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: PBEPBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-3172.190176
Energy at 298.15K-3172.194742
HF Energy-3172.190176
Nuclear repulsion energy317.743803
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 PBEPBE/6-311G*
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 3086 3054 6.14 79.23 0.27 0.43
2 A 1297 1284 17.71 7.12 0.75 0.86
3 A 1193 1180 75.30 4.11 0.68 0.81
4 A 1066 1055 211.05 0.83 0.45 0.62
5 A 719 712 235.62 3.62 0.49 0.66
6 A 626 620 85.27 9.60 0.17 0.30
7 A 411 407 1.16 5.63 0.30 0.47
8 A 299 296 1.21 4.03 0.54 0.70
9 A 214 212 0.10 6.94 0.53 0.69

Unscaled Zero Point Vibrational Energy (zpe) 4455.8 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 4409.5 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 PBEPBE/6-311G*
ABC
0.21190 0.06511 0.05141

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.582 0.468 0.412
Br2 -1.221 -0.187 -0.028
Cl3 1.854 -0.690 -0.068
F4 0.790 1.653 -0.204
H5 0.622 0.596 1.498

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.96821.78571.35151.0944
Br21.96823.11612.73132.5183
Cl31.78573.11612.57692.3714
F41.35152.73132.57692.0099
H51.09442.51832.37142.0099

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 112.127 Br2 C1 F4 109.314
Br2 C1 H5 107.147 Cl3 C1 F4 109.677
Cl3 C1 H5 108.455 F4 C1 H5 110.080
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.175      
2 Br 0.023      
3 Cl -0.003      
4 F -0.139      
5 H 0.293      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.022 0.104 1.294 1.299
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.085 0.276 1.114
y 0.276 -43.002 1.271
z 1.114 1.271 -40.554
Traceless
 xyz
x -0.307 0.276 1.114
y 0.276 -1.683 1.271
z 1.114 1.271 1.989
Polar
3z2-r23.979
x2-y20.917
xy0.276
xz1.114
yz1.271


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.250 -0.343 0.063
y -0.343 4.918 0.382
z 0.063 0.382 3.775


<r2> (average value of r2) Å2
<r2> 184.126
(<r2>)1/2 13.569