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

using model chemistry: CCD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/3-21G
 hartrees
Energy at 0K-3056.351717
Energy at 298.15K-3056.356890
HF Energy-3056.151179
Nuclear repulsion energy209.693276
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 CCD/3-21G
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' 3173 3085 3.39      
2 A' 1502 1460 0.33      
3 A' 1275 1239 45.96      
4 A' 667 649 72.15      
5 A' 579 563 7.20      
6 A' 210 204 0.56      
7 A" 3261 3171 0.07      
8 A" 1154 1122 0.03      
9 A" 834 811 4.54      

Unscaled Zero Point Vibrational Energy (zpe) 6327.1 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 6151.8 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 CCD/3-21G
ABC
0.89684 0.06456 0.06095

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.058 0.000
Br2 0.904 -0.714 0.000
Cl3 -1.892 0.908 0.000
H4 0.267 1.593 0.907
H5 0.267 1.593 -0.907

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.98931.89821.08601.0860
Br21.98933.23252.55882.5588
Cl31.89823.23252.43982.4398
H41.08602.55882.43981.8141
H51.08602.55882.43981.8141

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 112.492 Br2 C1 H4 109.058
Br2 C1 H5 109.058 Cl3 C1 H4 106.490
Cl3 C1 H5 106.490 H4 C1 H5 113.284
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability