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All results from a given calculation for CBr3Cl (tribromochloromethane)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-8208.325980
Energy at 298.15K-8208.334609
HF Energy-8207.517071
Nuclear repulsion energy1141.328322
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 MP2/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 777 734 92.97      
2 A1 350 330 0.01      
3 A1 226 214 0.08      
4 E 739 698 80.72      
4 E 739 698 80.72      
5 E 227 215 0.00      
5 E 227 215 0.00      
6 E 151 143 0.01      
6 E 151 143 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 1794.2 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 1694.6 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 MP2/6-31G(2df,p)
ABC
0.02996 0.02996 0.02187

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.285
Cl2 0.000 0.000 2.056
Br3 0.000 1.804 -0.349
Br4 1.562 -0.902 -0.349
Br5 -1.562 -0.902 -0.349

Atom - Atom Distances (Å)
  C1 Cl2 Br3 Br4 Br5
C11.77081.91231.91231.9123
Cl21.77083.00643.00643.0064
Br31.91233.00643.12493.1249
Br41.91233.00643.12493.1250
Br51.91233.00643.12493.1250

picture of tribromochloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Br3 109.361 Cl2 C1 Br4 109.361
Cl2 C1 Br5 109.361 Br3 C1 Br4 109.581
Br3 C1 Br5 109.581 Br4 C1 Br5 109.581
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability