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 CH2BrCl (Methane, bromochloro-)

using model chemistry: CCD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-3069.113811
Energy at 298.15K-3069.119139
HF Energy-3068.581724
Nuclear repulsion energy220.118162
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 CCD/6-31G(2df,p)
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' 3182 3014 2.75      
2 A' 1494 1416 0.04      
3 A' 1297 1229 47.13      
4 A' 791 749 77.05      
5 A' 661 626 11.71      
6 A' 237 225 0.35      
7 A" 3261 3089 0.56      
8 A" 1188 1125 0.00      
9 A" 881 835 2.16      

Unscaled Zero Point Vibrational Energy (zpe) 6496.8 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 6153.8 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 CCD/6-31G(2df,p)
ABC
0.98397 0.07157 0.06758

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.012 0.000
Br2 0.842 -0.702 0.000
Cl3 -1.769 0.906 0.000
H4 0.308 1.544 0.894
H5 0.308 1.544 -0.894

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.90911.77241.08481.0848
Br21.90913.06632.47572.4757
Cl31.77243.06632.34942.3494
H41.08482.47572.34941.7871
H51.08482.47572.34941.7871

picture of Methane, bromochloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 112.737 Br2 C1 H4 108.401
Br2 C1 H5 108.401 Cl3 C1 H4 108.205
Cl3 C1 H5 108.205 H4 C1 H5 110.913
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability