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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: B3LYP/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-589.972710
Energy at 298.15K 
HF Energy-589.972710
Nuclear repulsion energy187.400868
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/6-311+G(3df,2p)
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 2371 2293 58.59 96.64 0.10 0.19
2 A1 828 801 78.50 6.87 0.00 0.01
3 A1 413 399 65.19 0.60 0.56 0.72
4 E 971 939 255.20 0.60 0.75 0.86
4 E 971 939 255.16 0.60 0.75 0.86
5 E 829 802 15.54 4.77 0.75 0.86
5 E 829 802 15.54 4.77 0.75 0.86
6 E 297 287 11.53 0.45 0.75 0.86
6 E 297 287 11.53 0.45 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3902.6 cm-1
Scaled (by 0.967) Zero Point Vibrational Energy (zpe) 3773.8 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/6-311+G(3df,2p)
ABC
0.23536 0.23536 0.13486

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.323
H2 0.000 0.000 1.777
F3 0.000 1.481 -0.233
F4 1.283 -0.740 -0.233
F5 -1.283 -0.740 -0.233

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.45461.58181.58181.5818
H21.45462.49702.49702.4970
F31.58182.49702.56512.5651
F41.58182.49702.56512.5651
F51.58182.49702.56512.5651

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.573 H2 Si1 F4 110.573
H2 Si1 F5 110.573 F3 Si1 F4 108.348
F3 Si1 F5 108.348 F4 Si1 F5 108.348
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.285      
2 H -0.058      
3 F -0.409      
4 F -0.409      
5 F -0.409      


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 1.386 1.386
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.603 0.000 0.000
y 0.000 -29.603 0.000
z 0.000 0.000 -26.090
Traceless
 xyz
x -1.756 0.000 0.000
y 0.000 -1.756 0.000
z 0.000 0.000 3.513
Polar
3z2-r27.026
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 3.501 0.000 0.000
y 0.000 3.501 0.000
z 0.000 0.000 3.561


<r2> (average value of r2) Å2
<r2> 83.059
(<r2>)1/2 9.114