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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: PBEPBE/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-1709.409056
Energy at 298.15K-1709.412056
HF Energy-1709.409056
Nuclear repulsion energy431.167743
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/cc-pVDZ
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 2986 2969 0.03      
2 A1 1216 1209 13.17      
3 A1 732 728 74.51      
4 A1 424 422 20.02      
5 A1 217 215 10.15      
6 A2 140 140 0.00      
7 E 3092 3074 0.04      
7 E 3092 3074 0.04      
8 E 1368 1360 2.62      
8 E 1368 1360 2.62      
9 E 788 783 81.47      
9 E 788 783 81.48      
10 E 556 553 136.01      
10 E 556 553 136.01      
11 E 204 203 2.09      
11 E 204 203 2.09      
12 E 145 144 0.65      
12 E 145 144 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 9008.4 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 8956.1 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/cc-pVDZ
ABC
0.05625 0.05625 0.04193

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.268
C2 0.000 0.000 2.136
Cl3 0.000 1.950 -0.472
Cl4 1.688 -0.975 -0.472
Cl5 -1.688 -0.975 -0.472
H6 0.000 -1.043 2.510
H7 0.903 0.522 2.510
H8 -0.903 0.522 2.510

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.86802.08542.08542.08542.47252.47252.4725
C21.86803.25633.25633.25631.10801.10801.1080
Cl32.08543.25633.37693.37694.22473.42753.4275
Cl42.08543.25633.37693.37693.42753.42754.2247
Cl52.08543.25633.37693.37693.42754.22473.4275
H62.47251.10804.22473.42753.42751.80661.8066
H72.47251.10803.42753.42754.22471.80661.8066
H82.47251.10803.42754.22473.42751.80661.8066

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.714 Si1 C2 H7 109.714
Si1 C2 H8 109.714 C2 Si1 Cl3 110.791
C2 Si1 Cl4 110.791 C2 Si1 Cl5 110.791
Cl3 Si1 Cl4 108.120 Cl3 Si1 Cl5 108.120
Cl4 Si1 Cl5 108.120 H6 C2 H7 109.227
H6 C2 H8 109.227 H7 C2 H8 109.227
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.460      
2 C -0.188      
3 Cl -0.173      
4 Cl -0.173      
5 Cl -0.173      
6 H 0.082      
7 H 0.082      
8 H 0.082      


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 2.322 2.322
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.505 0.000 0.000
y 0.000 -58.505 0.000
z 0.000 0.000 -53.628
Traceless
 xyz
x -2.439 0.000 0.000
y 0.000 -2.439 0.000
z 0.000 0.000 4.877
Polar
3z2-r29.754
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 9.644 0.000 0.000
y 0.000 9.644 0.000
z 0.000 0.000 8.650


<r2> (average value of r2) Å2
<r2> 291.292
(<r2>)1/2 17.067