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All results from a given calculation for CHClBr2 (Methane, dibromochloro-)

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-5637.616450
Energy at 298.15K-5637.623403
HF Energy-5637.378944
Nuclear repulsion energy557.995688
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' 3232 3102 0.01      
2 A' 1231 1181 19.33      
3 A' 686 658 83.49      
4 A' 530 508 4.19      
5 A' 263 253 0.15      
6 A' 163 157 0.06      
7 A" 1194 1146 30.28      
8 A" 642 616 73.04      
9 A" 191 183 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 4066.1 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 3901.4 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 CCD/6-31G
ABC
0.07652 0.03903 0.02638

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 -0.250 0.612 0.000
H2 -1.161 1.205 0.000
Cl3 1.184 1.800 0.000
Br4 -0.250 -0.507 1.642
Br5 -0.250 -0.507 -1.642

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.08711.86131.98671.9867
H21.08712.41942.54052.5405
Cl31.86132.41943.17313.1731
Br41.98672.54053.17313.2831
Br51.98672.54053.17313.2831

picture of Methane, dibromochloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Cl3 107.361 H2 C1 Br4 107.871
H2 C1 Br5 107.871 Cl3 C1 Br4 111.057
Cl3 C1 Br5 111.057 Br4 C1 Br5 111.431
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability