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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pVDZ
 hartrees
Energy at 0K-589.431577
Energy at 298.15K 
HF Energy-589.431577
Nuclear repulsion energy183.045958
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 HSEh1PBE/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 2351 2261 56.05 86.87 0.17 0.29
2 A1 825 793 73.73 4.83 0.00 0.00
3 A1 389 374 71.95 1.11 0.71 0.83
4 E 984 947 214.58 0.39 0.75 0.86
4 E 984 947 214.56 0.39 0.75 0.86
5 E 802 771 23.58 9.33 0.75 0.86
5 E 802 771 23.58 9.33 0.75 0.86
6 E 276 266 13.46 0.71 0.75 0.86
6 E 276 266 13.46 0.71 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3844.5 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 3698.0 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 HSEh1PBE/cc-pVDZ
ABC
0.22451 0.22451 0.12902

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.338
H2 0.000 0.000 1.810
F3 0.000 1.514 -0.242
F4 1.311 -0.757 -0.242
F5 -1.311 -0.757 -0.242

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.47221.62131.62131.6213
H21.47222.55012.55012.5501
F31.62132.55012.62252.6225
F41.62132.55012.62252.6225
F51.62132.55012.62252.6225

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.952 H2 Si1 F4 110.952
H2 Si1 F5 110.952 F3 Si1 F4 107.951
F3 Si1 F5 107.951 F4 Si1 F5 107.951
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.965      
2 H -0.066      
3 F -0.300      
4 F -0.300      
5 F -0.300      


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 1.645 1.645
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.442 0.000 0.000
y 0.000 -29.442 0.000
z 0.000 0.000 -25.439
Traceless
 xyz
x -2.002 0.000 0.000
y 0.000 -2.002 0.000
z 0.000 0.000 4.004
Polar
3z2-r28.007
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 2.759 0.000 0.000
y 0.000 2.759 0.000
z 0.000 0.000 2.855


<r2> (average value of r2) Å2
<r2> 85.906
(<r2>)1/2 9.269