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: CISD/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-311+G(3df,2p)
 hartrees
Energy at 0K-5742.369627
Energy at 298.15K 
HF Energy-5741.579838
Nuclear repulsion energy739.870009
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 CISD/6-311+G(3df,2p)
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' 1189 1096 151.23      
2 A' 898 828 186.73      
3 A' 502 463 0.57      
4 A' 370 341 0.14      
5 A' 290 267 0.27      
6 A' 174 160 0.05      
7 A" 841 775 191.32      
8 A" 336 309 0.19      
9 A" 212 196 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 2405.8 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 2217.7 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 CISD/6-311+G(3df,2p)
ABC
0.06498 0.03686 0.02844

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.130 0.504 0.000
F2 -1.237 1.225 0.000
Cl3 1.236 1.590 0.000
Br4 -0.130 -0.587 1.583
Br5 -0.130 -0.587 -1.583

Atom - Atom Distances (Å)
  C1 F2 Cl3 Br4 Br5
C11.32181.74521.92201.9220
F21.32182.49972.64882.6488
Cl31.74522.49973.01833.0183
Br41.92202.64883.01833.1653
Br51.92202.64883.01833.1653

picture of dibromochlorofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 108.389 F2 C1 Br4 108.051
F2 C1 Br5 108.051 Cl3 C1 Br4 110.689
Cl3 C1 Br5 110.689 Br4 C1 Br5 110.860
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability