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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: LSDA/6-31G**

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/6-31G**
 hartrees
Energy at 0K-7843.988869
Energy at 298.15K-7843.997707
HF Energy-7843.988869
Nuclear repulsion energy999.141344
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 1161 1139 155.44      
2 A1 398 390 0.95      
3 A1 219 215 0.17      
4 E 712 699 232.01      
4 E 712 699 232.01      
5 E 299 294 0.40      
5 E 299 294 0.40      
6 E 151 148 0.02      
6 E 151 148 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 2051.6 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 2013.2 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/6-31G**
ABC
0.03651 0.03651 0.02149

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.448
F2 0.000 0.000 1.772
Br3 0.000 1.820 -0.178
Br4 1.576 -0.910 -0.178
Br5 -1.576 -0.910 -0.178

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.32421.92471.92471.9247
F21.32422.66742.66742.6674
Br31.92472.66743.15263.1526
Br41.92472.66743.15263.1526
Br51.92472.66743.15263.1526

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.970 F2 C1 Br4 108.970
F2 C1 Br5 108.970 Br3 C1 Br4 109.968
Br3 C1 Br5 109.968 Br4 C1 Br5 109.968
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.171      
2 F -0.144      
3 Br -0.009      
4 Br -0.009      
5 Br -0.009      


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 -0.184 0.184
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.170 0.000 0.000
y 0.000 -62.170 0.000
z 0.000 0.000 -64.495
Traceless
 xyz
x 1.163 0.000 0.000
y 0.000 1.163 0.000
z 0.000 0.000 -2.325
Polar
3z2-r2-4.650
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 10.356 0.000 0.000
y 0.000 10.356 0.000
z 0.000 0.000 6.555


<r2> (average value of r2) Å2
<r2> 419.955
(<r2>)1/2 20.493