return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-221.959713
Energy at 298.15K-221.960905
Nuclear repulsion energy60.815570
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 BLYP/STO-3G
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 2884 2668 32.89      
2 A1 1196 1107 26.15      
3 A1 538 498 9.22      
4 B1 890 824 36.21      
5 B2 1561 1445 150.80      
6 B2 1186 1097 3.40      

Unscaled Zero Point Vibrational Energy (zpe) 4127.8 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 3819.0 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 BLYP/STO-3G
ABC
2.43303 0.33610 0.29531

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

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 1.654
F3 0.000 1.149 -0.221
F4 0.000 -1.149 -0.221

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.19051.33751.3375
H21.19052.19922.1992
F31.33752.19922.2978
F41.33752.19922.2978

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 120.794 H2 B1 F4 120.794
F3 B1 F4 118.411
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.238      
2 H -0.072      
3 F -0.083      
4 F -0.083      


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 -0.343 0.343
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.751 0.000 0.000
y 0.000 -14.644 0.000
z 0.000 0.000 -14.701
Traceless
 xyz
x 1.921 0.000 0.000
y 0.000 -0.918 0.000
z 0.000 0.000 -1.003
Polar
3z2-r2-2.006
x2-y21.893
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.505 0.000 0.000
y 0.000 1.394 0.000
z 0.000 0.000 1.001


<r2> (average value of r2) Å2
<r2> 37.216
(<r2>)1/2 6.100