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All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: mPW1PW91/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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-225.210829
Energy at 298.15K-225.212086
Nuclear repulsion energy61.250084
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 mPW1PW91/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 2733 2619 82.87      
2 A1 1134 1087 116.33      
3 A1 510 488 20.06      
4 B1 924 885 61.23      
5 B2 1379 1321 392.09      
6 B2 1073 1028 1.11      

Unscaled Zero Point Vibrational Energy (zpe) 3876.1 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 3714.4 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 mPW1PW91/aug-cc-pVDZ
ABC
2.41161 0.34347 0.30065

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.467
H2 0.000 0.000 1.660
F3 0.000 1.137 -0.222
F4 0.000 -1.137 -0.222

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.19291.32881.3288
H21.19292.19802.1980
F31.32882.19802.2731
F41.32882.19802.2731

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 121.206 H2 B1 F4 121.206
F3 B1 F4 117.589
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.396      
2 H 0.345      
3 F -0.370      
4 F -0.370      


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 1.000 1.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.646 0.000 0.000
y 0.000 -18.416 0.000
z 0.000 0.000 -15.837
Traceless
 xyz
x 2.480 0.000 0.000
y 0.000 -3.174 0.000
z 0.000 0.000 0.694
Polar
3z2-r21.388
x2-y23.769
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.016 0.000 0.000
y 0.000 2.660 0.000
z 0.000 0.000 2.554


<r2> (average value of r2) Å2
<r2> 38.160
(<r2>)1/2 6.177