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

using model chemistry: PBEPBE/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 PBEPBE/STO-3G
 hartrees
Energy at 0K-1690.319908
Energy at 298.15K-1690.322867
HF Energy-1690.319908
Nuclear repulsion energy423.812605
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 PBEPBE/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 2593 2369 1.15      
2 A1 997 911 116.00      
3 A1 932 852 121.72      
4 A1 435 398 6.10      
5 A1 275 251 12.53      
6 A2 146 133 0.00      
7 E 2660 2431 4.09      
7 E 2660 2431 4.09      
8 E 1043 953 55.59      
8 E 1043 953 55.58      
9 E 835 763 60.75      
9 E 835 763 60.75      
10 E 656 600 73.45      
10 E 656 600 73.45      
11 E 254 232 0.47      
11 E 254 232 0.47      
12 E 157 143 0.14      
12 E 157 143 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 8295.4 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 7578.7 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 PBEPBE/STO-3G
ABC
0.05147 0.05135 0.05135

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.915
C2 0.000 0.000 -0.013
H3 0.000 -1.391 2.339
H4 1.205 0.695 2.339
H5 -1.205 0.695 2.339
Cl6 0.000 1.751 -0.662
Cl7 1.517 -0.876 -0.662
Cl8 -1.517 -0.876 -0.662

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.92761.45411.45411.45413.11543.11543.1154
C21.92762.73232.73232.73231.86761.86761.8676
H31.45412.73232.40902.40904.34493.40173.4017
H41.45412.73232.40902.40903.40173.40174.3449
H51.45412.73232.40902.40903.40174.34493.4017
Cl63.11541.86764.34493.40173.40173.03313.0331
Cl73.11541.86763.40173.40174.34493.03313.0331
Cl83.11541.86763.40174.34493.40173.03313.0331

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 110.339 Si1 C2 Cl7 110.339
Si1 C2 Cl8 110.339 C2 Si1 H3 106.964
C2 Si1 H4 106.964 C2 Si1 H5 106.964
H3 Si1 H4 111.858 H3 Si1 H5 111.858
H4 Si1 H5 111.858 Cl6 C2 Cl7 108.590
Cl6 C2 Cl8 108.590 Cl7 C2 Cl8 108.590
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.576      
2 C -0.049      
3 H -0.079      
4 H -0.079      
5 H -0.079      
6 Cl -0.097      
7 Cl -0.097      
8 Cl -0.097      


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 3.030 3.030
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -55.843 0.000 0.000
y 0.000 -55.843 0.000
z 0.000 0.000 -50.452
Traceless
 xyz
x -2.695 0.000 0.000
y 0.000 -2.695 0.000
z 0.000 0.000 5.391
Polar
3z2-r210.782
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 5.389 0.000 0.000
y 0.000 5.389 0.000
z 0.000 0.000 3.793


<r2> (average value of r2) Å2
<r2> 286.045
(<r2>)1/2 16.913