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All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: PBE1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-225.014441
Energy at 298.15K-225.015728
HF Energy-225.014441
Nuclear repulsion energy61.741639
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 PBE1PBE/6-31G*
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 2740 2603 115.78      
2 A1 1186 1128 104.78      
3 A1 541 514 18.96      
4 B1 939 892 75.79      
5 B2 1481 1408 361.61      
6 B2 1121 1065 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 4003.8 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 3804.8 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 PBE1PBE/6-31G*
ABC
2.48202 0.34752 0.30484

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.456
H2 0.000 0.000 1.648
F3 0.000 1.130 -0.218
F4 0.000 -1.130 -0.218

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.19211.31601.3160
H21.19212.18212.1821
F31.31602.18212.2598
F41.31602.18212.2598

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 120.846 H2 B1 F4 120.846
F3 B1 F4 118.309
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.466      
2 H -0.059      
3 F -0.203      
4 F -0.203      


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 0.698 0.698
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.057 0.000 0.000
y 0.000 -17.422 0.000
z 0.000 0.000 -15.596
Traceless
 xyz
x 2.452 0.000 0.000
y 0.000 -2.595 0.000
z 0.000 0.000 0.143
Polar
3z2-r20.286
x2-y23.365
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.359 0.000 0.000
y 0.000 2.030 0.000
z 0.000 0.000 1.972


<r2> (average value of r2) Å2
<r2> 37.397
(<r2>)1/2 6.115