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All results from a given calculation for B2F4 (Diboron tetrafluoride)

using model chemistry: TPSSh/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes D2D 1A1

Conformer 1 (D2H)

Jump to S1C2
Vibrational Frequencies calculated at TPSSh/6-31+G**
Rotational Constants (cm-1) from geometry optimized at TPSSh/6-31+G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31+G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (D2D)

Jump to S1C1
Energy calculated at TPSSh/6-31+G**
 hartrees
Energy at 0K-449.307908
Energy at 298.15K-449.308257
HF Energy-449.307908
Nuclear repulsion energy201.517535
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 TPSSh/6-31+G**
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 1381 1329 0.00      
2 A1 656 631 0.00      
3 A1 312 300 0.00      
4 B1 7 7 0.00      
5 B2 1131 1088 342.45      
6 B2 519 499 53.33      
7 E 1332 1282 305.66      
7 E 1332 1282 305.66      
8 E 620 597 36.27      
8 E 620 597 36.27      
9 E 163 157 7.02      
9 E 163 157 7.02      

Unscaled Zero Point Vibrational Energy (zpe) 4117.5 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 3963.1 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 TPSSh/6-31+G**
ABC
0.17221 0.06752 0.06752

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

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.862
B2 0.000 0.000 -0.862
F3 0.000 1.133 1.556
F4 0.000 -1.133 1.556
F5 1.133 0.000 -1.556
F6 -1.133 0.000 -1.556

Atom - Atom Distances (Å)
  B1 B2 F3 F4 F5 F6
B11.72401.32831.32832.66992.6699
B21.72402.66992.66991.32831.3283
F31.32832.66992.26553.49953.4995
F41.32832.66992.26553.49953.4995
F52.66991.32833.49953.49952.2655
F62.66991.32833.49953.49952.2655

picture of Diboron tetrafluoride state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 B2 F5 121.482 B1 B2 F6 121.482
B2 B1 F3 121.482 B2 B1 F4 121.482
F3 B1 F4 117.035 F5 B2 F6 117.035
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.718      
2 B 0.718      
3 F -0.359      
4 F -0.359      
5 F -0.359      
6 F -0.359      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.770 0.000 0.000
y 0.000 3.770 0.000
z 0.000 0.000 4.309


<r2> (average value of r2) Å2
<r2> 161.487
(<r2>)1/2 12.708