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All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: HF/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/daug-cc-pVTZ
 hartrees
Energy at 0K-224.357387
Energy at 298.15K-224.358728
HF Energy-224.357387
Nuclear repulsion energy62.515350
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 HF/daug-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 2793 2527 123.96      
2 A1 1241 1123 153.81      
3 A1 576 521 27.16      
4 B1 1001 905 104.85      
5 B2 1509 1365 449.27      
6 B2 1182 1069 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 4151.2 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 3755.2 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 HF/daug-cc-pVTZ
ABC
2.52386 0.35722 0.31293

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.453
H2 0.000 0.000 1.634
F3 0.000 1.114 -0.217
F4 0.000 -1.114 -0.217

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.18161.30001.3000
H21.18162.16052.1605
F31.30002.16052.2289
F41.30002.16052.2289

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 120.987 H2 B1 F4 120.987
F3 B1 F4 118.026
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 1.343      
2 H -0.020      
3 F -0.661      
4 F -0.661      


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 1.081 1.081
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.129 0.000 0.000
y 0.000 -18.659 0.000
z 0.000 0.000 -15.758
Traceless
 xyz
x 3.080 0.000 0.000
y 0.000 -3.716 0.000
z 0.000 0.000 0.636
Polar
3z2-r21.272
x2-y24.530
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.873 0.000 0.000
y 0.000 2.260 0.000
z 0.000 0.000 2.251


<r2> (average value of r2) Å2
<r2> 37.003
(<r2>)1/2 6.083