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All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: PBEPBE/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 PBEPBE/6-311G**
 hartrees
Energy at 0K-225.073837
Energy at 298.15K-225.075091
Nuclear repulsion energy61.234496
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/6-311G**
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 2637 2613 100.33      
2 A1 1122 1111 104.68      
3 A1 522 518 18.38      
4 B1 904 896 57.67      
5 B2 1367 1354 346.15      
6 B2 1054 1044 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 3802.6 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 3768.0 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 PBEPBE/6-311G**
ABC
2.42672 0.34252 0.30016

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.464
H2 0.000 0.000 1.660
F3 0.000 1.138 -0.221
F4 0.000 -1.138 -0.221

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.19641.32811.3281
H21.19642.19852.1985
F31.32812.19852.2762
F41.32812.19852.2762

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 121.028 H2 B1 F4 121.028
F3 B1 F4 117.943
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.327      
2 H -0.077      
3 F -0.125      
4 F -0.125      


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 0.731 0.731
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.564 0.000 0.000
y 0.000 -17.885 0.000
z 0.000 0.000 -15.981
Traceless
 xyz
x 2.369 0.000 0.000
y 0.000 -2.613 0.000
z 0.000 0.000 0.244
Polar
3z2-r20.489
x2-y23.321
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.534 0.000 0.000
y 0.000 2.317 0.000
z 0.000 0.000 2.237


<r2> (average value of r2) Å2
<r2> 38.107
(<r2>)1/2 6.173