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All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-225.102243
Energy at 298.15K-225.103500
Nuclear repulsion energy61.349492
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 PBEPBE/cc-pVTZ
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 2622 2604 94.33      
2 A1 1140 1133 98.22      
3 A1 522 518 18.27      
4 B1 893 887 55.17      
5 B2 1387 1377 342.17      
6 B2 1057 1050 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 3810.4 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 3784.1 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 PBEPBE/cc-pVTZ
ABC
2.44832 0.34323 0.30103

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

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 1.658
F3 0.000 1.137 -0.220
F4 0.000 -1.137 -0.220

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.19751.32481.3248
H21.19752.19502.1950
F31.32482.19502.2739
F41.32482.19502.2739

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 120.885 H2 B1 F4 120.885
F3 B1 F4 118.229
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.347      
2 H -0.040      
3 F -0.153      
4 F -0.153      


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 0.751 0.751
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.656 0.000 0.000
y 0.000 -18.091 0.000
z 0.000 0.000 -16.039
Traceless
 xyz
x 2.409 0.000 0.000
y 0.000 -2.744 0.000
z 0.000 0.000 0.335
Polar
3z2-r20.670
x2-y23.436
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.872 0.000 0.000
y 0.000 2.561 0.000
z 0.000 0.000 2.482


<r2> (average value of r2) Å2
<r2> 38.101
(<r2>)1/2 6.173