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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-5638.214029
Energy at 298.15K-5638.221177
HF Energy-5637.685785
Nuclear repulsion energy574.185998
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' 3272 3068 0.39      
2 A' 1281 1201 27.71      
3 A' 809 759 93.41      
4 A' 580 544 6.04      
5 A' 288 270 0.16      
6 A' 177 166 0.03      
7 A" 1215 1139 40.88      
8 A" 692 648 85.15      
9 A" 211 197 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 4261.7 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 3995.8 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
0.08227 0.04101 0.02792

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 -0.232 0.611 0.000
H2 -1.163 1.160 0.000
Cl3 1.107 1.753 0.000
Br4 -0.232 -0.495 1.602
Br5 -0.232 -0.495 -1.602

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.08091.75941.94661.9466
H21.08092.34622.48422.4842
Cl31.75942.34623.06753.0675
Br41.94662.48423.06753.2035
Br51.94662.48423.06753.2035

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 109.046 H2 C1 Br4 106.768
H2 C1 Br5 106.768 Cl3 C1 Br4 111.630
Cl3 C1 Br5 111.630 Br4 C1 Br5 110.743
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability