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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: PBEPBEultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-7859.290502
Energy at 298.15K-7859.299246
HF Energy-7859.290502
Nuclear repulsion energy980.752066
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 PBEPBEultrafine/cc-pVTZ
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 1053 1046 162.07      
2 A1 387 385 0.43      
3 A1 208 207 0.41      
4 E 682 677 227.92      
4 E 682 677 227.90      
5 E 294 292 1.11      
5 E 294 292 1.11      
6 E 141 140 0.08      
6 E 141 140 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 1940.2 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 1926.8 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 PBEPBEultrafine/cc-pVTZ
ABC
0.03519 0.03519 0.02062

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.440
F2 0.000 0.000 1.784
Br3 0.000 1.858 -0.178
Br4 1.609 -0.929 -0.178
Br5 -1.609 -0.929 -0.178

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.34331.95851.95851.9585
F21.34332.70232.70232.7023
Br31.95852.70233.21873.2187
Br41.95852.70233.21873.2187
Br51.95852.70233.21873.2187

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.410 F2 C1 Br4 108.410
F2 C1 Br5 108.410 Br3 C1 Br4 110.511
Br3 C1 Br5 110.511 Br4 C1 Br5 110.511
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.045      
2 F -0.082      
3 Br 0.012      
4 Br 0.012      
5 Br 0.012      


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 -0.290 0.290
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.281 0.000 0.000
y 0.000 -63.281 0.000
z 0.000 0.000 -65.871
Traceless
 xyz
x 1.295 0.000 0.000
y 0.000 1.295 0.000
z 0.000 0.000 -2.590
Polar
3z2-r2-5.180
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 11.967 0.000 0.000
y 0.000 11.967 0.000
z 0.000 0.000 7.558


<r2> (average value of r2) Å2
<r2> 435.787
(<r2>)1/2 20.876