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

using model chemistry: TPSSh/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at TPSSh/cc-pVDZ
 hartrees
Energy at 0K-1710.065142
Energy at 298.15K-1710.068378
HF Energy-1710.065142
Nuclear repulsion energy433.468320
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 TPSSh/cc-pVDZ
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 2249 2187 45.34      
2 A1 919 894 187.55      
3 A1 867 843 64.64      
4 A1 417 406 10.09      
5 A1 274 266 10.68      
6 A2 192 187 0.00      
7 E 2272 2210 77.29      
7 E 2272 2210 77.29      
8 E 944 917 54.86      
8 E 944 917 54.84      
9 E 726 706 54.84      
9 E 726 706 54.81      
10 E 596 579 84.23      
10 E 595 579 84.28      
11 E 262 255 0.08      
11 E 262 255 0.08      
12 E 150 145 0.01      
12 E 149 145 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 7408.4 cm-1
Scaled (by 0.9724) Zero Point Vibrational Energy (zpe) 7203.9 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 TPSSh/cc-pVDZ
ABC
0.05448 0.05357 0.05357

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.888
C2 0.000 0.000 -0.045
H3 0.000 -1.420 2.330
H4 1.230 0.710 2.330
H5 -1.230 0.710 2.330
Cl6 0.000 1.700 -0.650
Cl7 1.473 -0.850 -0.650
Cl8 -1.473 -0.850 -0.650

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.93281.48721.48721.48723.05493.05493.0549
C21.93282.76702.76702.76701.80491.80491.8049
H31.48722.76702.45952.45954.31483.37263.3726
H41.48722.76702.45952.45953.37263.37264.3148
H51.48722.76702.45952.45953.37264.31483.3726
Cl63.05491.80494.31483.37263.37262.94512.9451
Cl73.05491.80493.37263.37264.31482.94512.9451
Cl83.05491.80493.37264.31483.37262.94512.9451

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 109.592 Si1 C2 Cl7 109.592
Si1 C2 Cl8 109.592 C2 Si1 H3 107.293
C2 Si1 H4 107.293 C2 Si1 H5 107.293
H3 Si1 H4 111.559 H3 Si1 H5 111.559
H4 Si1 H5 111.559 Cl6 C2 Cl7 109.350
Cl6 C2 Cl8 109.350 Cl7 C2 Cl8 109.350
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.404      
2 C -0.375      
3 H -0.020      
4 H -0.020      
5 H -0.020      
6 Cl 0.010      
7 Cl 0.010      
8 Cl 0.010      


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 1.965 1.965
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.127 0.000 0.000
y 0.000 10.127 0.001
z 0.000 0.001 9.145


<r2> (average value of r2) Å2
<r2> 277.036
(<r2>)1/2 16.644