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: CCSD/TZVP

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/TZVP
 hartrees
Energy at 0K-3530.541702
Energy at 298.15K 
HF Energy-3529.860938
Nuclear repulsion energy392.952906
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/TZVP
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' 3238 3091 0.06      
2 A' 1231 1175 51.07      
3 A' 759 724 107.46      
4 A' 616 588 14.62      
5 A' 337 322 0.27      
6 A' 226 216 0.05      
7 A" 1285 1226 31.04      
8 A" 806 769 118.63      
9 A" 219 209 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 4358.8 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 4160.0 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/TZVP
ABC
0.10784 0.06002 0.03960

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.669 -0.142 0.000
H2 -1.573 0.449 0.000
Br3 0.810 1.120 0.000
Cl4 -0.669 -1.141 1.467
Cl5 -0.669 -1.141 -1.467

Atom - Atom Distances (Å)
  C1 H2 Br3 Cl4 Cl5
C11.08001.94451.77531.7753
H21.08002.47622.34502.3450
Br31.94452.47623.07503.0750
Cl41.77532.34503.07502.9344
Cl51.77532.34503.07502.9344

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 106.371 H2 C1 Cl4 107.937
H2 C1 Cl5 107.937 Br3 C1 Cl4 111.430
Br3 C1 Cl5 111.430 Cl4 C1 Cl5 111.475
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability