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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-1709.496587
Energy at 298.15K-1709.499662
HF Energy-1709.496587
Nuclear repulsion energy434.689677
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 PBEPBEultrafine/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 2982 2961 0.09      
2 A1 1238 1230 18.53      
3 A1 734 729 67.78      
4 A1 429 426 18.20      
5 A1 221 220 9.00      
6 A2 157 156 0.00      
7 E 3072 3050 0.56      
7 E 3072 3050 0.56      
8 E 1399 1389 2.96      
8 E 1399 1389 2.96      
9 E 796 791 71.93      
9 E 796 791 71.93      
10 E 556 552 132.64      
10 E 556 552 132.64      
11 E 208 206 2.00      
11 E 208 206 2.00      
12 E 146 145 0.53      
12 E 146 145 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 9056.4 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 8993.9 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 PBEPBEultrafine/cc-pVTZ
ABC
0.05714 0.05714 0.04265

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/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 2.123
Cl3 0.000 1.933 -0.469
Cl4 1.674 -0.967 -0.469
Cl5 -1.674 -0.967 -0.469
H6 0.000 -1.032 2.497
H7 0.894 0.516 2.497
H8 -0.894 0.516 2.497

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.86102.06662.06662.06662.46152.46152.4615
C21.86103.23333.23333.23331.09801.09801.0980
Cl32.06663.23333.34833.34834.19373.40583.4058
Cl42.06663.23333.34833.34833.40583.40584.1937
Cl52.06663.23333.34833.34833.40584.19373.4058
H62.46151.09804.19373.40583.40581.78831.7883
H72.46151.09803.40583.40584.19371.78831.7883
H82.46151.09803.40584.19373.40581.78831.7883

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.886 Si1 C2 H7 109.886
Si1 C2 H8 109.886 C2 Si1 Cl3 110.706
C2 Si1 Cl4 110.706 C2 Si1 Cl5 110.706
Cl3 Si1 Cl4 108.209 Cl3 Si1 Cl5 108.209
Cl4 Si1 Cl5 108.209 H6 C2 H7 109.053
H6 C2 H8 109.053 H7 C2 H8 109.053
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.560      
2 C -0.366      
3 Cl -0.185      
4 Cl -0.185      
5 Cl -0.185      
6 H 0.121      
7 H 0.121      
8 H 0.121      


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 2.064 2.064
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.487 0.000 0.000
y 0.000 -58.487 0.000
z 0.000 0.000 -54.135
Traceless
 xyz
x -2.176 0.000 0.000
y 0.000 -2.176 0.000
z 0.000 0.000 4.352
Polar
3z2-r28.703
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 10.956 0.000 0.000
y 0.000 10.956 0.000
z 0.000 0.000 10.138


<r2> (average value of r2) Å2
<r2> 287.319
(<r2>)1/2 16.950