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All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: HF/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/aug-cc-pVDZ
 hartrees
Energy at 0K-224.281334
Energy at 298.15K-224.282647
Nuclear repulsion energy61.712469
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 HF/aug-cc-pVDZ
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 2835 2581 108.71      
2 A1 1183 1077 153.80      
3 A1 540 492 25.83      
4 B1 1003 913 98.84      
5 B2 1444 1315 441.61      
6 B2 1159 1055 4.16      

Unscaled Zero Point Vibrational Energy (zpe) 4082.1 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 3717.2 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 HF/aug-cc-pVDZ
ABC
2.44033 0.34903 0.30536

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVDZ

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 1.650
F3 0.000 1.127 -0.221
F4 0.000 -1.127 -0.221

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.18581.31891.3189
H21.18582.18372.1837
F31.31892.18372.2549
F41.31892.18372.2549

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 121.260 H2 B1 F4 121.260
F3 B1 F4 117.479
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.927 0.000    
2 H 0.111 0.000    
3 F -0.519 0.000    
4 F -0.519 0.000    


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 1.199 1.199
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.318 0.000 0.000
y 0.000 -18.811 0.000
z 0.000 0.000 -15.766
Traceless
 xyz
x 2.971 0.000 0.000
y 0.000 -3.770 0.000
z 0.000 0.000 0.799
Polar
3z2-r21.597
x2-y24.494
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.809 0.000 0.000
y 0.000 2.257 0.000
z 0.000 0.000 2.238


<r2> (average value of r2) Å2
<r2> 37.732
(<r2>)1/2 6.143