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

using model chemistry: CCD/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-5643.750117
Energy at 298.15K-5643.757288
HF Energy-5642.885305
Nuclear repulsion energy579.047397
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/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3220 3081 3.68      
2 A' 1252 1198 20.27      
3 A' 796 762 87.42      
4 A' 592 566 3.07      
5 A' 290 277 0.04      
6 A' 173 166 0.00      
7 A" 1215 1162 33.69      
8 A" 725 694 77.48      
9 A" 207 198 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 4234.5 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 4052.4 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 CCD/aug-cc-pVTZ
ABC
0.08366 0.04168 0.02839

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.233 0.593 0.000
H2 -1.153 1.158 0.000
Cl3 1.111 1.732 0.000
Br4 -0.233 -0.488 1.589
Br5 -0.233 -0.488 -1.589

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.07921.76221.92151.9215
H21.07922.33502.46552.4655
Cl31.76222.33503.04323.0432
Br41.92152.46553.04323.1776
Br51.92152.46553.04323.1776

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 108.110 H2 C1 Br4 107.133
H2 C1 Br5 107.133 Cl3 C1 Br4 111.333
Cl3 C1 Br5 111.333 Br4 C1 Br5 111.553
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability