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: CCD/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-3530.739269
Energy at 298.15K 
HF Energy-3529.881411
Nuclear repulsion energy396.528020
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/Def2TZVPP
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' 3222 3222 0.82      
2 A' 1233 1233 32.26      
3 A' 776 776 97.75      
4 A' 629 629 8.81      
5 A' 339 339 0.16      
6 A' 229 229 0.09      
7 A" 1267 1267 18.71      
8 A" 818 818 108.97      
9 A" 221 221 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 4366.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4366.8 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/Def2TZVPP
ABC
0.10981 0.06116 0.04037

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.668 -0.134 0.000
H2 -1.570 0.457 0.000
Br3 0.808 1.105 0.000
Cl4 -0.668 -1.127 1.453
Cl5 -0.668 -1.127 -1.453

Atom - Atom Distances (Å)
  C1 H2 Br3 Cl4 Cl5
C11.07881.92711.76061.7606
H21.07882.46532.33192.3319
Br31.92712.46533.04563.0456
Cl41.76062.33193.04562.9068
Cl51.76062.33193.04562.9068

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 106.777 H2 C1 Cl4 108.006
H2 C1 Cl5 108.006 Br3 C1 Cl4 111.275
Br3 C1 Cl5 111.275 Cl4 C1 Cl5 111.286
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability