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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: LSDA/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-7851.219751
Energy at 298.15K-7851.228598
HF Energy-7851.219751
Nuclear repulsion energy993.853630
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/cc-pVDZ
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 1146 1133 185.61      
2 A1 401 397 0.84      
3 A1 217 215 0.25      
4 E 715 707 249.24      
4 E 715 707 249.26      
5 E 303 299 0.90      
5 E 303 299 0.90      
6 E 146 145 0.04      
6 E 146 145 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 2045.4 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 2022.9 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 LSDA/cc-pVDZ
ABC
0.03613 0.03613 0.02121

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.442
F2 0.000 0.000 1.768
Br3 0.000 1.832 -0.177
Br4 1.587 -0.916 -0.177
Br5 -1.587 -0.916 -0.177

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.32571.93401.93401.9340
F21.32572.67182.67182.6718
Br31.93402.67183.17383.1738
Br41.93402.67183.17383.1738
Br51.93402.67183.17383.1738

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.657 F2 C1 Br4 108.657
F2 C1 Br5 108.657 Br3 C1 Br4 110.273
Br3 C1 Br5 110.273 Br4 C1 Br5 110.273
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.160      
2 F -0.041      
3 Br 0.067      
4 Br 0.067      
5 Br 0.067      


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 -0.267 0.267
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.340 0.000 0.000
y 0.000 -62.340 0.000
z 0.000 0.000 -64.830
Traceless
 xyz
x 1.245 0.000 0.000
y 0.000 1.245 0.000
z 0.000 0.000 -2.490
Polar
3z2-r2-4.981
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 9.805 0.000 0.000
y 0.000 9.804 0.001
z 0.000 0.001 5.727


<r2> (average value of r2) Å2
<r2> 424.575
(<r2>)1/2 20.605