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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: PBEPBE/6-31G*

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/6-31G*
 hartrees
Energy at 0K-1709.330392
Energy at 298.15K-1709.333487
HF Energy-1709.330392
Nuclear repulsion energy433.842812
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/6-31G*
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 3001 2958 0.39      
2 A1 1282 1264 22.95      
3 A1 738 728 71.75      
4 A1 430 424 20.54      
5 A1 225 222 11.91      
6 A2 162 160 0.00      
7 E 3095 3051 0.37      
7 E 3095 3051 0.37      
8 E 1432 1412 4.04      
8 E 1432 1412 4.04      
9 E 820 808 93.53      
9 E 820 808 93.53      
10 E 565 557 144.03      
10 E 565 557 144.04      
11 E 211 208 2.45      
11 E 211 208 2.45      
12 E 149 147 0.72      
12 E 149 147 0.72      

Unscaled Zero Point Vibrational Energy (zpe) 9190.6 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 9059.1 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/6-31G*
ABC
0.05696 0.05696 0.04239

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.257
C2 0.000 0.000 2.121
Cl3 0.000 1.939 -0.467
Cl4 1.679 -0.970 -0.467
Cl5 -1.679 -0.970 -0.467
H6 0.000 -1.035 2.500
H7 0.897 0.518 2.500
H8 -0.897 0.518 2.500

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.86492.06972.06972.06972.47072.47072.4707
C21.86493.23433.23433.23431.10241.10241.1024
Cl32.06973.23433.35853.35854.20123.40993.4099
Cl42.06973.23433.35853.35853.40993.40994.2012
Cl52.06973.23433.35853.35853.40994.20123.4099
H62.47071.10244.20123.40993.40991.79341.7934
H72.47071.10243.40993.40994.20121.79341.7934
H82.47071.10243.40994.20123.40991.79341.7934

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.076 Si1 C2 H7 110.076
Si1 C2 H8 110.076 C2 Si1 Cl3 110.467
C2 Si1 Cl4 110.467 C2 Si1 Cl5 110.467
Cl3 Si1 Cl4 108.458 Cl3 Si1 Cl5 108.458
Cl4 Si1 Cl5 108.458 H6 C2 H7 108.860
H6 C2 H8 108.860 H7 C2 H8 108.860
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.528      
2 C -0.679      
3 Cl -0.169      
4 Cl -0.169      
5 Cl -0.169      
6 H 0.219      
7 H 0.219      
8 H 0.219      


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 2.424 2.424
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.252 0.000 0.000
y 0.000 -59.252 0.000
z 0.000 0.000 -53.848
Traceless
 xyz
x -2.702 0.000 0.000
y 0.000 -2.702 0.000
z 0.000 0.000 5.404
Polar
3z2-r210.808
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 9.396 0.000 0.000
y 0.000 9.396 0.000
z 0.000 0.000 8.228


<r2> (average value of r2) Å2
<r2> 288.649
(<r2>)1/2 16.990