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

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
 hartrees
Energy at 0K-3068.417437
Energy at 298.15K-3068.422618
HF Energy-3068.220643
Nuclear repulsion energy210.907761
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
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' 3165 3037 5.20      
2 A' 1489 1428 0.08      
3 A' 1288 1236 46.00      
4 A' 675 648 68.13      
5 A' 570 547 13.96      
6 A' 215 206 0.42      
7 A" 3260 3128 0.36      
8 A" 1159 1112 0.01      
9 A" 852 818 4.16      

Unscaled Zero Point Vibrational Energy (zpe) 6336.4 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 6079.8 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
ABC
0.90242 0.06554 0.06185

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.063 0.000
Br2 0.888 -0.722 0.000
Cl3 -1.862 0.926 0.000
H4 0.295 1.585 0.909
H5 0.295 1.585 -0.909

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.99361.86731.08911.0891
Br21.99363.20592.54972.5497
Cl31.86733.20592.43202.4320
H41.08912.54972.43201.8183
H51.08912.54972.43201.8183

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 112.231 Br2 C1 H4 107.978
Br2 C1 H5 107.978 Cl3 C1 H4 107.775
Cl3 C1 H5 107.775 H4 C1 H5 113.185
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability