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All results from a given calculation for HSiF (fluorosilylene)

using model chemistry: PBEPBEultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-389.694415
Energy at 298.15K 
HF Energy-389.694415
Nuclear repulsion energy46.252934
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/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 A' 1890 1879 366.65 254.30 0.36 0.53
2 A' 805 800 50.72 16.09 0.55 0.71
3 A' 757 752 110.03 10.35 0.61 0.76

Unscaled Zero Point Vibrational Energy (zpe) 1725.7 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 1715.2 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/aug-cc-pVDZ
ABC
7.16480 0.51260 0.47838

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.065 -0.626 0.000
F2 0.065 1.060 0.000
H3 -1.497 -0.771 0.000

Atom - Atom Distances (Å)
  Si1 F2 H3
Si11.68591.5684
F21.68592.4066
H31.56842.4066

picture of fluorosilylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 95.314
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.292      
2 F -0.424      
3 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.160 -1.248 0.000 1.258
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.933 0.640 0.000
y 0.640 -20.402 0.000
z 0.000 0.000 -16.478
Traceless
 xyz
x -2.492 0.640 0.000
y 0.640 -1.697 0.000
z 0.000 0.000 4.189
Polar
3z2-r28.378
x2-y2-0.530
xy0.640
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.734 0.102 0.000
y 0.102 4.902 0.000
z 0.000 0.000 4.398


<r2> (average value of r2) Å2
<r2> 30.564
(<r2>)1/2 5.529