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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: BLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-589.928217
Energy at 298.15K 
HF Energy-589.928217
Nuclear repulsion energy184.803898
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 BLYP/cc-pVTZ
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 2301 2294 64.08 95.23 0.13 0.23
2 A1 799 796 71.51 6.51 0.00 0.00
3 A1 396 395 57.82 0.88 0.64 0.78
4 E 942 939 227.82 0.40 0.75 0.86
4 E 942 939 227.79 0.41 0.75 0.86
5 E 803 801 14.33 7.04 0.75 0.86
5 E 803 801 14.33 7.03 0.75 0.86
6 E 283 283 10.10 0.59 0.75 0.86
6 E 283 283 10.10 0.59 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3776.6 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 3765.3 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 BLYP/cc-pVTZ
ABC
0.22887 0.22887 0.13121

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.329
H2 0.000 0.000 1.797
F3 0.000 1.501 -0.237
F4 1.300 -0.751 -0.237
F5 -1.300 -0.751 -0.237

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.46761.60471.60471.6047
H21.46762.52812.52812.5281
F31.60472.52812.60052.6005
F41.60472.52812.60052.6005
F51.60472.52812.60052.6005

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.667 H2 Si1 F4 110.667
H2 Si1 F5 110.667 F3 Si1 F4 108.250
F3 Si1 F5 108.250 F4 Si1 F5 108.250
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.799      
2 H -0.054      
3 F -0.248      
4 F -0.248      
5 F -0.248      


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 1.311 1.311
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.412 0.000 0.000
y 0.000 -29.412 0.000
z 0.000 0.000 -26.187
Traceless
 xyz
x -1.613 0.000 0.000
y 0.000 -1.613 0.000
z 0.000 0.000 3.225
Polar
3z2-r26.451
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 3.310 0.000 0.000
y 0.000 3.310 0.000
z 0.000 0.000 3.437


<r2> (average value of r2) Å2
<r2> 84.825
(<r2>)1/2 9.210