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All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: B1B95/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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-225.211340
Energy at 298.15K-225.212596
Nuclear repulsion energy 
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 B1B95/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 2737 2622 75.56      
2 A1 1138 1090 117.29      
3 A1 510 489 20.16      
4 B1 919 881 61.20      
5 B2 1379 1321 397.24      
6 B2 1069 1024 0.93      

Unscaled Zero Point Vibrational Energy (zpe) 3875.9 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 3712.8 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 B1B95/aug-cc-pVDZ
ABC
2.40800 0.34477 0.30159

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.468
H2 0.000 0.000 1.659
F3 0.000 1.134 -0.222
F4 0.000 -1.134 -0.222

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.19111.32751.3275
H21.19112.19632.1963
F31.32752.19632.2688
F41.32752.19632.2688

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 121.296 H2 B1 F4 121.296
F3 B1 F4 117.407
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.337      
2 H 0.392      
3 F -0.365      
4 F -0.365      


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 0.993 0.993
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.639 0.000 0.000
y 0.000 -18.371 0.000
z 0.000 0.000 -15.841
Traceless
 xyz
x 2.467 0.000 0.000
y 0.000 -3.131 0.000
z 0.000 0.000 0.664
Polar
3z2-r21.328
x2-y23.733
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.015 0.000 0.000
y 0.000 2.656 0.000
z 0.000 0.000 2.534


<r2> (average value of r2) Å2
<r2> 38.065
(<r2>)1/2 6.170