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: B3LYPultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/3-21G
 hartrees
Energy at 0K-5718.750991
Energy at 298.15K 
HF Energy-5718.750991
Nuclear repulsion energy707.853138
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 B3LYPultrafine/3-21G
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' 1126 1086 163.53 0.97 0.71 0.83
2 A' 681 657 271.71 6.47 0.51 0.68
3 A' 395 381 6.22 11.65 0.04 0.08
4 A' 313 302 0.91 6.18 0.75 0.86
5 A' 244 236 0.10 11.56 0.28 0.43
6 A' 154 149 0.02 5.80 0.70 0.82
7 A" 732 707 268.36 2.10 0.75 0.86
8 A" 290 280 0.01 4.56 0.75 0.86
9 A" 180 174 0.18 5.82 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2057.8 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 1985.5 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 B3LYPultrafine/3-21G
ABC
0.05903 0.03382 0.02604

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.109 0.511 0.000
F2 -0.438 1.761 0.000
Cl3 1.996 0.732 0.000
Br4 -0.438 -0.448 1.651
Br5 -0.438 -0.448 -1.651

Atom - Atom Distances (Å)
  C1 F2 Cl3 Br4 Br5
C11.36461.90021.98581.9858
F21.36462.64302.75782.7578
Cl31.90022.64303.16893.1689
Br41.98582.75783.16893.3015
Br51.98582.75783.16893.3015

picture of dibromochlorofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 106.953 F2 C1 Br4 109.395
F2 C1 Br5 109.395 Cl3 C1 Br4 109.244
Cl3 C1 Br5 109.244 Br4 C1 Br5 112.457
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.293      
2 F -0.208      
3 Cl 0.073      
4 Br 0.214      
5 Br 0.214      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.857 -0.811 0.000 1.180
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -60.722 0.125 0.000
y 0.125 -60.082 0.000
z 0.000 0.000 -56.646
Traceless
 xyz
x -2.358 0.125 0.000
y 0.125 -1.398 0.000
z 0.000 0.000 3.756
Polar
3z2-r27.512
x2-y2-0.640
xy0.125
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.712 1.588 0.000
y 1.588 4.465 0.000
z 0.000 0.000 8.647


<r2> (average value of r2) Å2
<r2> 363.292
(<r2>)1/2 19.060