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All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-225.155994
Energy at 298.15K-225.157277
Nuclear repulsion energy61.627153
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 B3PW91/6-31G*
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 2732 2613 118.98      
2 A1 1177 1126 103.57      
3 A1 539 516 18.53      
4 B1 937 897 74.57      
5 B2 1469 1405 359.34      
6 B2 1120 1071 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 3986.3 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 3813.7 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 B3PW91/6-31G*
ABC
2.47678 0.34606 0.30364

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.457
H2 0.000 0.000 1.649
F3 0.000 1.132 -0.219
F4 0.000 -1.132 -0.219

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.19141.31871.3187
H21.19142.18382.1838
F31.31872.18382.2645
F41.31872.18382.2645

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 120.837 H2 B1 F4 120.837
F3 B1 F4 118.326
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.470     0.681
2 H -0.063     -0.165
3 F -0.203     -0.258
4 F -0.203     -0.258


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 0.694 0.694
CHELPG        
AIM        
ESP 0.000 0.000 0.735 0.735


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.037 0.000 0.000
y 0.000 -17.411 0.000
z 0.000 0.000 -15.591
Traceless
 xyz
x 2.463 0.000 0.000
y 0.000 -2.597 0.000
z 0.000 0.000 0.133
Polar
3z2-r20.267
x2-y23.373
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> 37.494
(<r2>)1/2 6.123