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 CBr2ClF (dibromochlorofluoromethane)

using model chemistry: B2PLYP=FULLultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULLultrafine/6-31G*
 hartrees
Energy at 0K-5740.307597
Energy at 298.15K 
HF Energy-5740.063901
Nuclear repulsion energy729.587240
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 B2PLYP=FULLultrafine/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' 1129 1071 166.29 1.85 0.57 0.72
2 A' 809 768 237.61 3.65 0.66 0.79
3 A' 464 440 1.64 8.14 0.03 0.06
4 A' 340 323 0.07 3.26 0.50 0.67
5 A' 269 255 0.18 7.40 0.20 0.33
6 A' 167 158 0.03 2.79 0.62 0.77
7 A" 745 706 242.19 4.29 0.75 0.86
8 A" 306 291 0.16 3.08 0.75 0.86
9 A" 200 190 0.04 2.93 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2214.6 cm-1
Scaled (by 0.9487) Zero Point Vibrational Energy (zpe) 2101.0 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 B2PLYP=FULLultrafine/6-31G*
ABC
0.06270 0.03603 0.02773

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.132 0.521 0.000
F2 -1.260 1.248 0.000
Cl3 1.256 1.618 0.000
Br4 -0.132 -0.598 1.599
Br5 -0.132 -0.598 -1.599

Atom - Atom Distances (Å)
  C1 F2 Cl3 Br4 Br5
C11.34251.76861.95191.9519
F21.34252.54322.69062.6906
Cl31.76862.54323.06493.0649
Br41.95192.69063.06493.1979
Br51.95192.69063.06493.1979

picture of dibromochlorofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 108.897 F2 C1 Br4 108.090
F2 C1 Br5 108.090 Cl3 C1 Br4 110.835
Cl3 C1 Br5 110.835 Br4 C1 Br5 110.003
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.179      
2 F -0.221      
3 Cl 0.074      
4 Br -0.016      
5 Br -0.016      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.223 -0.254 0.000 0.338
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.561 0.815 0.003
y 0.815 -58.500 0.023
z 0.003 0.023 -57.062
Traceless
 xyz
x -1.780 0.815 0.003
y 0.815 -0.189 0.023
z 0.003 0.023 1.969
Polar
3z2-r23.938
x2-y2-1.061
xy0.815
xz0.003
yz0.023


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.522 1.254 -0.000
y 1.254 7.877 -0.002
z -0.000 -0.002 9.559


<r2> (average value of r2) Å2
<r2> 343.051
(<r2>)1/2 18.522