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All results from a given calculation for SiH3CCl3 ((trichloromethyl)silane)

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-1710.102329
Energy at 298.15K-1710.105631
HF Energy-1710.102329
Nuclear repulsion energy440.142476
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 2260 2165 47.28      
2 A1 932 892 134.18      
3 A1 880 843 109.18      
4 A1 437 419 7.55      
5 A1 277 265 9.54      
6 A2 194 186 0.00      
7 E 2280 2184 74.65      
7 E 2280 2184 74.71      
8 E 939 899 52.58      
8 E 939 899 52.59      
9 E 767 735 55.88      
9 E 767 735 55.88      
10 E 610 584 54.92      
10 E 610 584 54.92      
11 E 266 255 0.00      
11 E 266 254 0.00      
12 E 147 140 0.05      
12 E 146 140 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 7498.2 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 7181.0 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
0.05612 0.05530 0.05530

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 1.856
C2 0.000 0.000 -0.051
H3 0.000 -1.409 2.297
H4 1.220 0.705 2.297
H5 -1.220 0.705 2.297
Cl6 0.000 1.675 -0.639
Cl7 1.451 -0.838 -0.639
Cl8 -1.451 -0.838 -0.639

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.90671.47641.47641.47643.00513.00513.0051
C21.90672.73792.73792.73791.77541.77541.7754
H31.47642.73792.44062.44064.25803.32413.3241
H41.47642.73792.44062.44063.32413.32414.2580
H51.47642.73792.44062.44063.32414.25803.3241
Cl63.00511.77544.25803.32413.32412.90132.9013
Cl73.00511.77543.32413.32414.25802.90132.9013
Cl83.00511.77543.32414.25803.32412.90132.9013

picture of (trichloromethyl)silane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 Cl6 109.349 Si1 C2 Cl7 109.349
Si1 C2 Cl8 109.349 C2 Si1 H3 107.369
C2 Si1 H4 107.369 C2 Si1 H5 107.369
H3 Si1 H4 111.489 H3 Si1 H5 111.489
H4 Si1 H5 111.489 Cl6 C2 Cl7 109.594
Cl6 C2 Cl8 109.594 Cl7 C2 Cl8 109.594
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 0.044      
2 C 0.044      
3 H 0.037      
4 H 0.037      
5 H 0.037      
6 Cl -0.066      
7 Cl -0.066      
8 Cl -0.066      


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 1.441 1.441
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.739 0.000 0.000
y 0.000 -57.739 0.000
z 0.000 0.000 -55.161
Traceless
 xyz
x -1.289 0.000 0.000
y 0.000 -1.289 0.000
z 0.000 0.000 2.578
Polar
3z2-r25.157
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 10.451 0.000 0.000
y 0.000 10.449 0.000
z 0.000 0.000 9.907


<r2> (average value of r2) Å2
<r2> 269.473
(<r2>)1/2 16.416