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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-3069.076143
Energy at 298.15K-3069.081469
HF Energy-3068.581706
Nuclear repulsion energy220.631499
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 MP2/6-31G(2df,p)
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' 3178 3002 2.04      
2 A' 1484 1401 0.03      
3 A' 1284 1212 45.76      
4 A' 787 744 84.67      
5 A' 665 628 13.11      
6 A' 237 224 0.31      
7 A" 3263 3082 1.25      
8 A" 1181 1115 0.00      
9 A" 880 831 2.51      

Unscaled Zero Point Vibrational Energy (zpe) 6479.3 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 6119.7 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 MP2/6-31G(2df,p)
ABC
0.98599 0.07195 0.06793

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.010 0.000
Br2 0.840 -0.699 0.000
Cl3 -1.765 0.902 0.000
H4 0.307 1.543 0.895
H5 0.307 1.543 -0.895

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.90441.76871.08561.0856
Br21.90443.05802.47202.4720
Cl31.76873.05802.34632.3463
H41.08562.47202.34631.7895
H51.08562.47202.34631.7895

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 112.668 Br2 C1 H4 108.409
Br2 C1 H5 108.409 Cl3 C1 H4 108.183
Cl3 C1 H5 108.183 H4 C1 H5 111.015
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability