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: B2PLYP=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-31G
 hartrees
Energy at 0K-3070.281661
Energy at 298.15K-3070.286843
HF Energy-3070.217859
Nuclear repulsion energy211.811650
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 B2PLYP=FULL/6-31G
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' 3203 3203 3.57      
2 A' 1492 1492 0.07      
3 A' 1288 1288 54.93      
4 A' 664 664 105.11      
5 A' 573 573 28.45      
6 A' 216 216 0.38      
7 A" 3306 3306 0.00      
8 A" 1162 1162 0.01      
9 A" 860 860 5.03      

Unscaled Zero Point Vibrational Energy (zpe) 6381.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6381.5 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 B2PLYP=FULL/6-31G
ABC
0.91415 0.06604 0.06234

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.057 0.000
Br2 0.883 -0.721 0.000
Cl3 -1.853 0.926 0.000
H4 0.294 1.573 0.906
H5 0.294 1.573 -0.906

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.98571.85761.08291.0829
Br21.98573.19372.53612.5361
Cl31.85763.19372.41822.4182
H41.08292.53612.41821.8111
H51.08292.53612.41821.8111

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 112.358 Br2 C1 H4 107.819
Br2 C1 H5 107.819 Cl3 C1 H4 107.721
Cl3 C1 H5 107.721 H4 C1 H5 113.496
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability