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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: LSDA/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 LSDA/6-31G**
 hartrees
Energy at 0K-1705.625515
Energy at 298.15K-1705.628663
HF Energy-1705.625515
Nuclear repulsion energy439.227692
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 LSDA/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 3004 2948 4.15      
2 A1 1245 1222 42.89      
3 A1 768 753 69.71      
4 A1 447 439 19.96      
5 A1 226 222 11.99      
6 A2 165 162 0.00      
7 E 3111 3053 0.44      
7 E 3111 3053 0.44      
8 E 1387 1361 5.37      
8 E 1387 1361 5.37      
9 E 799 784 107.00      
9 E 799 784 106.98      
10 E 585 574 128.33      
10 E 585 574 128.28      
11 E 210 206 2.35      
11 E 210 206 2.36      
12 E 149 146 0.78      
12 E 149 146 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 9167.7 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 8996.3 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 LSDA/6-31G**
ABC
0.05844 0.05844 0.04345

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.256
C2 0.000 0.000 2.091
Cl3 0.000 1.915 -0.461
Cl4 1.658 -0.958 -0.461
Cl5 -1.658 -0.958 -0.461
H6 0.000 -1.035 2.467
H7 0.897 0.518 2.467
H8 -0.897 0.518 2.467

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.83462.04502.04502.04502.44102.44102.4410
C21.83463.19063.19063.19061.10151.10151.1015
Cl32.04503.19063.31693.31694.15663.36583.3658
Cl42.04503.19063.31693.31693.36583.36584.1566
Cl52.04503.19063.31693.31693.36584.15663.3658
H62.44101.10154.15663.36583.36581.79341.7934
H72.44101.10153.36583.36584.15661.79341.7934
H82.44101.10153.36584.15663.36581.79341.7934

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.954 Si1 C2 H7 109.954
Si1 C2 H8 109.954 C2 Si1 Cl3 110.536
C2 Si1 Cl4 110.536 C2 Si1 Cl5 110.536
Cl3 Si1 Cl4 108.386 Cl3 Si1 Cl5 108.386
Cl4 Si1 Cl5 108.386 H6 C2 H7 108.984
H6 C2 H8 108.984 H7 C2 H8 108.985
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.387      
2 C -0.587      
3 Cl -0.132      
4 Cl -0.132      
5 Cl -0.132      
6 H 0.199      
7 H 0.199      
8 H 0.199      


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 2.418 2.418
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.878 0.000 0.000
y 0.000 -58.878 0.000
z 0.000 0.000 -53.567
Traceless
 xyz
x -2.655 0.000 0.000
y 0.000 -2.655 0.000
z 0.000 0.000 5.311
Polar
3z2-r210.622
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 9.304 0.000 0.000
y 0.000 9.305 0.000
z 0.000 0.000 8.193


<r2> (average value of r2) Å2
<r2> 282.167
(<r2>)1/2 16.798