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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: HF/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31G
 hartrees
Energy at 0K-5277.327144
Energy at 298.15K 
HF Energy-5277.327144
Nuclear repulsion energy476.703494
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 HF/6-31G
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' 3429 3096 0.57 95.67 0.25 0.40
2 A' 1425 1286 23.27 8.51 0.72 0.84
3 A' 1161 1048 172.57 6.43 0.75 0.86
4 A' 629 568 34.36 23.90 0.15 0.26
5 A' 358 324 1.62 8.97 0.25 0.40
6 A' 181 163 0.17 7.33 0.55 0.71
7 A" 1303 1177 113.88 7.57 0.75 0.86
8 A" 734 663 198.22 18.52 0.75 0.86
9 A" 306 277 0.80 4.24 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4763.2 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 4300.7 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 HF/6-31G
ABC
0.17963 0.04010 0.03352

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.108 0.797 0.000
H2 -0.979 1.414 0.000
F3 1.018 1.592 0.000
Br4 -0.108 -0.293 1.621
Br5 -0.108 -0.293 -1.621

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.06781.37811.95351.9535
H21.06782.00532.51032.5103
F31.37812.00532.72932.7293
Br41.95352.51032.72933.2421
Br51.95352.51032.72933.2421

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.487 H2 C1 Br4 108.803
H2 C1 Br5 108.803 F3 C1 Br4 108.780
F3 C1 Br5 108.780 Br4 C1 Br5 112.158
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.213      
2 H 0.288      
3 F -0.368      
4 Br 0.147      
5 Br 0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.930 0.280 0.000 1.950
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.857 -3.303 0.000
y -3.303 -48.168 0.000
z 0.000 0.000 -48.347
Traceless
 xyz
x -0.600 -3.303 0.000
y -3.303 0.434 0.000
z 0.000 0.000 0.165
Polar
3z2-r20.331
x2-y2-0.690
xy-3.303
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.521 0.198 0.000
y 0.198 4.112 0.000
z 0.000 0.000 8.164


<r2> (average value of r2) Å2
<r2> 260.020
(<r2>)1/2 16.125