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All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: PBEPBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/6-31+G**
 hartrees
Energy at 0K-225.024621
Energy at 298.15K-225.025854
Nuclear repulsion energy60.950342
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 PBEPBE/6-31+G**
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 2662 2632 94.10      
2 A1 1116 1103 106.88      
3 A1 510 504 19.24      
4 B1 882 872 59.78      
5 B2 1356 1341 400.13      
6 B2 1045 1033 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 3785.7 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 3742.6 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 PBEPBE/6-31+G**
ABC
2.41742 0.33876 0.29712

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.465
H2 0.000 0.000 1.663
F3 0.000 1.144 -0.221
F4 0.000 -1.144 -0.221

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.19781.33431.3343
H21.19782.20432.2043
F31.33432.20432.2888
F41.33432.20432.2888

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 120.945 H2 B1 F4 120.945
F3 B1 F4 118.111
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.624      
2 H -0.018      
3 F -0.303      
4 F -0.303      


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 0.931 0.931
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.803 0.000 0.000
y 0.000 -18.634 0.000
z 0.000 0.000 -16.086
Traceless
 xyz
x 2.558 0.000 0.000
y 0.000 -3.190 0.000
z 0.000 0.000 0.632
Polar
3z2-r21.264
x2-y23.832
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.780 0.000 0.000
y 0.000 2.748 0.000
z 0.000 0.000 2.517


<r2> (average value of r2) Å2
<r2> 38.611
(<r2>)1/2 6.214