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: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-5742.220288
Energy at 298.15K 
HF Energy-5742.220288
Nuclear repulsion energy738.021806
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 B1B95/6-31+G**
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' 1113 1065 185.03 3.09 0.43 0.60
2 A' 814 779 240.53 5.94 0.58 0.74
3 A' 469 449 1.41 9.68 0.02 0.04
4 A' 344 329 0.00 3.41 0.40 0.57
5 A' 272 260 0.21 6.00 0.19 0.32
6 A' 168 161 0.04 2.18 0.61 0.76
7 A" 758 725 239.35 6.26 0.75 0.86
8 A" 308 295 0.00 2.90 0.75 0.86
9 A" 202 193 0.08 2.45 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2223.7 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 2127.2 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 B1B95/6-31+G**
ABC
0.06337 0.03716 0.02853

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.133 0.522 0.000
F2 -1.250 1.262 0.000
Cl3 1.257 1.596 0.000
Br4 -0.133 -0.595 1.570
Br5 -0.133 -0.595 -1.570

Atom - Atom Distances (Å)
  C1 F2 Cl3 Br4 Br5
C11.33931.75641.92721.9272
F21.33932.52882.67602.6760
Cl31.75642.52883.03263.0326
Br41.92722.67603.03263.1410
Br51.92722.67603.03263.1410

picture of dibromochlorofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 108.801 F2 C1 Br4 108.673
F2 C1 Br5 108.673 Cl3 C1 Br4 110.743
Cl3 C1 Br5 110.743 Br4 C1 Br5 109.156
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.168      
2 F -0.104      
3 Cl 0.161      
4 Br 0.056      
5 Br 0.056      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.397 -0.415 0.000 0.574
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -60.137 1.227 0.000
y 1.227 -58.817 0.000
z 0.000 0.000 -57.148
Traceless
 xyz
x -2.155 1.227 0.000
y 1.227 -0.174 0.000
z 0.000 0.000 2.329
Polar
3z2-r24.659
x2-y2-1.321
xy1.227
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.866 1.110 0.000
y 1.110 9.086 0.000
z 0.000 0.000 10.748


<r2> (average value of r2) Å2
<r2> 335.595
(<r2>)1/2 18.319