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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-3170.313877
Energy at 298.15K-3170.318529
HF Energy-3170.313877
Nuclear repulsion energy320.945137
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 3171 3039 4.17      
2 A 1338 1282 20.81      
3 A 1231 1180 75.47      
4 A 1150 1102 186.33      
5 A 769 737 210.73      
6 A 652 625 72.89      
7 A 424 407 1.33      
8 A 309 296 0.36      
9 A 225 216 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 4634.6 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 4441.8 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 0.06673 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 0.576 0.468 0.413
Br2 -1.206 -0.186 -0.028
Cl3 1.831 -0.686 -0.067
F4 0.780 1.641 -0.204
H5 0.609 0.591 1.494

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.94911.77081.34091.0889
Br21.94913.07772.70462.4933
Cl31.77083.07772.55672.3584
F41.34092.70462.55672.0039
H51.08892.49332.35842.0039

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.569 Br2 C1 F4 109.185
Br2 C1 H5 106.871 Cl3 C1 F4 109.729
Cl3 C1 H5 108.762 F4 C1 H5 110.696
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 0.060      
2 Br -0.068      
3 Cl 0.020      
4 F -0.223      
5 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.028 0.182 1.275 1.288
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.213 0.327 1.137
y 0.327 -42.139 1.261
z 1.137 1.261 -39.666
Traceless
 xyz
x -0.310 0.327 1.137
y 0.327 -1.700 1.261
z 1.137 1.261 2.010
Polar
3z2-r24.021
x2-y20.927
xy0.327
xz1.137
yz1.261


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.662 -0.305 0.049
y -0.305 4.935 0.298
z 0.049 0.298 4.072


<r2> (average value of r2) Å2
<r2> 180.177
(<r2>)1/2 13.423