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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: LSDA/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at LSDA/6-311G*
 hartrees
Energy at 0K-7851.256940
Energy at 298.15K-7851.265776
HF Energy-7851.256940
Nuclear repulsion energy994.388962
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 LSDA/6-311G*
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 1116 1098 186.75      
2 A1 401 394 0.82      
3 A1 217 214 0.40      
4 E 712 700 263.65      
4 E 712 700 263.69      
5 E 305 300 0.82      
5 E 305 300 0.82      
6 E 146 143 0.08      
6 E 146 143 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 2029.9 cm-1
Scaled (by 0.9837) Zero Point Vibrational Energy (zpe) 1996.8 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 LSDA/6-311G*
ABC
0.03618 0.03618 0.02118

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.431
F2 0.000 0.000 1.755
Br3 0.000 1.834 -0.175
Br4 1.588 -0.917 -0.175
Br5 -1.588 -0.917 -0.175

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.32401.93131.93131.9313
F21.32402.66252.66252.6625
Br31.93132.66253.17583.1758
Br41.93132.66253.17583.1758
Br51.93132.66253.17583.1758

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.305 F2 C1 Br4 108.305
F2 C1 Br5 108.305 Br3 C1 Br4 110.612
Br3 C1 Br5 110.612 Br4 C1 Br5 110.612
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.236      
2 F -0.091      
3 Br 0.109      
4 Br 0.109      
5 Br 0.109      


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 -0.441 0.441
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.107 0.000 0.000
y 0.000 -63.107 0.000
z 0.000 0.000 -65.955
Traceless
 xyz
x 1.424 0.000 0.000
y 0.000 1.424 0.000
z 0.000 0.000 -2.848
Polar
3z2-r2-5.696
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 10.335 0.000 0.000
y 0.000 10.335 0.000
z 0.000 0.000 5.936


<r2> (average value of r2) Å2
<r2> 425.074
(<r2>)1/2 20.617