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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-1710.157689
Energy at 298.15K-1710.160675
HF Energy-1710.157689
Nuclear repulsion energy420.455468
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
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 3098 2955 0.91      
2 A1 1381 1318 27.11      
3 A1 761 726 58.77      
4 A1 399 380 21.43      
5 A1 200 191 20.86      
6 A2 163 155 0.00      
7 E 3210 3061 0.27      
7 E 3210 3061 0.27      
8 E 1493 1424 11.32      
8 E 1493 1424 11.32      
9 E 917 875 89.02      
9 E 917 875 89.01      
10 E 536 511 128.73      
10 E 536 511 128.73      
11 E 195 186 5.38      
11 E 195 186 5.38      
12 E 134 128 1.31      
12 E 134 128 1.31      

Unscaled Zero Point Vibrational Energy (zpe) 9485.0 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 9045.9 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 B1B95/6-31G
ABC
0.05358 0.05358 0.03943

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.283
C2 0.000 0.000 2.155
Cl3 0.000 2.011 -0.480
Cl4 1.742 -1.006 -0.480
Cl5 -1.742 -1.006 -0.480
H6 0.000 -1.027 2.523
H7 0.889 0.513 2.523
H8 -0.889 0.513 2.523

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.87182.15112.15112.15112.46442.46442.4644
C21.87183.31473.31473.31471.09101.09101.0910
Cl32.15113.31473.48363.48364.27193.47183.4718
Cl42.15113.31473.48363.48363.47183.47184.2719
Cl52.15113.31473.48363.48363.47184.27193.4718
H62.46441.09104.27193.47183.47181.77861.7786
H72.46441.09103.47183.47184.27191.77861.7786
H82.46441.09103.47184.27193.47181.77861.7786

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.740 Si1 C2 H7 109.740
Si1 C2 H8 109.740 C2 Si1 Cl3 110.773
C2 Si1 Cl4 110.773 C2 Si1 Cl5 110.773
Cl3 Si1 Cl4 108.139 Cl3 Si1 Cl5 108.139
Cl4 Si1 Cl5 108.139 H6 C2 H7 109.201
H6 C2 H8 109.201 H7 C2 H8 109.201
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.744      
2 C -0.778      
3 Cl -0.227      
4 Cl -0.227      
5 Cl -0.227      
6 H 0.239      
7 H 0.239      
8 H 0.239      


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 3.518 3.518
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.125 0.000 0.000
y 0.000 -63.125 0.000
z 0.000 0.000 -54.328
Traceless
 xyz
x -4.399 0.000 0.000
y 0.000 -4.399 0.000
z 0.000 0.000 8.798
Polar
3z2-r217.595
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 9.434 0.000 0.000
y 0.000 9.433 0.001
z 0.000 0.001 7.449


<r2> (average value of r2) Å2
<r2> 306.889
(<r2>)1/2 17.518