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All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: wB97X-D/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/6-31G*
 hartrees
Energy at 0K-225.180151
Energy at 298.15K-225.181434
HF Energy-225.180151
Nuclear repulsion energy 
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 wB97X-D/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 A1 2718 2578 124.69      
2 A1 1175 1115 110.91      
3 A1 539 511 19.58      
4 B1 935 887 81.99      
5 B2 1468 1393 374.90      
6 B2 1120 1062 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 3977.6 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 3772.7 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 wB97X-D/6-31G*
ABC
2.47958 0.34612 0.30373

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.455
H2 0.000 0.000 1.647
F3 0.000 1.132 -0.218
F4 0.000 -1.132 -0.218

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.19181.31651.3165
H21.19182.18122.1812
F31.31652.18122.2630
F41.31652.18122.2630

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 120.742 H2 B1 F4 120.742
F3 B1 F4 118.516
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.493      
2 H -0.063      
3 F -0.215      
4 F -0.215      


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 0.744 0.744
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.005 0.000 0.000
y 0.000 -17.542 0.000
z 0.000 0.000 -15.592
Traceless
 xyz
x 2.562 0.000 0.000
y 0.000 -2.743 0.000
z 0.000 0.000 0.182
Polar
3z2-r20.363
x2-y23.537
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.346 0.000 0.000
y 0.000 2.011 0.000
z 0.000 0.000 1.968


<r2> (average value of r2) Å2
<r2> 37.506
(<r2>)1/2 6.124