return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: PBE1PBE/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 PBE1PBE/cc-pV(T+d)Z
 hartrees
Energy at 0K-1709.452222
Energy at 298.15K 
HF Energy-1709.452222
Nuclear repulsion energy440.040794
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 PBE1PBE/cc-pV(T+d)Z
Rotational Constants (cm-1) from geometry optimized at PBE1PBE/cc-pV(T+d)Z
ABC
0.05615 0.05525 0.05525

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pV(T+d)Z

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.858
C2 0.000 0.000 -0.054
H3 0.000 -1.413 2.301
H4 1.223 0.706 2.301
H5 -1.223 0.706 2.301
Cl6 0.000 1.675 -0.639
Cl7 1.450 -0.837 -0.639
Cl8 -1.450 -0.837 -0.639

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.91201.48051.48051.48053.00683.00683.0068
C21.91202.74602.74602.74601.77401.77401.7740
H31.48052.74602.44702.44704.26323.32833.3283
H41.48052.74602.44702.44703.32833.32834.2632
H51.48052.74602.44702.44703.32834.26323.3283
Cl63.00681.77404.26323.32833.32832.90062.9006
Cl73.00681.77403.32833.32834.26322.90062.9006
Cl83.00681.77403.32834.26323.32832.90062.9006

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 109.263 Si1 C2 Cl7 109.263
Si1 C2 Cl8 109.263 C2 Si1 H3 107.396
C2 Si1 H4 107.396 C2 Si1 H5 107.396
H3 Si1 H4 111.464 H3 Si1 H5 111.464
H4 Si1 H5 111.464 Cl6 C2 Cl7 109.679
Cl6 C2 Cl8 109.679 Cl7 C2 Cl8 109.679
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.298      
2 C -0.052      
3 H -0.021      
4 H -0.021      
5 H -0.021      
6 Cl -0.062      
7 Cl -0.062      
8 Cl -0.062      


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 1.376 1.376
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.278 0.000 0.000
y 0.000 -58.278 0.000
z 0.000 0.000 -55.839
Traceless
 xyz
x -1.219 0.000 0.000
y 0.000 -1.219 0.000
z 0.000 0.000 2.439
Polar
3z2-r24.878
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> 269.974
(<r2>)1/2 16.431