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

using model chemistry: MP2/6-31G*

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*
 hartrees
Energy at 0K-3068.765913
Energy at 298.15K-3068.771221
HF Energy-3068.391826
Nuclear repulsion energy218.081371
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*
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' 3200 3017 4.04      
2 A' 1520 1434 0.49      
3 A' 1319 1244 59.92      
4 A' 795 750 84.10      
5 A' 628 592 27.57      
6 A' 238 225 0.27      
7 A" 3289 3101 0.15      
8 A" 1210 1141 0.00      
9 A" 889 839 3.23      

Unscaled Zero Point Vibrational Energy (zpe) 6543.6 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 6170.6 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*
ABC
0.97977 0.07015 0.06630

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.031 0.000
Br2 0.836 -0.728 0.000
Cl3 -1.761 0.954 0.000
H4 0.336 1.540 0.899
H5 0.336 1.540 -0.899

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.94781.76261.08631.0863
Br21.94783.09432.49092.4909
Cl31.76263.09432.35522.3552
H41.08632.49092.35521.7977
H51.08632.49092.35521.7977

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 112.921 Br2 C1 H4 106.907
Br2 C1 H5 106.907 Cl3 C1 H4 109.214
Cl3 C1 H5 109.214 H4 C1 H5 111.686
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability