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All results from a given calculation for SiH3Cl (chlorosilane)

using model chemistry: B2PLYP/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 B2PLYP/3-21G
 hartrees
Energy at 0K-747.431765
Energy at 298.15K 
HF Energy-747.396809
Nuclear repulsion energy81.892785
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 B2PLYP/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 2249 2249 47.47 230.13 0.02 0.03
2 A1 937 937 319.38 16.93 0.74 0.85
3 A1 461 461 42.72 18.82 0.32 0.48
4 E 2272 2272 109.65 69.55 0.75 0.86
4 E 2272 2272 109.67 69.55 0.75 0.86
5 E 941 941 71.26 35.23 0.75 0.86
5 E 941 941 71.26 35.23 0.75 0.86
6 E 638 638 31.11 21.93 0.75 0.86
6 E 638 638 31.11 21.94 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5674.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5674.4 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 B2PLYP/3-21G
ABC
2.77498 0.19566 0.19566

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 -1.060
Cl2 0.000 0.000 1.138
H3 0.000 1.417 -1.506
H4 1.228 -0.709 -1.506
H5 -1.228 -0.709 -1.506

Atom - Atom Distances (Å)
  Si1 Cl2 H3 H4 H5
Si12.19821.48601.48601.4860
Cl22.19823.00013.00013.0001
H31.48603.00012.45512.4551
H41.48603.00012.45512.4551
H51.48603.00012.45512.4551

picture of chlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 Si1 H3 107.464 Cl2 Si1 H4 107.464
Cl2 Si1 H5 107.464 H3 Si1 H4 111.402
H3 Si1 H5 111.402 H4 Si1 H5 111.402
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.730      
2 Cl -0.414      
3 H -0.105      
4 H -0.105      
5 H -0.105      


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 -3.008 3.008
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.791 0.000 0.000
y 0.000 -28.791 0.000
z 0.000 0.000 -28.776
Traceless
 xyz
x -0.008 0.000 0.000
y 0.000 -0.008 0.000
z 0.000 0.000 0.016
Polar
3z2-r20.031
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 3.416 0.000 0.000
y 0.000 3.416 0.000
z 0.000 0.000 6.083


<r2> (average value of r2) Å2
<r2> 68.561
(<r2>)1/2 8.280