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All results from a given calculation for SiH2Cl2 (dichlorosilane)

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-1211.257082
Energy at 298.15K-1211.259684
HF Energy-1211.257082
Nuclear repulsion energy189.006853
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 B3LYP/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 2263 2184 67.90      
2 A1 949 916 121.80      
3 A1 506 489 49.47      
4 A1 183 176 3.49      
5 A2 705 681 0.00      
6 B1 2282 2203 91.63      
7 B1 590 569 42.15      
8 B2 874 844 275.46      
9 B2 562 543 145.05      

Unscaled Zero Point Vibrational Energy (zpe) 4456.6 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 4302.4 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 B3LYP/TZVP
ABC
0.46008 0.08199 0.07140

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.775
H2 -1.234 0.000 1.584
H3 1.234 0.000 1.584
Cl4 0.000 1.702 -0.412
Cl5 0.000 -1.702 -0.412

Atom - Atom Distances (Å)
  Si1 H2 H3 Cl4 Cl5
Si11.47581.47582.07482.0748
H21.47582.46812.89892.8989
H31.47582.46812.89892.8989
Cl42.07482.89892.89893.4036
Cl52.07482.89892.89893.4036

picture of dichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 H3 113.480 H2 Si1 Cl4 108.284
H2 Si1 Cl5 108.284 H3 Si1 Cl4 108.284
H3 Si1 Cl5 108.284 Cl4 Si1 Cl5 110.216
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.567      
2 H -0.064      
3 H -0.064      
4 Cl -0.220      
5 Cl -0.220      


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 1.619 1.619
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.323 0.000 0.000
y 0.000 -42.412 0.000
z 0.000 0.000 -38.036
Traceless
 xyz
x 0.901 0.000 0.000
y 0.000 -3.732 0.000
z 0.000 0.000 2.831
Polar
3z2-r25.663
x2-y23.089
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.082 0.000 0.000
y 0.000 7.705 0.000
z 0.000 0.000 6.022


<r2> (average value of r2) Å2
<r2> 145.643
(<r2>)1/2 12.068