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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: PBEPBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-1709.449483
Energy at 298.15K-1709.452626
HF Energy-1709.449483
Nuclear repulsion energy434.924759
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 PBEPBE/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 2984 2957 0.23      
2 A1 1256 1244 26.28      
3 A1 739 733 74.53      
4 A1 427 423 23.04      
5 A1 227 225 12.07      
6 A2 172 170 0.00      
7 E 3076 3048 0.21      
7 E 3076 3048 0.21      
8 E 1399 1387 4.79      
8 E 1399 1387 4.78      
9 E 808 800 84.57      
9 E 808 800 84.55      
10 E 553 548 155.29      
10 E 553 548 155.32      
11 E 213 211 3.05      
11 E 213 211 3.05      
12 E 152 151 0.48      
12 E 152 151 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 9103.9 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 9021.1 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 PBEPBE/6-311G**
ABC
0.05724 0.05724 0.04264

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

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 2.117
Cl3 0.000 1.933 -0.467
Cl4 1.674 -0.967 -0.467
Cl5 -1.674 -0.967 -0.467
H6 0.000 -1.033 2.494
H7 0.895 0.517 2.494
H8 -0.895 0.517 2.494

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85672.06572.06572.06572.46062.46062.4606
C21.85673.22753.22753.22751.09991.09991.0999
Cl32.06573.22753.34853.34854.19143.40203.4020
Cl42.06573.22753.34853.34853.40203.40204.1914
Cl52.06573.22753.34853.34853.40204.19143.4020
H62.46061.09994.19143.40203.40201.79001.7900
H72.46061.09993.40203.40204.19141.79001.7900
H82.46061.09993.40204.19143.40201.79001.7900

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.012 Si1 C2 H7 110.012
Si1 C2 H8 110.012 C2 Si1 Cl3 110.629
C2 Si1 Cl4 110.629 C2 Si1 Cl5 110.629
Cl3 Si1 Cl4 108.290 Cl3 Si1 Cl5 108.290
Cl4 Si1 Cl5 108.290 H6 C2 H7 108.926
H6 C2 H8 108.926 H7 C2 H8 108.925
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.790      
2 C -0.604      
3 Cl -0.237      
4 Cl -0.237      
5 Cl -0.237      
6 H 0.175      
7 H 0.175      
8 H 0.175      


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 2.462 2.462
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -60.658 0.000 0.000
y 0.000 -60.658 0.000
z 0.000 0.000 -55.163
Traceless
 xyz
x -2.748 0.000 0.000
y 0.000 -2.748 0.000
z 0.000 0.000 5.495
Polar
3z2-r210.990
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 10.190 0.000 0.000
y 0.000 10.189 0.000
z 0.000 0.000 9.073


<r2> (average value of r2) Å2
<r2> 288.185
(<r2>)1/2 16.976