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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: B3LYP/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYP/aug-cc-pVQZ
 hartrees
Energy at 0K-590.015837
Energy at 298.15K 
HF Energy-590.015837
Nuclear repulsion energy187.583061
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/aug-cc-pVQZ
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 2366 2293 58.89 101.15 0.09 0.17
2 A1 837 811 79.77 7.96 0.00 0.00
3 A1 413 400 66.33 0.54 0.53 0.69
4 E 978 948 255.76 0.58 0.75 0.86
4 E 978 948 255.73 0.58 0.75 0.86
5 E 835 809 16.56 4.17 0.75 0.86
5 E 835 809 16.57 4.17 0.75 0.86
6 E 296 287 11.81 0.37 0.75 0.86
6 E 296 287 11.80 0.37 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3918.1 cm-1
Scaled (by 0.9689) Zero Point Vibrational Energy (zpe) 3796.3 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/aug-cc-pVQZ
ABC
0.23582 0.23582 0.13534

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVQZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.325
H2 0.000 0.000 1.781
F3 0.000 1.478 -0.234
F4 1.280 -0.739 -0.234
F5 -1.280 -0.739 -0.234

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.45601.58051.58051.5805
H21.45602.49932.49932.4993
F31.58052.49932.56052.5605
F41.58052.49932.56052.5605
F51.58052.49932.56052.5605

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.722 H2 Si1 F4 110.722
H2 Si1 F5 110.722 F3 Si1 F4 108.192
F3 Si1 F5 108.192 F4 Si1 F5 108.192
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.964      
2 H -0.105      
3 F -0.619      
4 F -0.619      
5 F -0.619      


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 1.410 1.410
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.638 0.000 0.000
y 0.000 -29.638 0.000
z 0.000 0.000 -26.064
Traceless
 xyz
x -1.787 0.000 0.000
y 0.000 -1.787 0.000
z 0.000 0.000 3.574
Polar
3z2-r27.148
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 3.629 0.000 0.000
y 0.000 3.629 0.000
z 0.000 0.000 3.696


<r2> (average value of r2) Å2
<r2> 82.904
(<r2>)1/2 9.105