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All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: HF/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 HF/6-31G*
 hartrees
Energy at 0K-224.262396
Energy at 298.15K-224.263732
HF Energy-224.262396
Nuclear repulsion energy62.252421
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 HF/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 2867 2576 146.63      
2 A1 1237 1111 150.41      
3 A1 569 512 26.72      
4 B1 1013 910 131.72      
5 B2 1539 1382 455.48      
6 B2 1201 1079 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 4212.8 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 3785.2 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 HF/6-31G*
ABC
2.51661 0.35360 0.31004

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.454
H2 0.000 0.000 1.634
F3 0.000 1.120 -0.217
F4 0.000 -1.120 -0.217

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.18031.30571.3057
H21.18032.16382.1638
F31.30572.16382.2402
F41.30572.16382.2402

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 120.922 H2 B1 F4 120.922
F3 B1 F4 118.156
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.701      
2 H -0.089      
3 F -0.306      
4 F -0.306      


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 0.980 0.980
CHELPG 0.000 0.000 1.014 1.014
AIM 0.000 0.000 -0.334 0.334
ESP 0.000 0.000 1.022 1.022


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.791 0.000 0.000
y 0.000 -18.157 0.004
z 0.000 0.004 -15.663
Traceless
 xyz
x 3.119 0.000 0.000
y 0.000 -3.430 0.004
z 0.000 0.004 0.311
Polar
3z2-r20.621
x2-y24.366
xy0.000
xz0.000
yz0.004


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.223 0.000 0.000
y 0.000 1.743 -0.005
z 0.000 -0.005 1.788


<r2> (average value of r2) Å2
<r2> 37.045
(<r2>)1/2 6.086