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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: PBE1PBE/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 PBE1PBE/cc-pVTZ
 hartrees
Energy at 0K-1709.648785
Energy at 298.15K-1709.652005
HF Energy-1709.648785
Nuclear repulsion energy438.395422
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 PBE1PBE/cc-pVTZ
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 3058 2939 0.25      
2 A1 1285 1234 24.51      
3 A1 763 733 70.49      
4 A1 450 433 19.27      
5 A1 230 221 10.35      
6 A2 162 156 0.00      
7 E 3153 3030 0.36      
7 E 3153 3030 0.36      
8 E 1441 1385 3.38      
8 E 1441 1385 3.38      
9 E 817 785 79.54      
9 E 817 785 79.53      
10 E 582 559 139.31      
10 E 582 559 139.33      
11 E 215 207 2.60      
11 E 215 207 2.60      
12 E 152 146 0.55      
12 E 152 146 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 9333.3 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 8969.3 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 PBE1PBE/cc-pVTZ
ABC
0.05811 0.05811 0.04343

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.261
C2 0.000 0.000 2.108
Cl3 0.000 1.916 -0.465
Cl4 1.659 -0.958 -0.465
Cl5 -1.659 -0.958 -0.465
H6 0.000 -1.026 2.480
H7 0.888 0.513 2.480
H8 -0.888 0.513 2.480

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.84742.04872.04872.04872.44502.44502.4450
C21.84743.20813.20813.20811.09111.09111.0911
Cl32.04873.20813.31813.31814.16263.38113.3811
Cl42.04873.20813.31813.31823.38113.38114.1626
Cl52.04873.20813.31813.31823.38114.16263.3811
H62.44501.09114.16263.38113.38111.77651.7765
H72.44501.09113.38113.38114.16261.77651.7765
H82.44501.09113.38114.16263.38111.77651.7765

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.934 Si1 C2 H7 109.934
Si1 C2 H8 109.934 C2 Si1 Cl3 110.753
C2 Si1 Cl4 110.753 C2 Si1 Cl5 110.753
Cl3 Si1 Cl4 108.160 Cl3 Si1 Cl5 108.160
Cl4 Si1 Cl5 108.160 H6 C2 H7 109.004
H6 C2 H8 109.004 H7 C2 H8 109.004
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.583      
2 C -0.383      
3 Cl -0.193      
4 Cl -0.193      
5 Cl -0.193      
6 H 0.126      
7 H 0.126      
8 H 0.126      


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 2.067 2.067
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.343 0.000 0.000
y 0.000 -58.343 0.000
z 0.000 0.000 -54.022
Traceless
 xyz
x -2.160 0.000 0.000
y 0.000 -2.160 0.000
z 0.000 0.000 4.320
Polar
3z2-r28.641
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 10.456 0.000 0.000
y 0.000 10.457 0.000
z 0.000 0.000 9.679


<r2> (average value of r2) Å2
<r2> 282.975
(<r2>)1/2 16.822