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All results from a given calculation for CH2BrCl (Methane, bromochloro-)

using model chemistry: MP4/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/cc-pVTZ
 hartrees
Energy at 0K-3071.669831
Energy at 298.15K-3071.675106
HF Energy-3071.020169
Nuclear repulsion energy218.299485
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 MP4/cc-pVTZ
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' 3126 3030        
2 A' 1455 1410        
3 A' 1252 1213        
4 A' 756 733        
5 A' 626 607        
6 A' 227 220        
7 A" 3208 3109        
8 A" 1150 1115        
9 A" 856 830        

Unscaled Zero Point Vibrational Energy (zpe) 6327.9 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 6133.0 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 MP4/cc-pVTZ
ABC
0.98152 0.07020 0.06635

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.023 0.000
Br2 0.843 -0.718 0.000
Cl3 -1.773 0.936 0.000
H4 0.321 1.538 0.898
H5 0.321 1.538 -0.898

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.93421.77501.08391.0839
Br21.93423.09492.48402.4840
Cl31.77503.09492.35632.3563
H41.08392.48402.35631.7958
H51.08392.48402.35631.7958

picture of Methane, bromochloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 113.030 Br2 C1 H4 107.407
Br2 C1 H5 107.407 Cl3 C1 H4 108.589
Cl3 C1 H5 108.589 H4 C1 H5 111.871
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability