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: PBEPBEultrafine/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/6-311+G(3df,2p)
 hartrees
Energy at 0K-5285.926272
Energy at 298.15K 
HF Energy-5285.926272
Nuclear repulsion energy477.590436
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 PBEPBEultrafine/6-311+G(3df,2p)
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' 3072 3072 0.04 74.30 0.21 0.35
2 A' 1261 1261 7.97 4.59 0.41 0.58
3 A' 1043 1043 182.42 2.02 0.59 0.74
4 A' 600 600 24.14 12.81 0.04 0.08
5 A' 347 347 0.29 6.50 0.10 0.18
6 A' 161 161 0.02 3.45 0.37 0.54
7 A" 1132 1132 67.83 1.08 0.75 0.86
8 A" 658 658 213.46 3.03 0.75 0.86
9 A" 285 285 0.60 1.90 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4278.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4278.8 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 PBEPBEultrafine/6-311+G(3df,2p)
ABC
0.18143 0.04012 0.03357

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.102 0.792 0.000
H2 -1.021 1.384 0.000
F3 0.978 1.605 0.000
Br4 -0.102 -0.294 1.621
Br5 -0.102 -0.294 -1.621

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.09301.35221.95101.9510
H21.09302.01072.50772.5077
F31.35222.01072.72062.7206
Br41.95102.50772.72063.2420
Br51.95102.50772.72063.2420

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.180 H2 C1 Br4 107.564
H2 C1 Br5 107.564 F3 C1 Br4 109.560
F3 C1 Br5 109.560 Br4 C1 Br5 112.368
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.083      
2 H 0.191      
3 F -0.239      
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
  -0.999 0.450 0.000 1.096
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.223 -2.053 0.000
y -2.053 -47.016 0.000
z 0.000 0.000 -47.212
Traceless
 xyz
x -1.109 -2.053 0.000
y -2.053 0.702 0.000
z 0.000 0.000 0.408
Polar
3z2-r20.815
x2-y2-1.207
xy-2.053
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.182 0.274 0.000
y 0.274 8.042 0.000
z 0.000 0.000 11.788


<r2> (average value of r2) Å2
<r2> 258.950
(<r2>)1/2 16.092