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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: B3LYP/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 B3LYP/cc-pVTZ
 hartrees
Energy at 0K-1710.331567
Energy at 298.15K-1710.334755
HF Energy-1710.331567
Nuclear repulsion energy435.602645
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 B3LYP/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 3041 2939 0.00      
2 A1 1302 1258 17.66      
3 A1 746 721 70.08      
4 A1 435 421 19.88      
5 A1 228 221 10.21      
6 A2 164 159 0.00      
7 E 3122 3018 1.16      
7 E 3122 3018 1.16      
8 E 1454 1405 2.99      
8 E 1454 1405 2.99      
9 E 829 802 71.04      
9 E 829 802 71.06      
10 E 562 543 146.37      
10 E 562 543 146.38      
11 E 216 209 2.66      
11 E 216 209 2.66      
12 E 151 146 0.55      
12 E 151 146 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 9292.8 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 8982.4 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 B3LYP/cc-pVTZ
ABC
0.05738 0.05738 0.04280

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/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 2.117
Cl3 0.000 1.930 -0.467
Cl4 1.671 -0.965 -0.467
Cl5 -1.671 -0.965 -0.467
H6 0.000 -1.024 2.491
H7 0.887 0.512 2.491
H8 -0.887 0.512 2.491

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85552.06292.06292.06292.45302.45302.4530
C21.85553.22543.22543.22541.08991.08991.0899
Cl32.06293.22543.34273.34274.18023.39803.3980
Cl42.06293.22543.34273.34273.39803.39804.1802
Cl52.06293.22543.34273.34273.39804.18023.3980
H62.45301.08994.18023.39803.39801.77341.7734
H72.45301.08993.39803.39804.18021.77341.7734
H82.45301.08993.39804.18023.39801.77341.7734

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.048 Si1 C2 H7 110.048
Si1 C2 H8 110.048 C2 Si1 Cl3 110.690
C2 Si1 Cl4 110.690 C2 Si1 Cl5 110.690
Cl3 Si1 Cl4 108.226 Cl3 Si1 Cl5 108.226
Cl4 Si1 Cl5 108.226 H6 C2 H7 108.888
H6 C2 H8 108.888 H7 C2 H8 108.888
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.644      
2 C -0.372      
3 Cl -0.209      
4 Cl -0.209      
5 Cl -0.209      
6 H 0.118      
7 H 0.118      
8 H 0.118      


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 2.085 2.085
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.953 0.000 0.000
y 0.000 -58.953 0.000
z 0.000 0.000 -54.516
Traceless
 xyz
x -2.218 0.000 0.000
y 0.000 -2.218 0.000
z 0.000 0.000 4.436
Polar
3z2-r28.872
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 10.603 0.000 0.000
y 0.000 10.601 0.001
z 0.000 0.001 9.781


<r2> (average value of r2) Å2
<r2> 286.588
(<r2>)1/2 16.929