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

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-1709.141535
Energy at 298.15K-1709.144651
HF Energy-1709.141535
Nuclear repulsion energy432.797483
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/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 2207 2175 51.43      
2 A1 892 879 145.90      
3 A1 839 827 84.91      
4 A1 413 407 8.28      
5 A1 275 271 9.75      
6 A2 188 185 0.00      
7 E 2234 2202 95.82      
7 E 2234 2202 95.82      
8 E 903 890 50.62      
8 E 903 890 50.62      
9 E 701 691 63.80      
9 E 701 691 63.79      
10 E 578 570 85.75      
10 E 578 570 85.80      
11 E 264 260 0.08      
11 E 264 260 0.08      
12 E 152 150 0.00      
12 E 152 150 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7239.3 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 7135.8 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/6-31G*
ABC
0.05409 0.05354 0.05354

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.882
C2 0.000 0.000 -0.051
H3 0.000 -1.425 2.332
H4 1.234 0.712 2.332
H5 -1.234 0.712 2.332
Cl6 0.000 1.707 -0.648
Cl7 1.478 -0.853 -0.648
Cl8 -1.478 -0.853 -0.648

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.93251.49421.49421.49423.05133.05133.0513
C21.93252.77602.77602.77601.80801.80801.8080
H31.49422.77602.46792.46794.32243.37463.3746
H41.49422.77602.46792.46793.37463.37464.3224
H51.49422.77602.46792.46793.37464.32243.3746
Cl63.05131.80804.32243.37463.37462.95582.9558
Cl73.05131.80803.37463.37464.32242.95582.9558
Cl83.05131.80803.37464.32243.37462.95582.9558

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 109.281 Si1 C2 Cl7 109.281
Si1 C2 Cl8 109.281 C2 Si1 H3 107.528
C2 Si1 H4 107.528 C2 Si1 H5 107.528
H3 Si1 H4 111.343 H3 Si1 H5 111.343
H4 Si1 H5 111.343 Cl6 C2 Cl7 109.661
Cl6 C2 Cl8 109.661 Cl7 C2 Cl8 109.661
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.333      
2 C -0.477      
3 H -0.011      
4 H -0.011      
5 H -0.011      
6 Cl 0.059      
7 Cl 0.059      
8 Cl 0.059      


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 1.598 1.598
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.524 0.000 0.000
y 0.000 -58.524 0.000
z 0.000 0.000 -55.683
Traceless
 xyz
x -1.421 0.000 0.000
y 0.000 -1.421 0.000
z 0.000 0.000 2.841
Polar
3z2-r25.682
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 9.942 0.000 0.000
y 0.000 9.942 0.000
z 0.000 0.000 9.087


<r2> (average value of r2) Å2
<r2> 277.876
(<r2>)1/2 16.670