return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: HF/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/cc-pVDZ
 hartrees
Energy at 0K-224.266614
Energy at 298.15K-224.267944
Nuclear repulsion energy61.822117
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/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 2851 2589 137.45      
2 A1 1196 1086 159.93      
3 A1 564 512 27.98      
4 B1 1010 917 119.83      
5 B2 1475 1340 448.14      
6 B2 1156 1050 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 4126.0 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 3746.4 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/cc-pVDZ
ABC
2.46057 0.34972 0.30620

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.460
H2 0.000 0.000 1.648
F3 0.000 1.126 -0.219
F4 0.000 -1.126 -0.219

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.18791.31561.3156
H21.18792.18122.1812
F31.31562.18122.2527
F41.31562.18122.2527

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 121.118 H2 B1 F4 121.118
F3 B1 F4 117.764
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.541 0.929    
2 H -0.128 -0.207    
3 F -0.207 -0.361    
4 F -0.207 -0.361    


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 1.142 1.142
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.062 0.000 0.000
y 0.000 -18.550 0.000
z 0.000 0.000 -15.679
Traceless
 xyz
x 3.052 0.000 0.000
y 0.000 -3.680 0.000
z 0.000 0.000 0.628
Polar
3z2-r21.255
x2-y24.488
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.274 0.000 0.000
y 0.000 1.792 0.000
z 0.000 0.000 1.832


<r2> (average value of r2) Å2
<r2> 37.533
(<r2>)1/2 6.126