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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: PBEPBEultrafine/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-5281.034961
Energy at 298.15K 
HF Energy-5281.034961
Nuclear repulsion energy478.780824
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/6-31+G**
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' 3100 3065 0.03 77.51 0.25 0.40
2 A' 1255 1241 12.59 5.11 0.61 0.75
3 A' 1032 1021 199.89 1.30 0.75 0.85
4 A' 604 597 27.60 13.33 0.05 0.10
5 A' 346 342 0.28 5.62 0.14 0.24
6 A' 166 164 0.01 3.69 0.46 0.63
7 A" 1152 1138 80.47 2.42 0.75 0.86
8 A" 655 647 225.55 3.50 0.75 0.86
9 A" 284 281 0.28 2.46 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4297.2 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 4248.3 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 PBEPBEultrafine/6-31+G**
ABC
0.17929 0.04065 0.03389

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.105 0.801 0.000
H2 -1.013 1.416 0.000
F3 1.000 1.603 0.000
Br4 -0.105 -0.295 1.610
Br5 -0.105 -0.295 -1.610

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.09661.36541.94751.9475
H21.09662.02172.51872.5187
F31.36542.02172.72292.7229
Br41.94752.51872.72293.2198
Br51.94752.51872.72293.2198

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.923 H2 C1 Br4 108.405
H2 C1 Br5 108.405 F3 C1 Br4 109.290
F3 C1 Br5 109.290 Br4 C1 Br5 111.511
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.076      
2 H 0.224      
3 F -0.139      
4 Br -0.005      
5 Br -0.005      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.146 0.388 0.000 1.209
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.593 -2.276 0.000
y -2.276 -47.182 0.000
z 0.000 0.000 -47.168
Traceless
 xyz
x -1.417 -2.276 0.000
y -2.276 0.698 0.000
z 0.000 0.000 0.719
Polar
3z2-r21.439
x2-y2-1.410
xy-2.276
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.167 0.283 0.000
y 0.283 7.147 0.000
z 0.000 0.000 10.735


<r2> (average value of r2) Å2
<r2> 257.107
(<r2>)1/2 16.035