return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at B3LYP/6-31G
 hartrees
Energy at 0K-449.190624
Energy at 298.15K-449.190999
Nuclear repulsion energy200.239052
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
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 1373 1321 0.00      
2 Ag 646 621 0.00      
3 Ag 310 298 0.00      
4 Au 18 18 0.00      
5 B1u 1106 1064 281.93      
6 B1u 505 486 55.91      
7 B2g 668 642 0.00      
8 B2u 1350 1298 459.93      
9 B2u 136 130 3.47      
10 B3g 1348 1297 0.00      
11 B3g 371 357 0.00      
12 B3u 344 331 61.14      

Unscaled Zero Point Vibrational Energy (zpe) 4086.6 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 3931.3 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
ABC
0.16644 0.08372 0.05570

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.849
B2 0.000 0.000 -0.849
F3 0.000 1.154 1.562
F4 0.000 -1.154 1.562
F5 0.000 1.154 -1.562
F6 0.000 -1.154 -1.562

Atom - Atom Distances (Å)
  B1 B2 F3 F4 F5 F6
B11.69821.35701.35702.67352.6735
B21.69822.67352.67351.35701.3570
F31.35702.67352.30903.12463.8852
F41.35702.67352.30903.88523.1246
F52.67351.35703.12463.88522.3090
F62.67351.35703.88523.12462.3090

picture of Diboron tetrafluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 B2 F5 121.707 B1 B2 F6 121.707
B2 B1 F3 121.707 B2 B1 F4 121.707
F3 B1 F4 116.585 F5 B2 F6 116.585
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.567      
2 B 0.567      
3 F -0.283      
4 F -0.283      
5 F -0.283      
6 F -0.283      


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
Primitive
 xyz
x -26.752 0.000 0.000
y 0.000 -35.763 0.000
z 0.000 0.000 -36.153
Traceless
 xyz
x 9.206 0.000 0.000
y 0.000 -4.311 0.000
z 0.000 0.000 -4.895
Polar
3z2-r2-9.791
x2-y29.011
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.985 0.000 0.000
y 0.000 3.736 0.000
z 0.000 0.000 3.105


<r2> (average value of r2) Å2
<r2> 163.602
(<r2>)1/2 12.791