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

using model chemistry: MP2=FULL/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=FULL/cc-pVTZ
 hartrees
Energy at 0K-3071.705009
Energy at 298.15K-3071.710323
HF Energy-3071.020299
Nuclear repulsion energy220.307142
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=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3180 3019 3.81      
2 A' 1478 1404 0.01      
3 A' 1270 1206 48.89      
4 A' 787 747 86.04      
5 A' 648 616 18.78      
6 A' 234 222 0.23      
7 A" 3244 3080 0.68      
8 A" 1176 1117 0.01      
9 A" 868 824 2.61      

Unscaled Zero Point Vibrational Energy (zpe) 6443.0 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 6117.0 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=FULL/cc-pVTZ
ABC
0.99728 0.07155 0.06762

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.014 0.000
Br2 0.835 -0.711 0.000
Cl3 -1.756 0.927 0.000
H4 0.319 1.528 0.892
H5 0.319 1.528 -0.892

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.91661.75851.07741.0774
Br21.91663.06552.46462.4646
Cl31.75853.06552.33742.3374
H41.07742.46462.33741.7832
H51.07742.46462.33741.7832

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 112.981 Br2 C1 H4 107.476
Br2 C1 H5 107.476 Cl3 C1 H4 108.627
Cl3 C1 H5 108.627 H4 C1 H5 111.699
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability