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All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: B3LYP/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-225.262303
Energy at 298.15K-225.263601
Nuclear repulsion energy62.029649
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(2df,p)
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 2697 2602 96.22      
2 A1 1190 1149 95.65      
3 A1 546 527 18.24      
4 B1 947 913 68.63      
5 B2 1468 1416 326.48      
6 B2 1116 1077 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 3981.5 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 3842.1 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(2df,p)
ABC
2.50519 0.35077 0.30769

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.454
H2 0.000 0.000 1.642
F3 0.000 1.125 -0.217
F4 0.000 -1.125 -0.217

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.18801.30971.3097
H21.18802.17302.1730
F31.30972.17302.2493
F41.30972.17302.2493

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 120.832 H2 B1 F4 120.832
F3 B1 F4 118.335
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.030      
2 H -0.079      
3 F 0.054      
4 F 0.054      


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 0.670 0.670
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.108 0.000 0.000
y 0.000 -17.506 0.000
z 0.000 0.000 -15.707
Traceless
 xyz
x 2.499 0.000 0.000
y 0.000 -2.598 0.000
z 0.000 0.000 0.099
Polar
3z2-r20.199
x2-y23.398
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.642 0.000 0.000
y 0.000 2.230 0.000
z 0.000 0.000 2.200


<r2> (average value of r2) Å2
<r2> 37.195
(<r2>)1/2 6.099