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All results from a given calculation for HSiF (fluorosilylene)

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-389.174559
Energy at 298.15K 
HF Energy-388.931483
Nuclear repulsion energy47.846854
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 MP2/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 2092 1973 449.08 192.59 0.52 0.68
2 A' 917 865 155.19 23.10 0.75 0.86
3 A' 881 830 52.62 12.25 0.63 0.78

Unscaled Zero Point Vibrational Energy (zpe) 1944.9 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 1834.1 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 MP2/6-31G*
ABC
7.62384 0.54889 0.51203

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.063 -0.601 0.000
F2 0.063 1.025 0.000
H3 -1.454 -0.807 0.000

Atom - Atom Distances (Å)
  Si1 F2 H3
Si11.62611.5306
F21.62612.3780
H31.53062.3780

picture of fluorosilylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 97.714
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability