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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: B3LYPultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYPultrafine/3-21G
 hartrees
Energy at 0K-7822.557681
Energy at 298.15K-7822.566395
HF Energy-7822.557681
Nuclear repulsion energy959.207146
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 B3LYPultrafine/3-21G
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 1106 1067 153.09      
2 A1 362 350 2.74      
3 A1 208 200 0.07      
4 E 699 675 247.67      
4 E 699 675 247.66      
5 E 285 275 0.20      
5 E 285 275 0.20      
6 E 143 138 0.00      
6 E 143 138 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 1964.9 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 1895.9 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 B3LYPultrafine/3-21G
ABC
0.03366 0.03366 0.01968

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.443
F2 0.000 0.000 1.814
Br3 0.000 1.902 -0.181
Br4 1.647 -0.951 -0.181
Br5 -1.647 -0.951 -0.181

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.37092.00162.00162.0016
F21.37092.75602.75602.7560
Br32.00162.75603.29423.2942
Br42.00162.75603.29423.2942
Br52.00162.75603.29423.2942

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.159 F2 C1 Br4 108.159
F2 C1 Br5 108.159 Br3 C1 Br4 110.751
Br3 C1 Br5 110.751 Br4 C1 Br5 110.751
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.333      
2 F -0.216      
3 Br 0.183      
4 Br 0.183      
5 Br 0.183      


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 -0.577 0.577
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.931 0.000 0.000
y 0.000 -62.931 0.000
z 0.000 0.000 -65.941
Traceless
 xyz
x 1.505 0.000 0.000
y 0.000 1.505 0.000
z 0.000 0.000 -3.010
Polar
3z2-r2-6.021
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.775 0.000 0.000
y 0.000 8.775 0.000
z 0.000 0.000 3.736


<r2> (average value of r2) Å2
<r2> 453.954
(<r2>)1/2 21.306