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

using model chemistry: MP2=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31+G**
 hartrees
Energy at 0K-5638.294390
Energy at 298.15K-5638.301555
HF Energy-5637.719554
Nuclear repulsion energy578.786061
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 MP2=FULL/6-31+G**
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' 3260 3062 3.57      
2 A' 1270 1193 29.53      
3 A' 799 750 106.38      
4 A' 593 557 7.10      
5 A' 294 276 0.09      
6 A' 180 169 0.01      
7 A" 1205 1132 46.39      
8 A" 686 644 99.25      
9 A" 212 199 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 4249.1 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 3990.7 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 MP2=FULL/6-31+G**
ABC
0.08286 0.04199 0.02848

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.237 0.627 0.000
H2 -1.159 1.194 0.000
Cl3 1.129 1.726 0.000
Br4 -0.237 -0.490 1.582
Br5 -0.237 -0.490 -1.582

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.08211.75381.93661.9366
H21.08212.34962.48742.4874
Cl31.75382.34963.04673.0467
Br41.93662.48743.04673.1637
Br51.93662.48743.04673.1637

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 109.610 H2 C1 Br4 107.581
H2 C1 Br5 107.581 Cl3 C1 Br4 111.198
Cl3 C1 Br5 111.198 Br4 C1 Br5 109.537
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability