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All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-223.825131
Energy at 298.15K-223.826437
HF Energy-223.825131
Nuclear repulsion energy60.705134
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 HSEh1PBE/3-21G
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 2809 2706 114.06      
2 A1 1203 1158 79.71      
3 A1 537 517 21.23      
4 B1 959 923 72.26      
5 B2 1555 1498 269.07      
6 B2 1180 1136 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 4120.4 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 3969.1 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 HSEh1PBE/3-21G
ABC
2.34871 0.33837 0.29576

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.478
H2 0.000 0.000 1.663
F3 0.000 1.145 -0.225
F4 0.000 -1.145 -0.225

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.18521.34371.3437
H21.18522.20842.2084
F31.34372.20842.2901
F41.34372.20842.2901

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 121.553 H2 B1 F4 121.553
F3 B1 F4 116.893
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.579      
2 H -0.051      
3 F -0.264      
4 F -0.264      


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 0.940 0.940
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.146 0.000 0.000
y 0.000 -18.283 0.000
z 0.000 0.000 -15.800
Traceless
 xyz
x 2.896 0.000 0.000
y 0.000 -3.310 0.000
z 0.000 0.000 0.414
Polar
3z2-r20.828
x2-y24.137
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.050 0.000 0.000
y 0.000 1.841 0.000
z 0.000 0.000 1.652


<r2> (average value of r2) Å2
<r2> 38.463
(<r2>)1/2 6.202