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All results from a given calculation for SiHCl3 (Trichlorosilane)

using model chemistry: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-1670.987635
Energy at 298.15K-1670.989286
Nuclear repulsion energy338.447417
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 B1B95/6-31G(2df,p)
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 2313 2215 58.24      
2 A1 496 475 25.86      
3 A1 247 237 7.24      
4 E 794 761 132.56      
4 E 794 761 132.64      
5 E 605 580 140.21      
5 E 605 580 140.26      
6 E 170 163 1.83      
6 E 170 163 1.83      

Unscaled Zero Point Vibrational Energy (zpe) 3097.2 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 2966.2 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 B1B95/6-31G(2df,p)
ABC
0.08148 0.08148 0.04373

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.501
H2 0.000 0.000 1.968
Cl3 0.000 1.917 -0.176
Cl4 1.660 -0.958 -0.176
Cl5 -1.660 -0.958 -0.176

Atom - Atom Distances (Å)
  Si1 H2 Cl3 Cl4 Cl5
Si11.46612.03322.03322.0332
H21.46612.87592.87592.8759
Cl32.03322.87593.32033.3203
Cl42.03322.87593.32033.3203
Cl52.03322.87593.32033.3203

picture of Trichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 Cl3 109.470 H2 Si1 Cl4 109.470
H2 Si1 Cl5 109.470 Cl3 Si1 Cl4 109.473
Cl3 Si1 Cl5 109.473 Cl4 Si1 Cl5 109.473
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.367      
2 H 0.039      
3 Cl -0.135      
4 Cl -0.135      
5 Cl -0.135      


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 0.828 0.828
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.803 0.000 0.000
y 0.000 -50.803 0.000
z 0.000 0.000 -48.914
Traceless
 xyz
x -0.944 0.000 0.000
y 0.000 -0.944 0.000
z 0.000 0.000 1.888
Polar
3z2-r23.776
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 8.790 0.000 0.000
y 0.000 8.794 -0.000
z 0.000 -0.000 6.622


<r2> (average value of r2) Å2
<r2> 227.724
(<r2>)1/2 15.091