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

using model chemistry: CCSD/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 CCSD/cc-pVTZ
 hartrees
Energy at 0K-5643.727734
Energy at 298.15K-5643.734884
HF Energy-5642.883797
Nuclear repulsion energy577.539350
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 CCSD/cc-pVTZ
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' 3216 3027 1.57      
2 A' 1239 1166 21.49      
3 A' 790 743 95.88      
4 A' 586 551 3.77      
5 A' 287 270 0.06      
6 A' 172 162 0.01      
7 A" 1202 1132 37.35      
8 A" 716 674 86.89      
9 A" 205 193 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 4206.2 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 3958.9 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 CCSD/cc-pVTZ
ABC
0.08325 0.04144 0.02823

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.232 0.592 0.000
H2 -1.154 1.154 0.000
Cl3 1.107 1.741 0.000
Br4 -0.232 -0.490 1.593
Br5 -0.232 -0.490 -1.593

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.07901.76471.92631.9263
H21.07902.33612.46792.4679
Cl31.76472.33613.05153.0515
Br41.92632.46793.05153.1870
Br51.92632.46793.05153.1870

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 108.029 H2 C1 Br4 107.003
H2 C1 Br5 107.003 Cl3 C1 Br4 111.452
Cl3 C1 Br5 111.452 Br4 C1 Br5 111.630
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability