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

using model chemistry: PBE1PBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBE1PBE/STO-3G
 hartrees
Energy at 0K-1690.583541
Energy at 298.15K-1690.586713
HF Energy-1690.583541
Nuclear repulsion energy428.402932
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 PBE1PBE/STO-3G
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 2692 2374 0.76      
2 A1 1038 915 107.73      
3 A1 977 862 145.07      
4 A1 461 406 5.42      
5 A1 286 253 13.58      
6 A2 151 133 0.00      
7 E 2756 2431 2.45      
7 E 2756 2431 2.45      
8 E 1081 954 62.45      
8 E 1081 954 62.45      
9 E 903 797 57.87      
9 E 903 797 57.87      
10 E 690 609 62.39      
10 E 690 609 62.39      
11 E 268 236 0.94      
11 E 268 236 0.94      
12 E 165 146 0.16      
12 E 165 146 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 8665.4 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 7643.7 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 PBE1PBE/STO-3G
ABC
0.05278 0.05237 0.05237

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.902
C2 0.000 0.000 -0.015
H3 0.000 -1.380 2.320
H4 1.195 0.690 2.320
H5 -1.195 0.690 2.320
Cl6 0.000 1.729 -0.657
Cl7 1.497 -0.864 -0.657
Cl8 -1.497 -0.864 -0.657

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.91651.44221.44221.44223.08823.08823.0882
C21.91652.71182.71182.71181.84441.84441.8444
H31.44222.71182.39092.39094.30443.37163.3716
H41.44222.71182.39092.39093.37163.37164.3044
H51.44222.71182.39092.39093.37164.30443.3716
Cl63.08821.84444.30443.37163.37162.99472.9947
Cl73.08821.84443.37163.37164.30442.99472.9947
Cl83.08821.84443.37164.30443.37162.99472.9947

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 110.379 Si1 C2 Cl7 110.379
Si1 C2 Cl8 110.379 C2 Si1 H3 106.836
C2 Si1 H4 106.836 C2 Si1 H5 106.836
H3 Si1 H4 111.973 H3 Si1 H5 111.973
H4 Si1 H5 111.973 Cl6 C2 Cl7 108.548
Cl6 C2 Cl8 108.548 Cl7 C2 Cl8 108.548
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.603      
2 C -0.047      
3 H -0.084      
4 H -0.084      
5 H -0.084      
6 Cl -0.102      
7 Cl -0.102      
8 Cl -0.102      


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 3.121 3.121
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.177 0.000 0.000
y 0.000 -56.177 0.000
z 0.000 0.000 -50.546
Traceless
 xyz
x -2.815 0.000 0.000
y 0.000 -2.815 0.000
z 0.000 0.000 5.630
Polar
3z2-r211.261
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 5.059 0.000 0.000
y 0.000 5.059 0.000
z 0.000 0.000 3.552


<r2> (average value of r2) Å2
<r2> 280.883
(<r2>)1/2 16.760