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All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-225.220351
Energy at 298.15K-225.221624
Nuclear repulsion energy61.676110
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 B3PW91/6-311G*
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 2693 2593 109.84      
2 A1 1151 1108 121.67      
3 A1 537 517 21.67      
4 B1 920 886 76.90      
5 B2 1414 1362 384.80      
6 B2 1077 1037 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 3896.3 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 3750.9 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 B3PW91/6-311G*
ABC
2.47750 0.34676 0.30419

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

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 1.131 -0.219
F4 0.000 -1.131 -0.219

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.18961.31781.3178
H21.18962.18192.1819
F31.31782.18192.2622
F41.31782.18192.2622

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 120.873 H2 B1 F4 120.873
F3 B1 F4 118.254
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.346      
2 H -0.011      
3 F -0.167      
4 F -0.167      


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 0.821 0.821
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.339 0.000 0.000
y 0.000 -18.042 0.000
z 0.000 0.000 -15.816
Traceless
 xyz
x 2.590 0.000 0.000
y 0.000 -2.965 0.000
z 0.000 0.000 0.375
Polar
3z2-r20.750
x2-y23.704
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 37.685
(<r2>)1/2 6.139