10.131


<r2> (average value of r2) Å2
<r2> 293.337
(<r2>)1/2 17.127