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All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-225.245303
Energy at 298.15K-225.246589
Nuclear repulsion energy61.590749
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 B3LYP/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 2736 2627 116.17      
2 A1 1175 1129 101.40      
3 A1 540 519 18.19      
4 B1 943 905 74.25      
5 B2 1467 1409 354.93      
6 B2 1128 1083 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 3994.6 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 3836.0 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 B3LYP/6-31G*
ABC
2.47653 0.34554 0.30323

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.458
H2 0.000 0.000 1.647
F3 0.000 1.133 -0.219
F4 0.000 -1.133 -0.219

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.18951.31971.3197
H21.18952.18302.1830
F31.31972.18302.2662
F41.31972.18302.2662

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 120.836 H2 B1 F4 120.836
F3 B1 F4 118.327
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.466 0.730   0.688
2 H -0.068 -0.184   -0.168
3 F -0.199 -0.273   -0.260
4 F -0.199 -0.273   -0.260


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 0.689 0.689
CHELPG 0.000 0.000 0.722 0.722
AIM        
ESP 0.000 0.000 0.730 0.730


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.064 0.000 0.000
y 0.000 -17.448 0.000
z 0.000 0.000 -15.660
Traceless
 xyz
x 2.490 0.000 0.000
y 0.000 -2.586 0.000
z 0.000 0.000 0.096
Polar
3z2-r20.192
x2-y23.384
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.354 0.000 0.000
y 0.000 2.043 0.000
z 0.000 0.000 1.971


<r2> (average value of r2) Å2
<r2> 37.554
(<r2>)1/2 6.128