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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: B97D3/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B97D3/3-21G*
 hartrees
Energy at 0K-586.612611
Energy at 298.15K 
HF Energy-586.612611
Nuclear repulsion energy185.867623
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 B97D3/3-21G*
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 2377 2377 111.70 69.38 0.19 0.31
2 A1 865 865 60.32 5.56 0.00 0.00
3 A1 414 414 61.40 1.14 0.74 0.85
4 E 1064 1064 206.87 0.65 0.75 0.86
4 E 1064 1064 206.86 0.65 0.75 0.86
5 E 867 867 21.18 10.67 0.75 0.86
5 E 867 867 21.19 10.67 0.75 0.86
6 E 305 305 11.19 0.72 0.75 0.86
6 E 305 305 11.18 0.72 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4064.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4064.2 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 B97D3/3-21G*
ABC
0.23151 0.23151 0.13334

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.334
H2 0.000 0.000 1.805
F3 0.000 1.489 -0.240
F4 1.290 -0.745 -0.240
F5 -1.290 -0.745 -0.240

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.47091.59601.59601.5960
H21.47092.52942.52942.5294
F31.59602.52942.57962.5796
F41.59602.52942.57962.5796
F51.59602.52942.57962.5796

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 111.062 H2 Si1 F4 111.062
H2 Si1 F5 111.062 F3 Si1 F4 107.835
F3 Si1 F5 107.835 F4 Si1 F5 107.835
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.977      
2 H -0.124      
3 F -0.284      
4 F -0.284      
5 F -0.284      


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 1.237 1.237
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.451 0.000 0.000
y 0.000 -28.451 0.000
z 0.000 0.000 -25.542
Traceless
 xyz
x -1.454 0.000 0.000
y 0.000 -1.454 0.000
z 0.000 0.000 2.909
Polar
3z2-r25.817
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 2.281 0.000 0.000
y 0.000 2.280 0.000
z 0.000 0.000 2.396


<r2> (average value of r2) Å2
<r2> 83.423
(<r2>)1/2 9.134