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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-5261.295635
Energy at 298.15K 
HF Energy-5261.295635
Nuclear repulsion energy468.838616
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 B3PW91/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3190 3066 6.22      
2 A' 1323 1272 15.02      
3 A' 1120 1077 151.67      
4 A' 596 573 27.64      
5 A' 333 320 1.91      
6 A' 164 157 0.08      
7 A" 1211 1164 88.09      
8 A" 679 653 220.35      
9 A" 278 267 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 4447.0 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 4274.4 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 B3PW91/3-21G
ABC
0.17458 0.03865 0.03231

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.103 0.808 0.000
H2 -1.034 1.367 0.000
F3 0.988 1.644 0.000
Br4 -0.103 -0.300 1.652
Br5 -0.103 -0.300 -1.652

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08611.37451.98911.9891
H21.08612.04112.52502.5250
F31.37452.04112.77452.7745
Br41.98912.52502.77453.3036
Br51.98912.52502.77453.3036

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 111.560 H2 C1 Br4 106.674
H2 C1 Br5 106.674 F3 C1 Br4 109.797
F3 C1 Br5 109.797 Br4 C1 Br5 112.289
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.341      
2 H 0.319      
3 F -0.235      
4 Br 0.128      
5 Br 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.357 0.527 0.000 1.456
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.259 -2.190 0.000
y -2.190 -46.563 0.000
z 0.000 0.000 -47.043
Traceless
 xyz
x -0.456 -2.190 0.000
y -2.190 0.588 0.000
z 0.000 0.000 -0.132
Polar
3z2-r2-0.264
x2-y2-0.696
xy-2.190
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.470 0.245 0.000
y 0.245 4.104 0.000
z 0.000 0.000 8.295


<r2> (average value of r2) Å2
<r2> 267.390
(<r2>)1/2 16.352