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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-3170.312488
Energy at 298.15K-3170.317134
HF Energy-3170.312488
Nuclear repulsion energy320.923113
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 B3PW91/6-31G*
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 3186 3048 4.77      
2 A 1350 1291 22.58      
3 A 1243 1189 79.48      
4 A 1150 1100 186.02      
5 A 770 737 210.34      
6 A 652 624 73.35      
7 A 424 406 1.33      
8 A 309 296 0.35      
9 A 225 216 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 4654.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 4452.8 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 B3PW91/6-31G*
ABC
0.21453 0.06671 0.05256

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.577 0.468 0.413
Br2 -1.206 -0.186 -0.028
Cl3 1.831 -0.686 -0.067
F4 0.781 1.641 -0.204
H5 0.610 0.595 1.494

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.94951.77081.34091.0885
Br21.94953.07792.70472.4950
Cl31.77083.07792.55662.3592
F41.34092.70472.55662.0016
H51.08852.49502.35922.0016

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.562 Br2 C1 F4 109.171
Br2 C1 H5 106.982 Cl3 C1 F4 109.720
Cl3 C1 H5 108.844 F4 C1 H5 110.532
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.015      
2 Br -0.064      
3 Cl 0.021      
4 F -0.220      
5 H 0.248      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.029 0.181 1.275 1.289
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.207 0.326 1.138
y 0.326 -42.139 1.266
z 1.138 1.266 -39.672
Traceless
 xyz
x -0.301 0.326 1.138
y 0.326 -1.700 1.266
z 1.138 1.266 2.001
Polar
3z2-r24.002
x2-y20.933
xy0.326
xz1.138
yz1.266


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.650 -0.306 0.047
y -0.306 4.923 0.296
z 0.047 0.296 4.058


<r2> (average value of r2) Å2
<r2> 180.199
(<r2>)1/2 13.424