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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G*
 hartrees
Energy at 0K-1701.656165
Energy at 298.15K-1701.659481
HF Energy-1701.656165
Nuclear repulsion energy439.967145
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 HSEh1PBE/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 3058 2935 0.78      
2 A1 1372 1317 50.08      
3 A1 785 754 81.26      
4 A1 459 441 20.91      
5 A1 235 225 14.69      
6 A2 162 156 0.00      
7 E 3148 3022 0.21      
7 E 3148 3022 0.21      
8 E 1507 1446 7.44      
8 E 1507 1446 7.44      
9 E 869 835 111.03      
9 E 869 835 111.01      
10 E 603 579 150.93      
10 E 603 579 150.93      
11 E 220 211 3.81      
11 E 220 211 3.81      
12 E 160 154 0.79      
12 E 160 154 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 9541.8 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 9159.2 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 HSEh1PBE/3-21G*
ABC
0.05856 0.05856 0.04368

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.249
C2 0.000 0.000 2.098
Cl3 0.000 1.910 -0.461
Cl4 1.654 -0.955 -0.461
Cl5 -1.654 -0.955 -0.461
H6 0.000 -1.029 2.479
H7 0.891 0.514 2.479
H8 -0.891 0.514 2.479

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.84802.03792.03792.03792.45522.45522.4552
C21.84803.19293.19293.19291.09711.09711.0971
Cl32.03793.19293.30833.30834.15683.37403.3740
Cl42.03793.19293.30833.30833.37403.37404.1568
Cl52.03793.19293.30833.30833.37404.15683.3740
H62.45521.09714.15683.37403.37401.78191.7819
H72.45521.09713.37403.37404.15681.78191.7819
H82.45521.09713.37404.15683.37401.78191.7819

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.335 Si1 C2 H7 110.335
Si1 C2 H8 110.335 C2 Si1 Cl3 110.405
C2 Si1 Cl4 110.405 C2 Si1 Cl5 110.405
Cl3 Si1 Cl4 108.521 Cl3 Si1 Cl5 108.521
Cl4 Si1 Cl5 108.521 H6 C2 H7 108.594
H6 C2 H8 108.594 H7 C2 H8 108.594
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.942      
2 C -0.938      
3 Cl -0.256      
4 Cl -0.256      
5 Cl -0.256      
6 H 0.255      
7 H 0.255      
8 H 0.255      


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 2.363 2.363
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.650 0.000 0.000
y 0.000 -59.650 0.000
z 0.000 0.000 -54.402
Traceless
 xyz
x -2.624 0.000 0.000
y 0.000 -2.624 0.000
z 0.000 0.000 5.248
Polar
3z2-r210.495
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 8.493 0.000 0.000
y 0.000 8.494 0.000
z 0.000 0.000 7.288


<r2> (average value of r2) Å2
<r2> 281.941
(<r2>)1/2 16.791