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

using model chemistry: MP2/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-34.587202
Energy at 298.15K-34.592413
HF Energy-34.423292
Nuclear repulsion energy33.443434
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/CEP-121G
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' 3090 3016 15.26      
2 A' 1438 1404 1.39      
3 A' 1306 1275 69.34      
4 A' 688 671 89.62      
5 A' 582 568 18.26      
6 A' 216 211 0.42      
7 A" 3206 3129 3.43      
8 A" 1155 1127 0.47      
9 A" 855 834 4.58      

Unscaled Zero Point Vibrational Energy (zpe) 6267.0 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 6116.6 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/CEP-121G
ABC
0.91703 0.06436 0.06087

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.058 0.000
Br2 0.890 -0.736 0.000
Cl3 -1.868 0.956 0.000
H4 0.299 1.578 0.913
H5 0.299 1.578 -0.913

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C12.00261.87041.09261.0926
Br22.00263.23512.55632.5563
Cl31.87043.23512.43262.4326
H41.09262.55632.43261.8269
H51.09262.55632.43261.8269

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 113.250 Br2 C1 H4 107.699
Br2 C1 H5 107.699 Cl3 C1 H4 107.440
Cl3 C1 H5 107.440 H4 C1 H5 113.440
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability