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All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-225.247134
Energy at 298.15K-225.248413
Nuclear repulsion energy61.809671
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 mPW1PW91/6-311G*
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 2706 2583 109.57      
2 A1 1161 1108 123.51      
3 A1 540 516 22.20      
4 B1 925 883 79.10      
5 B2 1427 1362 388.85      
6 B2 1084 1034 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 3921.4 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 3742.6 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 mPW1PW91/6-311G*
ABC
2.48793 0.34827 0.30551

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.456
H2 0.000 0.000 1.645
F3 0.000 1.129 -0.218
F4 0.000 -1.129 -0.218

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.18861.31481.3148
H21.18862.17832.1783
F31.31482.17832.2573
F41.31482.17832.2573

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 120.861 H2 B1 F4 120.861
F3 B1 F4 118.277
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.345      
2 H -0.009      
3 F -0.168      
4 F -0.168      


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 0.830 0.830
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.321 0.000 0.000
y 0.000 -18.038 0.000
z 0.000 0.000 -15.797
Traceless
 xyz
x 2.597 0.000 0.000
y 0.000 -2.979 0.000
z 0.000 0.000 0.382
Polar
3z2-r20.764
x2-y23.717
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> 37.559
(<r2>)1/2 6.129