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/6-311G*

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/6-311G*
 hartrees
Energy at 0K-3271.374453
Energy at 298.15K-3271.378304
HF Energy-3271.374453
Nuclear repulsion energy435.988998
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' 1055 1044 333.81      
2 A' 795 787 463.89      
3 A' 624 617 14.71      
4 A' 419 414 2.27      
5 A' 313 310 2.50      
6 A' 207 205 0.14      
7 A" 1129 1117 231.61      
8 A" 394 390 0.18      
9 A" 282 279 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2609.0 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 2581.9 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
0.12583 0.05464 0.04781

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.038 0.688 0.000
Br2 0.553 -1.211 0.000
Cl3 -1.738 0.896 0.000
F4 0.553 1.279 1.088
F5 0.553 1.279 -1.088

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 F5
C11.96751.78821.34061.3406
Br21.96753.11252.71742.7174
Cl31.78823.11252.56442.5644
F41.34062.71742.56442.1752
F51.34062.71742.56442.1752

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 111.852 Br2 C1 F4 108.983
Br2 C1 F5 108.983 Cl3 C1 F4 109.258
Cl3 C1 F5 109.258 F4 C1 F5 108.444
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 0.188      
2 Br 0.042      
3 Cl 0.007      
4 F -0.119      
5 F -0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.046 -0.275 0.000 0.278
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.720 -0.622 0.000
y -0.622 -45.124 0.000
z 0.000 0.000 -47.232
Traceless
 xyz
x 0.458 -0.622 0.000
y -0.622 1.352 0.000
z 0.000 0.000 -1.810
Polar
3z2-r2-3.620
x2-y2-0.596
xy-0.622
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.510 -1.456 0.000
y -1.456 6.694 0.000
z 0.000 0.000 3.826


<r2> (average value of r2) Å2
<r2> 214.868
(<r2>)1/2 14.658