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All results from a given calculation for CF3Br (Bromotrifluoromethane)

using model chemistry: HF/3-21G*

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/3-21G*
 hartrees
Energy at 0K-2894.631853
Energy at 298.15K 
HF Energy-2894.631853
Nuclear repulsion energy368.433324
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/3-21G*
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 1227 1108 547.56 2.45 0.75 0.86
2 A1 785 708 55.28 5.26 0.02 0.04
3 A1 383 346 1.95 5.87 0.32 0.48
4 E 1406 1269 245.80 1.51 0.75 0.86
4 E 1406 1269 245.80 1.51 0.75 0.86
5 E 564 509 9.36 1.20 0.75 0.86
5 E 564 509 9.36 1.20 0.75 0.86
6 E 318 287 0.24 1.37 0.75 0.86
6 E 318 287 0.24 1.37 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3485.8 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 3146.3 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/3-21G*
ABC
0.18873 0.07033 0.07033

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.789
Br2 0.000 0.000 1.109
F3 0.000 1.252 -1.262
F4 1.084 -0.626 -1.262
F5 -1.084 -0.626 -1.262

Atom - Atom Distances (Å)
  C1 Br2 F3 F4 F5
C11.89771.33831.33831.3383
Br21.89772.68112.68112.6811
F31.33832.68112.16832.1683
F41.33832.68112.16832.1683
F51.33832.68112.16832.1683

picture of Bromotrifluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 F3 110.706 Br2 C1 F4 110.706
Br2 C1 F5 110.706 F3 C1 F4 108.209
F3 C1 F5 108.209 F4 C1 F5 108.209
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.119      
2 Br -0.002      
3 F -0.372      
4 F -0.372      
5 F -0.372      


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 1.307 1.307
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.730 0.000 0.000
y 0.000 -39.730 0.000
z 0.000 0.000 -36.957
Traceless
 xyz
x -1.387 0.000 0.000
y 0.000 -1.387 0.000
z 0.000 0.000 2.773
Polar
3z2-r25.547
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 2.658 0.000 0.000
y 0.000 2.658 0.000
z 0.000 0.000 4.393


<r2> (average value of r2) Å2
<r2> 156.326
(<r2>)1/2 12.503