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

using model chemistry: CISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-311G*
 hartrees
Energy at 0K-5643.158124
Energy at 298.15K-5643.165335
HF Energy-5642.676094
Nuclear repulsion energy576.655909
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 CISD/6-311G*
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' 3294 3048 0.27      
2 A' 1322 1223 29.21      
3 A' 819 758 116.15      
4 A' 600 555 4.56      
5 A' 298 276 0.04      
6 A' 178 165 0.02      
7 A" 1262 1168 48.02      
8 A" 729 675 99.28      
9 A" 215 199 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 4359.0 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 4033.4 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 CISD/6-311G*
ABC
0.08318 0.04124 0.02812

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.230 0.592 0.000
H2 -1.155 1.145 0.000
Cl3 1.095 1.750 0.000
Br4 -0.230 -0.492 1.598
Br5 -0.230 -0.492 -1.598

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.07781.75931.93051.9305
H21.07782.32932.46742.4674
Cl31.75932.32933.05483.0548
Br41.93052.46743.05483.1951
Br51.93052.46743.05483.1951

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 107.952 H2 C1 Br4 106.753
H2 C1 Br5 106.753 Cl3 C1 Br4 111.684
Cl3 C1 Br5 111.684 Br4 C1 Br5 111.689
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability