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All results from a given calculation for SiH3Cl (chlorosilane)

using model chemistry: B3PW91/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/TZVP
 hartrees
Energy at 0K-751.476688
Energy at 298.15K 
HF Energy-751.476688
Nuclear repulsion energy85.454523
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 B3PW91/TZVP
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 2239 2159 53.59 274.34 0.02 0.03
2 A1 939 906 277.75 16.48 0.69 0.81
3 A1 536 517 73.33 9.27 0.32 0.49
4 E 2255 2175 104.27 86.99 0.75 0.86
4 E 2255 2175 104.29 86.99 0.75 0.86
5 E 943 909 61.80 22.29 0.75 0.86
5 E 943 909 61.80 22.29 0.75 0.86
6 E 651 628 28.09 16.16 0.75 0.86
6 E 651 628 28.09 16.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5705.8 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 5502.1 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 B3PW91/TZVP
ABC
2.80375 0.21669 0.21669

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 -0.999
Cl2 0.000 0.000 1.081
H3 0.000 1.410 -1.465
H4 1.221 -0.705 -1.465
H5 -1.221 -0.705 -1.465

Atom - Atom Distances (Å)
  Si1 Cl2 H3 H4 H5
Si12.07951.48521.48521.4852
Cl22.07952.90992.90992.9099
H31.48522.90992.44252.4425
H41.48522.90992.44252.4425
H51.48522.90992.44252.4425

picture of chlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 Si1 H3 108.283 Cl2 Si1 H4 108.283
Cl2 Si1 H5 108.283 H3 Si1 H4 110.633
H3 Si1 H5 110.633 H4 Si1 H5 110.633
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.432      
2 Cl -0.252      
3 H -0.060      
4 H -0.060      
5 H -0.060      


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 -1.694 1.694
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.737 0.000 0.000
y 0.000 -27.737 0.000
z 0.000 0.000 -27.083
Traceless
 xyz
x -0.327 0.000 0.000
y 0.000 -0.327 0.000
z 0.000 0.000 0.653
Polar
3z2-r21.307
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 4.527 0.000 0.000
y 0.000 4.527 0.000
z 0.000 0.000 6.032


<r2> (average value of r2) Å2
<r2> 63.410
(<r2>)1/2 7.963