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: MP3=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/6-311G*
 hartrees
Energy at 0K-3071.751495
Energy at 298.15K-3071.756816
HF Energy-3070.905483
Nuclear repulsion energy218.158266
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 MP3=FULL/6-311G*
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' 3184 3184 6.78      
2 A' 1500 1500 0.30      
3 A' 1332 1332 60.10      
4 A' 790 790 88.13      
5 A' 637 637 19.83      
6 A' 238 238 0.18      
7 A" 3263 3263 0.02      
8 A" 1217 1217 0.07      
9 A" 887 887 5.58      

Unscaled Zero Point Vibrational Energy (zpe) 6524.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6524.4 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 MP3=FULL/6-311G*
ABC
0.99203 0.06995 0.06617

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.021 0.000
Br2 0.840 -0.725 0.000
Cl3 -1.767 0.952 0.000
H4 0.326 1.537 0.895
H5 0.326 1.537 -0.895

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.93761.76821.08381.0838
Br21.93763.09982.48692.4869
Cl31.76823.09982.35062.3506
H41.08382.48692.35061.7902
H51.08382.48692.35061.7902

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 113.461 Br2 C1 H4 107.402
Br2 C1 H5 107.402 Cl3 C1 H4 108.626
Cl3 C1 H5 108.626 H4 C1 H5 111.358
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability