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All results from a given calculation for SiHCl3 (Trichlorosilane)

using model chemistry: LSDA/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 LSDA/cc-pVTZ
 hartrees
Energy at 0K-1666.660664
Energy at 298.15K-1666.662251
Nuclear repulsion energy338.889589
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 LSDA/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 2233 2209 39.74      
2 A1 490 485 23.77      
3 A1 239 236 6.51      
4 E 750 742 114.36      
4 E 750 742 114.37      
5 E 597 591 121.41      
5 E 597 591 121.38      
6 E 164 162 1.66      
6 E 164 162 1.66      

Unscaled Zero Point Vibrational Energy (zpe) 2992.3 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 2959.7 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 LSDA/cc-pVTZ
ABC
0.08174 0.08174 0.04395

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.507
H2 0.000 0.000 1.988
Cl3 0.000 1.912 -0.178
Cl4 1.656 -0.956 -0.178
Cl5 -1.656 -0.956 -0.178

Atom - Atom Distances (Å)
  Si1 H2 Cl3 Cl4 Cl5
Si11.48072.03122.03122.0312
H21.48072.88912.88912.8891
Cl32.03122.88913.31203.3120
Cl42.03122.88913.31203.3120
Cl52.03122.88913.31203.3120

picture of Trichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 Cl3 109.708 H2 Si1 Cl4 109.708
H2 Si1 Cl5 109.708 Cl3 Si1 Cl4 109.233
Cl3 Si1 Cl5 109.233 Cl4 Si1 Cl5 109.233
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.309      
2 H 0.047      
3 Cl -0.119      
4 Cl -0.119      
5 Cl -0.119      


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 0.824 0.824
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.384 0.000 0.000
y 0.000 -51.384 0.000
z 0.000 0.000 -49.538
Traceless
 xyz
x -0.923 0.000 0.000
y 0.000 -0.923 0.000
z 0.000 0.000 1.846
Polar
3z2-r23.693
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 9.544 0.000 0.000
y 0.000 9.544 0.000
z 0.000 0.000 7.313


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