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

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
1 2 no D2D 1A1

Conformer 1 (D2H)

Jump to S1C2
Energy calculated at G4
 hartrees
Energy at 0K-449.199368
Energy at 298.15K-449.193289
Nuclear repulsion energy 
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/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 1403 1354 0.00      
2 Ag 677 654 0.00      
3 Ag 321 310 0.00      
4 Au 5 5 0.00      
5 B1u 1186 1145 285.41      
6 B1u 544 525 51.01      
7 B2g 708 683 0.00      
8 B2u 1426 1377 503.51      
9 B2u 126 122 1.69      
10 B3g 1418 1369 0.00      
11 B3g 383 369 0.00      
12 B3u 361 348 38.14      

Unscaled Zero Point Vibrational Energy (zpe) 4279.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 4130.0 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/6-31G(2df,p)
ABC
0.17686 0.08500 0.05741

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is D2h

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 1.120 1.547
F4 0.000 -1.120 1.547
F5 0.000 1.120 -1.547
F6 0.000 -1.120 -1.547

Atom - Atom Distances (Å)
  B1 B2 F3 F4 F5 F6
B11.72471.31281.31282.65722.6572
B21.72472.65722.65721.31281.3128
F31.31282.65722.23993.09473.8202
F41.31282.65722.23993.82023.0947
F52.65721.31283.09473.82022.2399
F62.65721.31283.82023.09472.2399

picture of Diboron tetrafluoride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.130      
2 B -0.130      
3 F 0.065      
4 F 0.065      
5 F 0.065      
6 F 0.065      


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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 158.133
(<r2>)1/2 12.575

Conformer 2 (D2D)

Jump to S1C1
Energy calculated at G4
 hartrees
Energy at 0K-449.199368
Energy at 298.15K-449.193289
HF Energy-449.325654
Nuclear repulsion energy203.537875
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/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at B3LYP/6-31G(2df,p)
ABC
0.17686 0.08500 0.05741

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is D2h

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability