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All results from a given calculation for SiHCl3 (Trichlorosilane)

using model chemistry: B3LYP/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 B3LYP/cc-pVTZ
 hartrees
Energy at 0K-1670.981962
Energy at 298.15K-1670.983585
Nuclear repulsion energy335.251466
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 B3LYP/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 2301 2224 57.29      
2 A1 480 464 26.24      
3 A1 246 238 7.55      
4 E 799 773 128.24      
4 E 799 773 128.25      
5 E 581 562 144.09      
5 E 581 562 144.08      
6 E 170 164 1.84      
6 E 170 164 1.84      

Unscaled Zero Point Vibrational Energy (zpe) 3063.5 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 2961.2 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 B3LYP/cc-pVTZ
ABC
0.07992 0.07992 0.04286

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.504
H2 0.000 0.000 1.971
Cl3 0.000 1.936 -0.177
Cl4 1.677 -0.968 -0.177
Cl5 -1.677 -0.968 -0.177

Atom - Atom Distances (Å)
  Si1 H2 Cl3 Cl4 Cl5
Si11.46672.05262.05262.0526
H21.46672.89182.89182.8918
Cl32.05262.89183.35383.3538
Cl42.05262.89183.35383.3538
Cl52.05262.89183.35383.3538

picture of Trichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 Cl3 109.380 H2 Si1 Cl4 109.380
H2 Si1 Cl5 109.380 Cl3 Si1 Cl4 109.562
Cl3 Si1 Cl5 109.562 Cl4 Si1 Cl5 109.562
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.549     0.293
2 H -0.006     0.008
3 Cl -0.181     -0.102
4 Cl -0.181     -0.100
5 Cl -0.181     -0.100


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 0.901 0.901
CHELPG        
AIM        
ESP -0.002 -0.015 1.046 1.046


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.964 0.000 0.000
y 0.000 -51.964 0.000
z 0.000 0.000 -49.766
Traceless
 xyz
x -1.099 0.000 0.000
y 0.000 -1.099 0.000
z 0.000 0.000 2.199
Polar
3z2-r24.397
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 9.317 0.000 0.000
y 0.000 9.315 0.000
z 0.000 0.000 7.073


<r2> (average value of r2) Å2
<r2> 232.259
(<r2>)1/2 15.240