return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: B3LYP/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-57.142370
Energy at 298.15K 
HF Energy-57.142370
Nuclear repulsion energy58.270553
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/CEP-121G
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' 3151 3071 6.71 89.35 0.24 0.39
2 A' 1280 1248 21.62 13.07 0.73 0.85
3 A' 988 963 200.60 2.13 0.61 0.76
4 A' 583 568 29.09 17.75 0.18 0.30
5 A' 329 320 0.89 9.05 0.28 0.43
6 A' 161 157 0.00 9.66 0.57 0.73
7 A" 1180 1150 99.57 9.08 0.75 0.86
8 A" 657 640 243.35 7.34 0.75 0.86
9 A" 272 266 0.02 4.83 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4300.0 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 4190.3 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 B3LYP/CEP-121G
ABC
0.17314 0.03778 0.03168

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.109 0.797 0.000
H2 -1.003 1.420 0.000
F3 1.035 1.629 0.000
Br4 -0.109 -0.298 1.671
Br5 -0.109 -0.298 -1.671

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08931.41441.99771.9977
H21.08932.04862.55772.5577
F31.41442.04862.79532.7953
Br41.99772.55772.79533.3411
Br51.99772.55772.79533.3411

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.125 H2 C1 Br4 108.267
H2 C1 Br5 108.267 F3 C1 Br4 108.813
F3 C1 Br5 108.813 Br4 C1 Br5 113.483
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.402      
2 H 0.251      
3 F -0.165      
4 Br 0.158      
5 Br 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.790 0.155 0.000 1.797
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.020 -3.013 0.000
y -3.013 -41.156 0.000
z 0.000 0.000 -40.571
Traceless
 xyz
x -1.156 -3.013 0.000
y -3.013 0.139 0.000
z 0.000 0.000 1.017
Polar
3z2-r22.035
x2-y2-0.864
xy-3.013
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.675 0.356 0.000
y 0.356 4.637 0.000
z 0.000 0.000 9.318


<r2> (average value of r2) Å2
<r2> 97.933
(<r2>)1/2 9.896