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All results from a given calculation for CBr3Cl (tribromochloromethane)

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 C3V 1A1
Energy calculated at CCD/3-21G
 hartrees
Energy at 0K-8175.342143
Energy at 298.15K-8175.350504
HF Energy-8175.059197
Nuclear repulsion energy1085.652593
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 A1 667 649 84.26      
2 A1 299 291 0.22      
3 A1 208 202 0.02      
4 E 696 677 76.99      
4 E 696 677 76.99      
5 E 207 201 0.24      
5 E 207 201 0.24      
6 E 139 135 0.03      
6 E 139 135 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 1628.3 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 1583.2 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
0.02710 0.02710 0.01976

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.256
Cl2 0.000 0.000 2.162
Br3 0.000 1.898 -0.365
Br4 1.644 -0.949 -0.365
Br5 -1.644 -0.949 -0.365

Atom - Atom Distances (Å)
  C1 Cl2 Br3 Br4 Br5
C11.90571.99711.99711.9971
Cl21.90573.16003.16003.1600
Br31.99713.16003.28793.2879
Br41.99713.16003.28793.2879
Br51.99713.16003.28793.2879

picture of tribromochloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Br3 108.104 Cl2 C1 Br4 108.104
Cl2 C1 Br5 108.104 Br3 C1 Br4 110.804
Br3 C1 Br5 110.804 Br4 C1 Br5 110.804
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability