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All results from a given calculation for SiHCl3 (Trichlorosilane)

using model chemistry: HF/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-1668.229500
Energy at 298.15K-1668.231320
Nuclear repulsion energy339.041351
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 HF/6-311+G(3df,2p)
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 2432 2210 63.78      
2 A1 515 468 29.58      
3 A1 269 245 9.39      
4 E 875 795 145.07      
4 E 875 795 145.07      
5 E 620 563 169.85      
5 E 620 563 169.85      
6 E 186 169 2.34      
6 E 186 169 2.34      

Unscaled Zero Point Vibrational Energy (zpe) 3289.9 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 2989.2 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 HF/6-311+G(3df,2p)
ABC
0.08174 0.08174 0.04383

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.498
H2 0.000 0.000 1.951
Cl3 0.000 1.915 -0.175
Cl4 1.658 -0.957 -0.175
Cl5 -1.658 -0.957 -0.175

Atom - Atom Distances (Å)
  Si1 H2 Cl3 Cl4 Cl5
Si11.45262.02962.02962.0296
H21.45262.86092.86092.8609
Cl32.02962.86093.31643.3164
Cl42.02962.86093.31643.3164
Cl52.02962.86093.31643.3164

picture of Trichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 Cl3 109.368 H2 Si1 Cl4 109.368
H2 Si1 Cl5 109.368 Cl3 Si1 Cl4 109.575
Cl3 Si1 Cl5 109.575 Cl4 Si1 Cl5 109.575
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.293      
2 H -0.055      
3 Cl -0.412      
4 Cl -0.412      
5 Cl -0.412      


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 0.928 0.928
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -52.570 0.000 0.000
y 0.000 -52.570 0.000
z 0.000 0.000 -50.340
Traceless
 xyz
x -1.115 0.000 0.000
y 0.000 -1.115 0.000
z 0.000 0.000 2.230
Polar
3z2-r24.461
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 9.446 0.000 0.000
y 0.000 9.446 0.000
z 0.000 0.000 7.674


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000