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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: B97D3/aug-cc-pV(T+d)Z

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/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-589.817846
Energy at 298.15K 
HF Energy-589.817846
Nuclear repulsion energy186.660034
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/aug-cc-pV(T+d)Z
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 2307 2307 64.81 105.87 0.10 0.18
2 A1 807 807 74.70 8.92 0.00 0.00
3 A1 404 404 58.89 0.64 0.49 0.66
4 E 947 947 249.43 0.64 0.75 0.86
4 E 947 947 249.45 0.63 0.75 0.86
5 E 819 819 10.86 4.47 0.75 0.86
5 E 819 819 10.86 4.46 0.75 0.86
6 E 290 290 10.56 0.43 0.75 0.86
6 E 290 290 10.56 0.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3815.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3815.0 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/aug-cc-pV(T+d)Z
ABC
0.23351 0.23351 0.13369

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pV(T+d)Z

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.322
H2 0.000 0.000 1.785
F3 0.000 1.487 -0.233
F4 1.288 -0.744 -0.233
F5 -1.288 -0.744 -0.233

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.46331.58771.58771.5877
H21.46332.50752.50752.5075
F31.58772.50752.57632.5763
F41.58772.50752.57632.5763
F51.58772.50752.57632.5763

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.476 H2 Si1 F4 110.476
H2 Si1 F5 110.476 F3 Si1 F4 108.449
F3 Si1 F5 108.449 F4 Si1 F5 108.449
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.894      
2 H -0.061      
3 F -0.611      
4 F -0.611      
5 F -0.611      


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 1.279 1.279
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.440 0.000 0.000
y 0.000 -29.440 0.000
z 0.000 0.000 -26.064
Traceless
 xyz
x -1.688 0.000 0.000
y 0.000 -1.688 0.000
z 0.000 0.000 3.376
Polar
3z2-r26.752
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 3.789 0.000 0.000
y 0.000 3.789 0.000
z 0.000 0.000 3.852


<r2> (average value of r2) Å2
<r2> 83.528
(<r2>)1/2 9.139