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

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-3513.772458
Energy at 298.15K-3513.776835
HF Energy-3513.280212
Nuclear repulsion energy391.922251
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 MP2/3-21G*
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 3069 0.66      
2 A' 1254 1193 30.01      
3 A' 724 689 113.72      
4 A' 620 590 7.41      
5 A' 330 314 0.24      
6 A' 228 217 0.16      
7 A" 1303 1239 17.00      
8 A" 729 694 126.24      
9 A" 220 210 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 4317.3 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 4107.0 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 MP2/3-21G*
ABC
0.10645 0.06012 0.03953

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.690 -0.113 0.000
H2 -1.590 0.492 0.000
Br3 0.834 1.100 0.000
Cl4 -0.690 -1.127 1.475
Cl5 -0.690 -1.127 -1.475

Atom - Atom Distances (Å)
  C1 H2 Br3 Cl4 Cl5
C11.08471.94781.78981.7898
H21.08472.49932.36782.3678
Br31.94782.49933.07513.0751
Cl41.78982.36783.07512.9503
Cl51.78982.36783.07512.9503

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 107.575 H2 C1 Cl4 108.415
H2 C1 Cl5 108.415 Br3 C1 Cl4 110.651
Br3 C1 Cl5 110.651 Cl4 C1 Cl5 111.016
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability