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=FULLultrafine/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=FULLultrafine/6-31G**
 hartrees
Energy at 0K-3070.526079
Energy at 298.15K 
HF Energy-3070.385361
Nuclear repulsion energy217.346478
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=FULLultrafine/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' 3179 3179 5.23      
2 A' 1491 1491 0.45      
3 A' 1287 1287 64.73      
4 A' 753 753 98.22      
5 A' 612 612 33.48      
6 A' 232 232 0.25      
7 A" 3268 3268 0.01      
8 A" 1181 1181 0.00      
9 A" 870 870 2.94      

Unscaled Zero Point Vibrational Energy (zpe) 6436.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6436.3 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=FULLultrafine/6-31G**
ABC
0.98043 0.06950 0.06573

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.030 0.000
Br2 0.842 -0.729 0.000
Cl3 -1.772 0.956 0.000
H4 0.331 1.538 0.898
H5 0.331 1.538 -0.898

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.94971.77351.08331.0833
Br21.94973.10952.49082.4908
Cl31.77353.10952.35942.3594
H41.08332.49082.35941.7956
H51.08332.49082.35941.7956

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 113.184 Br2 C1 H4 106.919
Br2 C1 H5 106.919 Cl3 C1 H4 108.954
Cl3 C1 H5 108.954 H4 C1 H5 111.944
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability