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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-31G**
 hartrees
Energy at 0K-7853.032495
Energy at 298.15K-7853.041311
HF Energy-7853.032495
Nuclear repulsion energy982.352816
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 B3LYPultrafine/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 1128 1083 160.78      
2 A1 389 374 0.68      
3 A1 215 207 0.22      
4 E 709 681 221.04      
4 E 709 681 221.03      
5 E 299 287 0.49      
5 E 299 287 0.49      
6 E 151 145 0.04      
6 E 151 145 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 2024.4 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 1945.0 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 B3LYPultrafine/6-31G**
ABC
0.03530 0.03530 0.02070

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.447
F2 0.000 0.000 1.784
Br3 0.000 1.855 -0.178
Br4 1.606 -0.927 -0.178
Br5 -1.606 -0.927 -0.178

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.33661.95721.95721.9572
F21.33662.69992.69992.6999
Br31.95722.69993.21223.2122
Br41.95722.69993.21223.2122
Br51.95722.69993.21223.2122

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.641 F2 C1 Br4 108.641
F2 C1 Br5 108.641 Br3 C1 Br4 110.288
Br3 C1 Br5 110.288 Br4 C1 Br5 110.288
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.260      
2 F -0.207      
3 Br -0.018      
4 Br -0.018      
5 Br -0.018      


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 -0.288 0.288
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.392 0.000 0.000
y 0.000 -62.392 0.000
z 0.000 0.000 -65.136
Traceless
 xyz
x 1.372 0.000 0.000
y 0.000 1.372 0.000
z 0.000 0.000 -2.744
Polar
3z2-r2-5.487
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 10.486 0.000 0.000
y 0.000 10.486 -0.000
z 0.000 -0.000 6.532


<r2> (average value of r2) Å2
<r2> 433.854
(<r2>)1/2 20.829