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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: wB97X-D/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-1702.185368
Energy at 298.15K-1702.188752
HF Energy-1702.185368
Nuclear repulsion energy439.797402
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 wB97X-D/3-21G*
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 3074 2913 0.80      
2 A1 1390 1318 57.35      
3 A1 788 747 84.33      
4 A1 467 442 21.16      
5 A1 238 226 15.55      
6 A2 171 162 0.00      
7 E 3162 2997 0.19      
7 E 3162 2997 0.19      
8 E 1516 1437 8.68      
8 E 1516 1437 8.67      
9 E 879 833 112.18      
9 E 879 833 112.12      
10 E 612 580 154.42      
10 E 612 580 154.42      
11 E 224 213 4.17      
11 E 224 213 4.18      
12 E 163 155 0.89      
12 E 163 155 0.89      

Unscaled Zero Point Vibrational Energy (zpe) 9619.8 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 9117.7 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 wB97X-D/3-21G*
ABC
0.05852 0.05852 0.04364

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.251
C2 0.000 0.000 2.099
Cl3 0.000 1.912 -0.461
Cl4 1.656 -0.956 -0.461
Cl5 -1.656 -0.956 -0.461
H6 0.000 -1.029 2.477
H7 0.891 0.515 2.477
H8 -0.891 0.515 2.477

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.84832.04042.04042.04042.45302.45302.4530
C21.84833.19563.19563.19561.09641.09641.0964
Cl32.04043.19563.31193.31194.15773.37403.3740
Cl42.04043.19563.31193.31193.37403.37404.1577
Cl52.04043.19563.31193.31193.37404.15773.3740
H62.45301.09644.15773.37403.37401.78231.7823
H72.45301.09643.37403.37404.15771.78231.7823
H82.45301.09643.37404.15773.37401.78231.7823

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.191 Si1 C2 H7 110.191
Si1 C2 H8 110.191 C2 Si1 Cl3 110.426
C2 Si1 Cl4 110.426 C2 Si1 Cl5 110.426
Cl3 Si1 Cl4 108.500 Cl3 Si1 Cl5 108.500
Cl4 Si1 Cl5 108.500 H6 C2 H7 108.742
H6 C2 H8 108.742 H7 C2 H8 108.742
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.949      
2 C -0.931      
3 Cl -0.258      
4 Cl -0.258      
5 Cl -0.258      
6 H 0.252      
7 H 0.252      
8 H 0.252      


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 2.376 2.376
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.745 0.000 0.000
y 0.000 -59.745 0.000
z 0.000 0.000 -54.448
Traceless
 xyz
x -2.648 0.000 0.000
y 0.000 -2.648 0.000
z 0.000 0.000 5.297
Polar
3z2-r210.594
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 8.356 0.000 0.000
y 0.000 8.358 0.001
z 0.000 0.001 7.139


<r2> (average value of r2) Å2
<r2> 282.186
(<r2>)1/2 16.798