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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: B3LYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/6-31G*
 hartrees
Energy at 0K-5281.938451
Energy at 298.15K 
HF Energy-5281.938451
Nuclear repulsion energy478.062882
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 B3LYP/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 A' 3186 3060 2.71 77.57 0.27 0.43
2 A' 1334 1281 23.11 5.27 0.72 0.84
3 A' 1132 1087 177.12 1.45 0.75 0.85
4 A' 609 585 25.24 11.01 0.10 0.19
5 A' 348 334 0.63 5.38 0.17 0.29
6 A' 171 164 0.00 4.11 0.44 0.61
7 A" 1190 1143 97.65 3.17 0.75 0.86
8 A" 670 644 209.68 4.44 0.75 0.86
9 A" 289 278 0.47 2.45 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4464.8 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 4287.6 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 B3LYP/6-31G*
ABC
0.18054 0.04034 0.03370

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.102 0.806 0.000
H2 -1.017 1.392 0.000
F3 0.978 1.606 0.000
Br4 -0.102 -0.295 1.616
Br5 -0.102 -0.295 -1.616

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08661.34401.95611.9561
H21.08662.00672.50962.5096
F31.34402.00672.71922.7192
Br41.95612.50962.71923.2328
Br51.95612.50962.71923.2328

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.850 H2 C1 Br4 107.684
H2 C1 Br5 107.684 F3 C1 Br4 109.575
F3 C1 Br5 109.575 Br4 C1 Br5 111.451
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.143      
2 H 0.220      
3 F -0.226      
4 Br -0.068      
5 Br -0.068      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.003 0.625 0.000 1.181
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.178 -1.892 0.000
y -1.892 -45.831 0.000
z 0.000 0.000 -46.466
Traceless
 xyz
x -1.029 -1.892 0.000
y -1.892 0.991 0.000
z 0.000 0.000 0.038
Polar
3z2-r20.076
x2-y2-1.347
xy-1.892
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.736 0.163 0.000
y 0.163 5.789 0.000
z 0.000 0.000 9.250


<r2> (average value of r2) Å2
<r2> 257.520
(<r2>)1/2 16.047