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

using model chemistry: CCSD(T)/cc-pVDZ

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(T)/cc-pVDZ
 hartrees
Energy at 0K-5643.285453
Energy at 298.15K-5643.292535
HF Energy-5642.698494
Nuclear repulsion energy570.440835
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(T)/cc-pVDZ
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' 3186 3119        
2 A' 1213 1187        
3 A' 760 744        
4 A' 567 555        
5 A' 280 274        
6 A' 169 165        
7 A" 1173 1148        
8 A" 675 660        
9 A" 202 198        

Unscaled Zero Point Vibrational Energy (zpe) 4112.3 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 4025.1 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(T)/cc-pVDZ
ABC
0.08137 0.04039 0.02754

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.235 0.602 0.000
H2 -1.174 1.169 0.000
Cl3 1.118 1.762 0.000
Br4 -0.235 -0.496 1.614
Br5 -0.235 -0.496 -1.614

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.09751.78161.95201.9520
H21.09752.36672.50232.5023
Cl31.78162.36673.08733.0873
Br41.95202.50233.08733.2281
Br51.95202.50233.08733.2281

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 108.215 H2 C1 Br4 106.916
H2 C1 Br5 106.916 Cl3 C1 Br4 111.482
Cl3 C1 Br5 111.482 Br4 C1 Br5 111.557
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability