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All results from a given calculation for SiH3Cl (chlorosilane)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-751.153660
Energy at 298.15K 
HF Energy-751.153660
Nuclear repulsion energy85.513105
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 PBEPBEultrafine/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 2181 2159 50.01 207.51 0.01 0.03
2 A1 910 901 218.72 5.90 0.68 0.81
3 A1 534 528 60.12 10.78 0.22 0.36
4 E 2199 2176 91.20 65.32 0.75 0.86
4 E 2199 2176 91.21 65.31 0.75 0.86
5 E 912 903 45.52 13.07 0.75 0.86
5 E 912 903 45.52 13.07 0.75 0.86
6 E 633 626 19.15 7.39 0.75 0.86
6 E 633 626 19.15 7.39 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5556.2 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 5498.9 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 PBEPBEultrafine/6-31G(2df,p)
ABC
2.78659 0.21740 0.21740

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 -0.995
Cl2 0.000 0.000 1.079
H3 0.000 1.415 -1.471
H4 1.225 -0.707 -1.471
H5 -1.225 -0.707 -1.471

Atom - Atom Distances (Å)
  Si1 Cl2 H3 H4 H5
Si12.07421.49251.49251.4925
Cl22.07422.91642.91642.9164
H31.49252.91642.45002.4500
H41.49252.91642.45002.4500
H51.49252.91642.45002.4500

picture of chlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 Si1 H3 108.609 Cl2 Si1 H4 108.609
Cl2 Si1 H5 108.609 H3 Si1 H4 110.320
H3 Si1 H5 110.320 H4 Si1 H5 110.320
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.032      
2 Cl -0.173      
3 H 0.047      
4 H 0.047      
5 H 0.047      


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 -1.305 1.305
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.510 0.000 0.000
y 0.000 -27.510 0.000
z 0.000 0.000 -26.573
Traceless
 xyz
x -0.469 0.000 0.000
y 0.000 -0.469 0.000
z 0.000 0.000 0.938
Polar
3z2-r21.875
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 4.701 0.000 0.000
y 0.000 4.701 0.000
z 0.000 0.000 6.486


<r2> (average value of r2) Å2
<r2> 63.142
(<r2>)1/2 7.946