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

using model chemistry: PBEPBEultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-1709.305952
Energy at 298.15K-1709.309046
HF Energy-1709.305952
Nuclear repulsion energy434.592589
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 PBEPBEultrafine/aug-cc-pVTZ
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 2177 2153 42.56      
2 A1 881 871 133.37      
3 A1 832 823 77.60      
4 A1 411 407 7.50      
5 A1 269 266 8.34      
6 A2 179 177 0.00      
7 E 2203 2178 63.11      
7 E 2203 2178 63.13      
8 E 898 888 43.40      
8 E 898 888 43.41      
9 E 693 686 48.21      
9 E 693 686 48.20      
10 E 574 567 70.41      
10 E 574 567 70.42      
11 E 256 253 0.19      
11 E 256 253 0.19      
12 E 147 145 0.05      
12 E 147 145 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 7144.8 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 7064.8 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
0.05468 0.05393 0.05393

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.879
C2 0.000 0.000 -0.048
H3 0.000 -1.424 2.325
H4 1.233 0.712 2.325
H5 -1.233 0.712 2.325
Cl6 0.000 1.697 -0.647
Cl7 1.470 -0.849 -0.647
Cl8 -1.470 -0.849 -0.647

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.92701.49241.49241.49243.04263.04263.0426
C21.92702.76782.76782.76781.79951.79951.7995
H31.49242.76782.46652.46654.30963.36493.3649
H41.49242.76782.46652.46653.36493.36494.3096
H51.49242.76782.46652.46653.36494.30963.3649
Cl63.04261.79954.30963.36493.36492.93952.9395
Cl73.04261.79953.36493.36494.30962.93952.9395
Cl83.04261.79953.36494.30963.36492.93952.9395

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 109.422 Si1 C2 Cl7 109.422
Si1 C2 Cl8 109.422 C2 Si1 H3 107.406
C2 Si1 H4 107.406 C2 Si1 H5 107.406
H3 Si1 H4 111.456 H3 Si1 H5 111.456
H4 Si1 H5 111.456 Cl6 C2 Cl7 109.521
Cl6 C2 Cl8 109.521 Cl7 C2 Cl8 109.521
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.726      
2 C 0.455      
3 H -0.159      
4 H -0.159      
5 H -0.159      
6 Cl -0.234      
7 Cl -0.234      
8 Cl -0.234      


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 1.408 1.408
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.855 0.000 0.000
y 0.000 -58.855 0.000
z 0.000 0.000 -56.347
Traceless
 xyz
x -1.254 0.000 0.000
y 0.000 -1.254 0.000
z 0.000 0.000 2.507
Polar
3z2-r25.015
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 13.154 0.000 0.000
y 0.000 13.155 0.000
z 0.000 0.000 12.910


<r2> (average value of r2) Å2
<r2> 276.184
(<r2>)1/2 16.619