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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: B3PW91/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/TZVP
 hartrees
Energy at 0K-1710.057500
Energy at 298.15K-1710.060725
HF Energy-1710.057500
Nuclear repulsion energy435.645992
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 B3PW91/TZVP
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 3056 2947 0.03      
2 A1 1299 1253 26.65      
3 A1 755 728 75.52      
4 A1 440 425 22.97      
5 A1 230 222 12.62      
6 A2 174 167 0.00      
7 E 3149 3036 0.37      
7 E 3149 3036 0.37      
8 E 1447 1396 5.36      
8 E 1447 1396 5.36      
9 E 829 800 83.04      
9 E 829 800 83.04      
10 E 571 550 157.19      
10 E 571 550 157.19      
11 E 216 209 3.07      
11 E 216 209 3.07      
12 E 154 148 0.61      
12 E 154 148 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 9342.5 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 9008.9 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 B3PW91/TZVP
ABC
0.05739 0.05739 0.04282

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/TZVP

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 1.929 -0.468
Cl4 1.671 -0.965 -0.468
Cl5 -1.671 -0.965 -0.468
H6 0.000 -1.026 2.490
H7 0.888 0.513 2.490
H8 -0.888 0.513 2.490

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85452.06292.06292.06292.45262.45262.4526
C21.85453.22513.22513.22511.09161.09161.0916
Cl32.06293.22513.34193.34194.18103.39763.3976
Cl42.06293.22513.34193.34193.39763.39764.1810
Cl52.06293.22513.34193.34193.39764.18103.3976
H62.45261.09164.18103.39763.39761.77661.7766
H72.45261.09163.39763.39764.18101.77661.7766
H82.45261.09163.39764.18103.39761.77661.7766

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.998 Si1 C2 H7 109.998
Si1 C2 H8 109.998 C2 Si1 Cl3 110.720
C2 Si1 Cl4 110.720 C2 Si1 Cl5 110.720
Cl3 Si1 Cl4 108.194 Cl3 Si1 Cl5 108.194
Cl4 Si1 Cl5 108.194 H6 C2 H7 108.939
H6 C2 H8 108.939 H7 C2 H8 108.939
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.604      
2 C -0.517      
3 Cl -0.191      
4 Cl -0.191      
5 Cl -0.191      
6 H 0.162      
7 H 0.162      
8 H 0.162      


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 2.297 2.297
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.158 0.000 0.000
y 0.000 -59.158 0.000
z 0.000 0.000 -54.409
Traceless
 xyz
x -2.375 0.000 0.000
y 0.000 -2.375 0.000
z 0.000 0.000 4.749
Polar
3z2-r29.498
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 9.698 0.000 0.000
y 0.000 9.698 0.000
z 0.000 0.000 8.799


<r2> (average value of r2) Å2
<r2> 286.575
(<r2>)1/2 16.929