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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: HF/daug-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 HF/daug-cc-pVTZ
 hartrees
Energy at 0K-7854.706392
Energy at 298.15K-7854.715521
HF Energy-7854.706392
Nuclear repulsion energy994.906510
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 HF/daug-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 1229 1112 156.96      
2 A1 435 394 0.05      
3 A1 237 214 0.24      
4 E 837 757 185.87      
4 E 837 757 185.87      
5 E 338 306 0.13      
5 E 338 306 0.13      
6 E 163 147 0.02      
6 E 163 147 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 2288.3 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 2070.0 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 HF/daug-cc-pVTZ
ABC
0.03622 0.03622 0.02115

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.427
F2 0.000 0.000 1.741
Br3 0.000 1.835 -0.174
Br4 1.589 -0.917 -0.174
Br5 -1.589 -0.917 -0.174

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.31381.93071.93071.9307
F21.31382.65172.65172.6517
Br31.93072.65173.17823.1782
Br41.93072.65173.17823.1782
Br51.93072.65173.17823.1782

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.121 F2 C1 Br4 108.121
F2 C1 Br5 108.121 Br3 C1 Br4 110.787
Br3 C1 Br5 110.787 Br4 C1 Br5 110.787
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.079      
2 F -0.859      
3 Br -0.073      
4 Br -0.073      
5 Br -0.073      


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 -0.485 0.485
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.787 0.000 0.000
y 0.000 -63.787 0.000
z 0.000 0.000 -67.124
Traceless
 xyz
x 1.668 0.000 0.000
y 0.000 1.668 0.000
z 0.000 0.000 -3.337
Polar
3z2-r2-6.674
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 12.369 0.000 0.000
y 0.000 12.369 0.000
z 0.000 0.000 8.775


<r2> (average value of r2) Å2
<r2> 425.596
(<r2>)1/2 20.630