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All results from a given calculation for BHF2 (Difluoroborane)

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-225.128860
Energy at 298.15K-225.130108
Nuclear repulsion energy60.306918
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 mPW1PW91/6-31G
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 2808 2658 101.18      
2 A1 1106 1047 107.98      
3 A1 505 478 24.97      
4 B1 920 871 79.11      
5 B2 1402 1327 326.22      
6 B2 1114 1054 1.72      

Unscaled Zero Point Vibrational Energy (zpe) 3927.7 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 3717.9 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 mPW1PW91/6-31G
ABC
2.35970 0.33199 0.29104

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.477
H2 0.000 0.000 1.657
F3 0.000 1.156 -0.225
F4 0.000 -1.156 -0.225

Atom - Atom Distances (Å)
  B1 H2 F3 F4
B11.17971.35251.3525
H21.17972.20862.2086
F31.35252.20862.3120
F41.35252.20862.3120

picture of Difluoroborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 F3 121.274 H2 B1 F4 121.274
F3 B1 F4 117.452
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.657      
2 H -0.041      
3 F -0.308      
4 F -0.308      


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 1.261 1.261
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.199 0.000 0.000
y 0.000 -19.068 0.000
z 0.000 0.000 -15.588
Traceless
 xyz
x 3.129 0.000 0.000
y 0.000 -4.174 0.000
z 0.000 0.000 1.045
Polar
3z2-r22.090
x2-y24.869
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.093 0.000 0.000
y 0.000 2.007 0.000
z 0.000 0.000 1.761


<r2> (average value of r2) Å2
<r2> 39.021
(<r2>)1/2 6.247