return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CHBrCl2 (Methane, bromodichloro-)

using model chemistry: QCISD(T)/daug-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 QCISD(T)/daug-cc-pVDZ
 hartrees
Energy at 0K-3530.479628
Energy at 298.15K 
HF Energy-3529.831296
Nuclear repulsion energy391.339746
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 QCISD(T)/daug-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' 3168 3168        
2 A' 1192 1192        
3 A' 732 732        
4 A' 605 605        
5 A' 328 328        
6 A' 223 223        
7 A" 1223 1223        
8 A" 767 767        
9 A" 218 218        

Unscaled Zero Point Vibrational Energy (zpe) 4227.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4227.7 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 QCISD(T)/daug-cc-pVDZ
ABC
0.10684 0.05964 0.03935

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.680 -0.127 0.000
H2 -1.596 0.474 0.000
Br3 0.823 1.115 0.000
Cl4 -0.680 -1.139 1.473
Cl5 -0.680 -1.139 -1.473

Atom - Atom Distances (Å)
  C1 H2 Br3 Cl4 Cl5
C11.09561.95031.78731.7873
H21.09562.50312.36882.3688
Br31.95032.50313.08443.0844
Cl41.78732.36883.08442.9461
Cl51.78732.36883.08442.9461

picture of Methane, bromodichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 107.173 H2 C1 Cl4 108.095
H2 C1 Cl5 108.095 Br3 C1 Cl4 111.149
Br3 C1 Cl5 111.149 Cl4 C1 Cl5 111.005
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability