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All results from a given calculation for CHClBr2 (Methane, dibromochloro-)

using model chemistry: CCD/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 CCD/cc-pVTZ
 hartrees
Energy at 0K-5643.722494
Energy at 298.15K-5643.729656
HF Energy-5642.883804
Nuclear repulsion energy578.038873
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/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' 3219 3006 1.62      
2 A' 1244 1162 21.04      
3 A' 797 744 92.59      
4 A' 588 549 3.58      
5 A' 288 269 0.06      
6 A' 172 161 0.01      
7 A" 1208 1128 36.18      
8 A" 723 675 82.81      
9 A" 206 192 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 4222.8 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 3942.9 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/cc-pVTZ
ABC
0.08338 0.04152 0.02828

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.232 0.592 0.000
H2 -1.154 1.153 0.000
Cl3 1.106 1.740 0.000
Br4 -0.232 -0.490 1.592
Br5 -0.232 -0.490 -1.592

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.07901.76331.92451.9245
H21.07902.33492.46622.4662
Cl31.76332.33493.04893.0489
Br41.92452.46623.04893.1840
Br51.92452.46623.04893.1840

picture of Methane, dibromochloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Cl3 108.037 H2 C1 Br4 106.995
H2 C1 Br5 106.995 Cl3 C1 Br4 111.456
Cl3 C1 Br5 111.456 Br4 C1 Br5 111.629
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability