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All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-223.946175
Energy at 298.15K-223.947478
Nuclear repulsion energy60.622231
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 B3PW91/3-21G
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 2797 2689 117.18      
2 A1 1195 1148 78.67      
3 A1 535 515 20.80      
4 B1 957 919 70.70      
5 B2 1545 1485 267.92      
6 B2 1176 1130 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 4102.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 3943.0 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 B3PW91/3-21G
ABC
2.34458 0.33733 0.29490

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.479
H2 0.000 0.000 1.664
F3 0.000 1.147 -0.225
F4 0.000 -1.147 -0.225

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.18561.34561.3456
H21.18562.21032.2103
F31.34562.21032.2936
F41.34562.21032.2936

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 121.542 H2 B1 F4 121.542
F3 B1 F4 116.916
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.577      
2 H -0.056      
3 F -0.261      
4 F -0.261      


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 0.914 0.914
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.128 0.000 0.000
y 0.000 -18.236 0.000
z 0.000 0.000 -15.806
Traceless
 xyz
x 2.893 0.000 0.000
y 0.000 -3.269 0.000
z 0.000 0.000 0.376
Polar
3z2-r20.752
x2-y24.108
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> 38.531
(<r2>)1/2 6.207