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: CCSD(T)/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)/aug-cc-pVQZ
 hartrees
Energy at 0K-3071.788915
Energy at 298.15K 
HF Energy-3071.030284
Nuclear repulsion energy219.555929
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 CCSD(T)/aug-cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/aug-cc-pVQZ
ABC
0.98442 0.07115 0.06721

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.018 0.000
Br2 0.840 -0.710 0.000
Cl3 -1.767 0.921 0.000
H4 0.315 1.536 0.897
H5 0.315 1.536 -0.897

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.92091.76921.08301.0830
Br21.92093.07452.47452.4745
Cl31.76923.07452.34912.3491
H41.08302.47452.34911.7944
H51.08302.47452.34911.7944

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 112.787 Br2 C1 H4 107.635
Br2 C1 H5 107.635 Cl3 C1 H4 108.484
Cl3 C1 H5 108.484 H4 C1 H5 111.871
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability