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All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-51.834224
Energy at 298.15K-51.835445
Nuclear repulsion energy32.242275
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 B3LYP/CEP-121G
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 2725 2655 90.62      
2 A1 1057 1030 127.29      
3 A1 494 481 27.13      
4 B1 899 876 67.81      
5 B2 1303 1270 392.46      
6 B2 1033 1007 0.68      

Unscaled Zero Point Vibrational Energy (zpe) 3755.4 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 3659.6 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 B3LYP/CEP-121G
ABC
2.33191 0.33045 0.28943

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.483
H2 0.000 0.000 1.671
F3 0.000 1.159 -0.223
F4 0.000 -1.159 -0.223

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.18761.35691.3569
H21.18762.22012.2201
F31.35692.22012.3174
F41.35692.22012.3174

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 121.359 H2 B1 F4 121.359
F3 B1 F4 117.283
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.368      
2 H 0.019      
3 F -0.194      
4 F -0.194      


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 1.449 1.449
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.601 0.000 0.000
y 0.000 -19.901 0.000
z 0.000 0.000 -15.683
Traceless
 xyz
x 3.191 0.000 0.000
y 0.000 -4.758 0.000
z 0.000 0.000 1.568
Polar
3z2-r23.136
x2-y25.299
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.288 0.000 0.000
y 0.000 2.246 0.000
z 0.000 0.000 1.967


<r2> (average value of r2) Å2
<r2> 33.432
(<r2>)1/2 5.782