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

using model chemistry: MP2/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-3071.322198
Energy at 298.15K-3071.327499
HF Energy-3070.912430
Nuclear repulsion energy217.783630
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-pVDZ
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' 3162 3011 6.76      
2 A' 1457 1388 0.12      
3 A' 1268 1208 54.82      
4 A' 782 745 88.59      
5 A' 636 606 21.76      
6 A' 234 223 0.22      
7 A" 3252 3098 0.01      
8 A" 1166 1110 0.02      
9 A" 865 824 2.83      

Unscaled Zero Point Vibrational Energy (zpe) 6410.6 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 6106.1 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-pVDZ
ABC
0.98009 0.06987 0.06606

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.023 0.000
Br2 0.842 -0.724 0.000
Cl3 -1.772 0.947 0.000
H4 0.330 1.546 0.906
H5 0.330 1.546 -0.906

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.93881.77361.09681.0968
Br21.93883.10182.49662.4966
Cl31.77363.10182.36592.3659
H41.09682.49662.36591.8118
H51.09682.49662.36591.8118

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 113.269 Br2 C1 H4 107.391
Br2 C1 H5 107.391 Cl3 C1 H4 108.725
Cl3 C1 H5 108.725 H4 C1 H5 111.372
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability