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All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: LSDA/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 LSDA/6-31G(2df,p)
 hartrees
Energy at 0K-224.178426
Energy at 298.15K-224.179703
Nuclear repulsion energy62.332622
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 LSDA/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 2628 2586 77.61      
2 A1 1201 1182 82.23      
3 A1 539 531 16.66      
4 B1 901 887 50.90      
5 B2 1487 1463 286.00      
6 B2 1060 1043 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 3908.3 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 3845.8 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 LSDA/6-31G(2df,p)
ABC
2.48944 0.35599 0.31145

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.453
H2 0.000 0.000 1.654
F3 0.000 1.116 -0.218
F4 0.000 -1.116 -0.218

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.20091.30261.3026
H21.20092.17972.1797
F31.30262.17972.2327
F41.30262.17972.2327

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 121.016 H2 B1 F4 121.016
F3 B1 F4 117.968
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.190      
2 H -0.055      
3 F 0.122      
4 F 0.122      


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 0.556 0.556
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.318 0.000 0.000
y 0.000 -17.219 0.000
z 0.000 0.000 -15.705
Traceless
 xyz
x 2.144 0.000 0.000
y 0.000 -2.207 0.000
z 0.000 0.000 0.064
Polar
3z2-r20.127
x2-y22.901
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.708 0.000 0.000
y 0.000 2.330 0.000
z 0.000 0.000 2.305


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000