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All results from a given calculation for SiHCl3 (Trichlorosilane)

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-1670.204574
Energy at 298.15K-1670.206128
Nuclear repulsion energy334.576059
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 PBEPBE/cc-pVTZ
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 2225 2210 51.49      
2 A1 473 470 23.48      
3 A1 238 237 6.32      
4 E 760 755 116.54      
4 E 760 755 116.56      
5 E 576 572 129.98      
5 E 576 572 130.00      
6 E 164 163 1.56      
6 E 164 163 1.56      

Unscaled Zero Point Vibrational Energy (zpe) 2967.9 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 2947.5 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 PBEPBE/cc-pVTZ
ABC
0.07962 0.07962 0.04271

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.505
H2 0.000 0.000 1.988
Cl3 0.000 1.940 -0.178
Cl4 1.680 -0.970 -0.178
Cl5 -1.680 -0.970 -0.178

Atom - Atom Distances (Å)
  Si1 H2 Cl3 Cl4 Cl5
Si11.48272.05642.05642.0564
H21.48272.90742.90742.9074
Cl32.05642.90743.35963.3596
Cl42.05642.90743.35963.3596
Cl52.05642.90743.35963.3596

picture of Trichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 Cl3 109.400 H2 Si1 Cl4 109.400
H2 Si1 Cl5 109.400 Cl3 Si1 Cl4 109.543
Cl3 Si1 Cl5 109.543 Cl4 Si1 Cl5 109.543
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.475      
2 H -0.008      
3 Cl -0.156      
4 Cl -0.156      
5 Cl -0.156      


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 0.822 0.822
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.486 0.000 0.000
y 0.000 -51.486 0.000
z 0.000 0.000 -49.610
Traceless
 xyz
x -0.938 0.000 0.000
y 0.000 -0.938 0.000
z 0.000 0.000 1.877
Polar
3z2-r23.754
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 9.651 0.000 0.000
y 0.000 9.651 0.000
z 0.000 0.000 7.292


<r2> (average value of r2) Å2
<r2> 232.782
(<r2>)1/2 15.257