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 CBrClF2 (Methane, bromochlorodifluoro-)

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-3269.026563
Energy at 298.15K-3269.030440
HF Energy-3269.026563
Nuclear repulsion energy440.131865
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/6-31G(2df,p)
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' 1080 1069 253.90      
2 A' 799 791 385.14      
3 A' 629 622 12.49      
4 A' 419 414 1.80      
5 A' 329 325 0.95      
6 A' 205 203 0.02      
7 A" 1159 1147 166.35      
8 A" 391 387 0.21      
9 A" 282 279 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2646.1 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 2618.8 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 PBEPBE/6-31G(2df,p)
ABC
0.12655 0.05603 0.04891

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.047 0.674 0.000
Br2 0.551 -1.190 0.000
Cl3 -1.733 0.872 0.000
F4 0.551 1.265 1.085
F5 0.551 1.265 -1.085

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 F5
C11.93081.79171.33361.3336
Br21.93083.07712.68352.6835
Cl31.79173.07712.55892.5589
F41.33362.68352.55892.1693
F51.33362.68352.55892.1693

picture of Methane, bromochlorodifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.452 Br2 C1 F4 109.207
Br2 C1 F5 109.207 Cl3 C1 F4 109.047
Cl3 C1 F5 109.047 F4 C1 F5 108.841
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.066      
2 Br 0.030      
3 Cl -0.099      
4 F 0.002      
5 F 0.002      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.162 -0.079 0.000 0.180
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.818 -0.440 0.000
y -0.440 -44.192 0.000
z 0.000 0.000 -45.924
Traceless
 xyz
x 0.240 -0.440 0.000
y -0.440 1.179 0.000
z 0.000 0.000 -1.419
Polar
3z2-r2-2.837
x2-y2-0.626
xy-0.440
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.467 -1.262 0.000
y -1.262 7.462 0.000
z 0.000 0.000 5.323


<r2> (average value of r2) Å2
<r2> 210.430
(<r2>)1/2 14.506