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

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

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/6-31G(2df,p)
 hartrees
Energy at 0K-5638.742864
Energy at 298.15K-5638.750053
HF Energy-5638.052898
Nuclear repulsion energy581.875553
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/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 A' 3229 3058 2.73      
2 A' 1257 1190 19.40      
3 A' 800 758 86.08      
4 A' 598 567 2.69      
5 A' 293 278 0.09      
6 A' 179 170 0.01      
7 A" 1219 1155 28.13      
8 A" 744 705 69.61      
9 A" 209 198 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 4264.0 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 4038.8 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/6-31G(2df,p)
ABC
0.08376 0.04233 0.02871

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.236 0.591 0.000
H2 -1.148 1.176 0.000
Cl3 1.121 1.724 0.000
Br4 -0.236 -0.486 1.576
Br5 -0.236 -0.486 -1.576

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.08351.76841.90891.9089
H21.08352.33452.46532.4653
Cl31.76842.33453.03523.0352
Br41.90892.46533.03523.1523
Br51.90892.46533.03523.1523

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 107.442 H2 C1 Br4 107.735
H2 C1 Br5 107.735 Cl3 C1 Br4 111.202
Cl3 C1 Br5 111.202 Br4 C1 Br5 111.319
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability