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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: B1B95/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 B1B95/TZVP
 hartrees
Energy at 0K-1710.392084
Energy at 298.15K-1710.395339
HF Energy-1710.392084
Nuclear repulsion energy437.877002
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 B1B95/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 3076 2944 0.08      
2 A1 1301 1245 28.94      
3 A1 765 732 77.58      
4 A1 449 429 22.96      
5 A1 231 221 12.81      
6 A2 178 171 0.00      
7 E 3172 3035 0.34      
7 E 3172 3035 0.34      
8 E 1452 1389 5.26      
8 E 1452 1389 5.26      
9 E 826 791 85.46      
9 E 826 791 85.51      
10 E 582 556 157.62      
10 E 582 556 157.59      
11 E 216 206 3.31      
11 E 216 206 3.31      
12 E 154 147 0.56      
12 E 154 147 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 9400.6 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 8995.4 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 B1B95/TZVP
ABC
0.05798 0.05798 0.04328

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.261
C2 0.000 0.000 2.107
Cl3 0.000 1.919 -0.465
Cl4 1.662 -0.960 -0.465
Cl5 -1.662 -0.960 -0.465
H6 0.000 -1.023 2.479
H7 0.886 0.512 2.479
H8 -0.886 0.512 2.479

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.84622.05202.05202.05202.44242.44242.4424
C21.84623.20973.20973.20971.08841.08841.0884
Cl32.05203.20973.32393.32394.16243.38173.3817
Cl42.05203.20973.32393.32393.38173.38174.1624
Cl52.05203.20973.32393.32393.38174.16243.3817
H62.44241.08844.16243.38173.38171.77191.7719
H72.44241.08843.38173.38174.16241.77191.7719
H82.44241.08843.38174.16243.38171.77191.7719

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.963 Si1 C2 H7 109.963
Si1 C2 H8 109.963 C2 Si1 Cl3 110.738
C2 Si1 Cl4 110.738 C2 Si1 Cl5 110.738
Cl3 Si1 Cl4 108.175 Cl3 Si1 Cl5 108.175
Cl4 Si1 Cl5 108.175 H6 C2 H7 108.975
H6 C2 H8 108.975 H7 C2 H8 108.975
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.571      
2 C -0.507      
3 Cl -0.181      
4 Cl -0.181      
5 Cl -0.181      
6 H 0.159      
7 H 0.159      
8 H 0.159      


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 2.240 2.240
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.930 0.000 0.000
y 0.000 -58.930 0.000
z 0.000 0.000 -54.361
Traceless
 xyz
x -2.284 0.000 0.000
y 0.000 -2.284 0.000
z 0.000 0.000 4.568
Polar
3z2-r29.136
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 9.608 0.000 0.000
y 0.000 9.611 0.001
z 0.000 0.001 8.746


<r2> (average value of r2) Å2
<r2> 283.901
(<r2>)1/2 16.849