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All results from a given calculation for CHBrCl2 (Methane, bromodichloro-)

using model chemistry: MP2=FULL/3-21G*

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/3-21G*
 hartrees
Energy at 0K-3513.808281
Energy at 298.15K-3513.812658
HF Energy-3513.280234
Nuclear repulsion energy392.093302
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/3-21G*
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' 3227 3059 0.67      
2 A' 1254 1188 29.90      
3 A' 725 687 113.30      
4 A' 620 588 7.16      
5 A' 330 313 0.24      
6 A' 228 216 0.17      
7 A" 1301 1234 16.96      
8 A" 729 691 125.89      
9 A" 220 209 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 4316.9 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 4092.4 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 MP2=FULL/3-21G*
ABC
0.10651 0.06019 0.03957

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.690 -0.112 0.000
H2 -1.590 0.493 0.000
Br3 0.834 1.099 0.000
Cl4 -0.690 -1.126 1.475
Cl5 -0.690 -1.126 -1.475

Atom - Atom Distances (Å)
  C1 H2 Br3 Cl4 Cl5
C11.08461.94681.78941.7894
H21.08462.49892.36762.3676
Br31.94682.49893.07343.0734
Cl41.78942.36763.07342.9494
Cl51.78942.36763.07342.9494

picture of Methane, bromodichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 107.620 H2 C1 Cl4 108.433
H2 C1 Cl5 108.433 Br3 C1 Cl4 110.622
Br3 C1 Cl5 110.622 Cl4 C1 Cl5 110.996
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability