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 CHFClBr (fluorochlorobromomethane)

using model chemistry: wB97X-D/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/6-31G*
 hartrees
Energy at 0K-3170.398731
Energy at 298.15K-3170.403421
HF Energy-3170.398731
Nuclear repulsion energy321.670756
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 wB97X-D/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 3200 3036 4.68 78.96 0.27 0.43
2 A 1366 1296 23.20 5.77 0.75 0.86
3 A 1263 1198 84.76 4.78 0.66 0.80
4 A 1160 1100 186.74 1.36 0.74 0.85
5 A 795 754 210.87 4.70 0.65 0.79
6 A 673 638 57.85 11.26 0.14 0.25
7 A 430 408 1.27 4.51 0.27 0.43
8 A 317 301 0.07 3.06 0.53 0.69
9 A 231 219 0.08 4.55 0.51 0.67

Unscaled Zero Point Vibrational Energy (zpe) 4717.3 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 4474.4 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 wB97X-D/6-31G*
ABC
0.21490 0.06710 0.05282

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.570 0.468 0.413
Br2 -1.202 -0.187 -0.028
Cl3 1.828 -0.684 -0.067
F4 0.775 1.640 -0.204
H5 0.610 0.598 1.491

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.93961.77231.33991.0873
Br21.93963.07032.69722.4916
Cl31.77233.07032.55502.3572
F41.33992.69722.55501.9971
H51.08732.49162.35721.9971

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.537 Br2 C1 F4 109.296
Br2 C1 H5 107.437 Cl3 C1 F4 109.587
Cl3 C1 H5 108.660 F4 C1 H5 110.300
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.043      
2 Br -0.069      
3 Cl 0.011      
4 F -0.231      
5 H 0.246      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.047 0.161 1.305 1.315
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.286 0.343 1.170
y 0.343 -42.281 1.303
z 1.170 1.303 -39.686
Traceless
 xyz
x -0.302 0.343 1.170
y 0.343 -1.795 1.303
z 1.170 1.303 2.097
Polar
3z2-r24.195
x2-y20.995
xy0.343
xz1.170
yz1.303


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.514 -0.297 0.049
y -0.297 4.873 0.297
z 0.049 0.297 4.044


<r2> (average value of r2) Å2
<r2> 179.506
(<r2>)1/2 13.398