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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: B3LYPultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-589.856242
Energy at 298.15K 
HF Energy-589.856242
Nuclear repulsion energy183.176338
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 B3LYPultrafine/aug-cc-pVDZ
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 2348 2278 41.66 109.00 0.10 0.19
2 A1 799 775 80.08 9.26 0.00 0.00
3 A1 382 371 63.02 0.77 0.53 0.69
4 E 935 907 247.15 0.87 0.75 0.86
4 E 935 907 247.16 0.87 0.75 0.86
5 E 803 780 14.67 5.13 0.75 0.86
5 E 803 780 14.67 5.13 0.75 0.86
6 E 268 260 11.91 0.51 0.75 0.86
6 E 268 260 11.91 0.51 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3770.6 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 3658.9 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 B3LYPultrafine/aug-cc-pVDZ
ABC
0.22482 0.22482 0.12942

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.341
H2 0.000 0.000 1.808
F3 0.000 1.512 -0.244
F4 1.309 -0.756 -0.244
F5 -1.309 -0.756 -0.244

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.46751.62081.62081.6208
H21.46752.54872.54872.5487
F31.62082.54872.61852.6185
F41.62082.54872.61852.6185
F51.62082.54872.61852.6185

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 111.136 H2 Si1 F4 111.136
H2 Si1 F5 111.136 F3 Si1 F4 107.756
F3 Si1 F5 107.756 F4 Si1 F5 107.756
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.402      
2 H 0.321      
3 F -0.574      
4 F -0.574      
5 F -0.574      


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 1.740 1.740
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.192 0.000 0.000
y 0.000 -30.192 0.000
z 0.000 0.000 -26.051
Traceless
 xyz
x -2.071 0.000 0.000
y 0.000 -2.071 0.000
z 0.000 0.000 4.141
Polar
3z2-r28.282
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 3.715 0.000 0.000
y 0.000 3.715 0.000
z 0.000 0.000 3.754


<r2> (average value of r2) Å2
<r2> 86.201
(<r2>)1/2 9.284