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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-1710.304285
Energy at 298.15K-1710.307491
HF Energy-1710.304285
Nuclear repulsion energy439.984660
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 B1B95/6-31G(2df,p)
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 2946 0.57      
2 A1 1286 1232 20.14      
3 A1 767 735 70.68      
4 A1 453 434 18.90      
5 A1 230 220 9.91      
6 A2 166 159 0.00      
7 E 3178 3043 0.25      
7 E 3178 3043 0.25      
8 E 1444 1383 2.31      
8 E 1444 1383 2.31      
9 E 811 777 88.58      
9 E 811 777 88.60      
10 E 587 563 138.05      
10 E 587 563 138.04      
11 E 214 204 2.28      
11 E 214 204 2.28      
12 E 151 145 0.61      
12 E 151 145 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 9373.1 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 8976.6 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 B1B95/6-31G(2df,p)
ABC
0.05854 0.05854 0.04375

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.260
C2 0.000 0.000 2.100
Cl3 0.000 1.909 -0.464
Cl4 1.653 -0.954 -0.464
Cl5 -1.653 -0.954 -0.464
H6 0.000 -1.025 2.472
H7 0.888 0.513 2.472
H8 -0.888 0.513 2.472

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.84052.04102.04112.04112.43832.43832.4383
C21.84053.19633.19633.19631.09061.09061.0906
Cl32.04103.19633.30573.30574.15043.36983.3698
Cl42.04113.19633.30573.30573.36983.36984.1504
Cl52.04113.19633.30573.30573.36984.15043.3698
H62.43831.09064.15043.36983.36981.77581.7758
H72.43831.09063.36983.36984.15041.77581.7758
H82.43831.09063.36984.15043.36981.77581.7758

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.934 Si1 C2 H7 109.934
Si1 C2 H8 109.934 C2 Si1 Cl3 110.760
C2 Si1 Cl4 110.760 C2 Si1 Cl5 110.760
Cl3 Si1 Cl4 108.152 Cl3 Si1 Cl5 108.152
Cl4 Si1 Cl5 108.152 H6 C2 H7 109.005
H6 C2 H8 109.005 H7 C2 H8 109.005
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.496      
2 C -0.510      
3 Cl -0.168      
4 Cl -0.168      
5 Cl -0.168      
6 H 0.173      
7 H 0.173      
8 H 0.173      


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 2.106 2.106
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.620 0.000 0.000
y 0.000 -57.620 0.000
z 0.000 0.000 -53.159
Traceless
 xyz
x -2.230 0.000 0.000
y 0.000 -2.230 0.000
z 0.000 0.000 4.461
Polar
3z2-r28.922
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 9.867 0.000 0.000
y 0.000 9.872 0.000
z 0.000 0.000 8.994


<r2> (average value of r2) Å2
<r2> 280.689
(<r2>)1/2 16.754