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

using model chemistry: MP2/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 MP2/cc-pVTZ
 hartrees
Energy at 0K-3071.609900
Energy at 298.15K-3071.615209
HF Energy-3071.020269
Nuclear repulsion energy219.715275
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/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' 3160 3000 4.01      
2 A' 1469 1395 0.00      
3 A' 1267 1203 50.38      
4 A' 780 741 87.41      
5 A' 646 614 19.19      
6 A' 233 221 0.23      
7 A" 3244 3080 0.55      
8 A" 1169 1110 0.01      
9 A" 870 826 2.49      

Unscaled Zero Point Vibrational Energy (zpe) 6418.2 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 6094.1 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/cc-pVTZ
ABC
0.99041 0.07119 0.06727

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.017 0.000
Br2 0.837 -0.712 0.000
Cl3 -1.762 0.927 0.000
H4 0.320 1.533 0.895
H5 0.320 1.533 -0.895

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.92121.76401.08171.0817
Br21.92123.07332.47232.4723
Cl31.76403.07332.34532.3453
H41.08172.47232.34531.7899
H51.08172.47232.34531.7899

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 112.946 Br2 C1 H4 107.520
Br2 C1 H5 107.520 Cl3 C1 H4 108.625
Cl3 C1 H5 108.625 H4 C1 H5 111.649
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability