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

using model chemistry: PBEPBE/aug-cc-pV(T+d)Z

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/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-1709.312018
Energy at 298.15K 
HF Energy-1709.312018
Nuclear repulsion energy435.626143
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/aug-cc-pV(T+d)Z
Rotational Constants (cm-1) from geometry optimized at PBEPBE/aug-cc-pV(T+d)Z
ABC
0.05490 0.05421 0.05421

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pV(T+d)Z

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.873
C2 0.000 0.000 -0.050
H3 0.000 -1.421 2.319
H4 1.231 0.710 2.319
H5 -1.231 0.710 2.319
Cl6 0.000 1.694 -0.645
Cl7 1.467 -0.847 -0.645
Cl8 -1.467 -0.847 -0.645

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.92301.48951.48951.48953.03393.03393.0339
C21.92302.76292.76292.76291.79491.79491.7949
H31.48952.76292.46122.46124.29943.35623.3562
H41.48952.76292.46122.46123.35623.35624.2994
H51.48952.76292.46122.46123.35624.29943.3562
Cl63.03391.79494.29943.35623.35622.93372.9337
Cl73.03391.79493.35623.35624.29942.93372.9337
Cl83.03391.79493.35624.29943.35622.93372.9337

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 109.329 Si1 C2 Cl7 109.329
Si1 C2 Cl8 109.329 C2 Si1 H3 107.443
C2 Si1 H4 107.443 C2 Si1 H5 107.443
H3 Si1 H4 111.421 H3 Si1 H5 111.421
H4 Si1 H5 111.421 Cl6 C2 Cl7 109.613
Cl6 C2 Cl8 109.613 Cl7 C2 Cl8 109.613
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.845      
2 C 0.548      
3 H -0.202      
4 H -0.202      
5 H -0.202      
6 Cl -0.262      
7 Cl -0.262      
8 Cl -0.262      


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 1.364 1.364
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.771 0.000 0.000
y 0.000 -58.771 0.000
z 0.000 0.000 -56.362
Traceless
 xyz
x -1.204 0.000 0.000
y 0.000 -1.204 0.000
z 0.000 0.000 2.408
Polar
3z2-r24.816
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 275.004
(<r2>)1/2 16.583