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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-5261.777660
Energy at 298.15K 
HF Energy-5261.777660
Nuclear repulsion energy480.820276
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' 3171 3042 4.68      
2 A' 1326 1272 14.17      
3 A' 1105 1060 121.67      
4 A' 630 605 22.57      
5 A' 346 332 0.55      
6 A' 170 163 0.03      
7 A" 1222 1172 70.87      
8 A" 699 671 195.63      
9 A" 279 267 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 4473.0 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 4291.4 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
0.17418 0.04162 0.03435

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 -0.104 0.807 0.000
H2 -1.030 1.378 0.000
F3 0.995 1.642 0.000
Br4 -0.104 -0.300 1.591
Br5 -0.104 -0.300 -1.591

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08741.38071.93841.9384
H21.08742.04192.49092.4909
F31.38072.04192.74102.7410
Br41.93842.49092.74103.1821
Br51.93842.49092.74103.1821

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 111.091 H2 C1 Br4 107.460
H2 C1 Br5 107.460 F3 C1 Br4 110.214
F3 C1 Br5 110.214 Br4 C1 Br5 110.331
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 -0.028      
2 H 0.293      
3 F -0.251      
4 Br -0.007      
5 Br -0.007      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.256 0.316 0.000 1.295
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.000 -2.290 0.000
y -2.290 -45.879 0.000
z 0.000 0.000 -45.554
Traceless
 xyz
x -1.284 -2.290 0.000
y -2.290 0.398 0.000
z 0.000 0.000 0.886
Polar
3z2-r21.772
x2-y2-1.121
xy-2.290
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.082 0.202 0.000
y 0.202 5.192 0.000
z 0.000 0.000 8.328


<r2> (average value of r2) Å2
<r2> 253.208
(<r2>)1/2 15.913