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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-589.359551
Energy at 298.15K 
HF Energy-589.359551
Nuclear repulsion energy181.216959
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 PBEPBEultrafine/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 2269 2256 57.58 94.03 0.18 0.30
2 A1 791 786 62.54 6.23 0.00 0.00
3 A1 374 372 58.43 1.33 0.70 0.82
4 E 951 946 188.45 0.48 0.75 0.86
4 E 951 946 188.44 0.48 0.75 0.86
5 E 768 763 17.55 10.36 0.75 0.86
5 E 768 763 17.55 10.36 0.75 0.86
6 E 266 264 11.03 0.85 0.75 0.86
6 E 266 264 11.03 0.85 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3701.4 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 3679.9 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 PBEPBEultrafine/cc-pVDZ
ABC
0.22005 0.22005 0.12630

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.339
H2 0.000 0.000 1.824
F3 0.000 1.530 -0.243
F4 1.325 -0.765 -0.243
F5 -1.325 -0.765 -0.243

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.48521.63741.63741.6374
H21.48522.57252.57252.5725
F31.63742.57252.65052.6505
F41.63742.57252.65052.6505
F51.63742.57252.65052.6505

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.841 H2 Si1 F4 110.841
H2 Si1 F5 110.841 F3 Si1 F4 108.067
F3 Si1 F5 108.067 F4 Si1 F5 108.067
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.821      
2 H -0.056      
3 F -0.255      
4 F -0.255      
5 F -0.255      


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 1.493 1.493
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.249 0.000 0.000
y 0.000 -29.249 0.000
z 0.000 0.000 -25.614
Traceless
 xyz
x -1.818 0.000 0.000
y 0.000 -1.818 0.000
z 0.000 0.000 3.635
Polar
3z2-r27.271
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 2.977 0.000 0.000
y 0.000 2.977 0.000
z 0.000 0.000 3.077


<r2> (average value of r2) Å2
<r2> 87.279
(<r2>)1/2 9.342