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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-1709.747249
Energy at 298.15K-1709.750552
HF Energy-1709.747249
Nuclear repulsion energy435.899054
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 B3PW91/6-31G*
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 2277 2179 56.11      
2 A1 927 887 187.42      
3 A1 872 834 76.66      
4 A1 430 411 7.96      
5 A1 283 271 10.28      
6 A2 190 182 0.00      
7 E 2301 2202 109.14      
7 E 2301 2202 109.14      
8 E 939 899 59.72      
8 E 939 899 59.72      
9 E 750 717 62.27      
9 E 750 717 62.28      
10 E 607 581 74.75      
10 E 607 581 74.77      
11 E 274 262 0.00      
11 E 274 262 0.00      
12 E 159 152 0.01      
12 E 159 152 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 7518.6 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 7193.1 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 B3PW91/6-31G*
ABC
0.05502 0.05422 0.05422

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.874
C2 0.000 0.000 -0.052
H3 0.000 -1.414 2.319
H4 1.225 0.707 2.319
H5 -1.225 0.707 2.319
Cl6 0.000 1.692 -0.645
Cl7 1.465 -0.846 -0.645
Cl8 -1.465 -0.846 -0.645

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.92611.48241.48241.48243.03483.03483.0348
C21.92612.76002.76002.76001.79311.79311.7931
H31.48242.76002.44972.44974.29323.35443.3544
H41.48242.76002.44972.44973.35443.35444.2932
H51.48242.76002.44972.44973.35444.29323.3544
Cl63.03481.79314.29323.35443.35442.93082.9308
Cl73.03481.79313.35443.35444.29322.93082.9308
Cl83.03481.79313.35444.29323.35442.93082.9308

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 109.322 Si1 C2 Cl7 109.322
Si1 C2 Cl8 109.322 C2 Si1 H3 107.430
C2 Si1 H4 107.430 C2 Si1 H5 107.430
H3 Si1 H4 111.433 H3 Si1 H5 111.433
H4 Si1 H5 111.433 Cl6 C2 Cl7 109.620
Cl6 C2 Cl8 109.620 Cl7 C2 Cl8 109.620
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.443      
2 C -0.490      
3 H -0.037      
4 H -0.037      
5 H -0.037      
6 Cl 0.053      
7 Cl 0.053      
8 Cl 0.053      


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 1.719 1.719
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.519 0.000 0.000
y 0.000 -58.519 0.000
z 0.000 0.000 -55.442
Traceless
 xyz
x -1.538 0.000 0.000
y 0.000 -1.538 0.000
z 0.000 0.000 3.077
Polar
3z2-r26.154
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 9.558 0.000 0.000
y 0.000 9.558 0.000
z 0.000 0.000 8.595


<r2> (average value of r2) Å2
<r2> 274.473
(<r2>)1/2 16.567