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All results from a given calculation for SiH3Cl (chlorosilane)

using model chemistry: PBE1PBE/3-21G*

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/3-21G*
 hartrees
Energy at 0K-747.682111
Energy at 298.15K 
HF Energy-747.682111
Nuclear repulsion energy86.331460
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/3-21G*
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 2300 2207 57.72 194.26 0.01 0.03
2 A1 966 928 297.17 17.22 0.73 0.85
3 A1 565 542 66.19 9.58 0.32 0.48
4 E 2313 2220 113.82 61.65 0.75 0.86
4 E 2313 2220 113.84 61.65 0.75 0.86
5 E 952 913 63.09 22.59 0.75 0.86
5 E 952 913 63.09 22.59 0.75 0.86
6 E 671 644 32.81 12.15 0.75 0.86
6 E 671 644 32.81 12.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5850.6 cm-1
Scaled (by 0.9598) Zero Point Vibrational Energy (zpe) 5615.4 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 PBE1PBE/3-21G*
ABC
2.82446 0.22186 0.22186

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 -0.984
Cl2 0.000 0.000 1.068
H3 0.000 1.405 -1.461
H4 1.217 -0.703 -1.461
H5 -1.217 -0.703 -1.461

Atom - Atom Distances (Å)
  Si1 Cl2 H3 H4 H5
Si12.05221.48361.48361.4836
Cl22.05222.89292.89292.8929
H31.48362.89292.43352.4335
H41.48362.89292.43352.4335
H51.48362.89292.43352.4335

picture of chlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 Si1 H3 108.735 Cl2 Si1 H4 108.735
Cl2 Si1 H5 108.735 H3 Si1 H4 110.197
H3 Si1 H5 110.197 H4 Si1 H5 110.197
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.435      
2 Cl -0.314      
3 H -0.040      
4 H -0.040      
5 H -0.040      


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 -1.686 1.686
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.926 0.000 0.000
y 0.000 -27.926 0.000
z 0.000 0.000 -27.395
Traceless
 xyz
x -0.265 0.000 0.000
y 0.000 -0.265 0.000
z 0.000 0.000 0.531
Polar
3z2-r21.062
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 3.735 0.000 0.000
y 0.000 3.735 0.000
z 0.000 0.000 5.406


<r2> (average value of r2) Å2
<r2> 62.608
(<r2>)1/2 7.913