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All results from a given calculation for SiH3Cl (chlorosilane)

using model chemistry: mPW1PW91/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at mPW1PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-751.591782
Energy at 298.15K 
HF Energy-751.591782
Nuclear repulsion energy86.357912
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 mPW1PW91/6-311+G(3df,2p)
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 2254 2254 52.60 278.97 0.01 0.02
2 A1 945 945 236.96 2.64 0.46 0.63
3 A1 550 550 69.19 10.35 0.14 0.24
4 E 2267 2267 90.42 71.12 0.75 0.86
4 E 2267 2267 90.44 71.12 0.75 0.86
5 E 952 952 51.96 8.71 0.75 0.86
5 E 952 952 51.96 8.70 0.75 0.86
6 E 658 658 22.49 3.27 0.75 0.86
6 E 658 658 22.50 3.27 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5751.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5751.2 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 mPW1PW91/6-311+G(3df,2p)
ABC
2.83777 0.22174 0.22174

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 -0.986
Cl2 0.000 0.000 1.068
H3 0.000 1.402 -1.454
H4 1.214 -0.701 -1.454
H5 -1.214 -0.701 -1.454

Atom - Atom Distances (Å)
  Si1 Cl2 H3 H4 H5
Si12.05421.47781.47781.4778
Cl22.05422.88552.88552.8855
H31.47782.88552.42782.4278
H41.47782.88552.42782.4278
H51.47782.88552.42782.4278

picture of chlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 Si1 H3 108.463 Cl2 Si1 H4 108.463
Cl2 Si1 H5 108.463 H3 Si1 H4 110.460
H3 Si1 H5 110.460 H4 Si1 H5 110.460
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.497      
2 Cl -0.360      
3 H -0.045      
4 H -0.045      
5 H -0.045      


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 -1.296 1.296
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.802 0.000 0.000
y 0.000 -27.802 0.000
z 0.000 0.000 -26.924
Traceless
 xyz
x -0.439 0.000 0.000
y 0.000 -0.439 0.000
z 0.000 0.000 0.879
Polar
3z2-r21.757
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 5.591 0.000 0.000
y 0.000 5.591 0.000
z 0.000 0.000 7.155


<r2> (average value of r2) Å2
<r2> 62.426
(<r2>)1/2 7.901