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

using model chemistry: CCD/aug-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 CCD/aug-cc-pVDZ
 hartrees
Energy at 0K-5643.320326
Energy at 298.15K-5643.327476
HF Energy-5642.711583
Nuclear repulsion energy573.602473
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/aug-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' 3203 3089 2.88      
2 A' 1231 1187 20.77      
3 A' 781 753 91.26      
4 A' 584 563 3.39      
5 A' 288 277 0.03      
6 A' 174 168 0.00      
7 A" 1198 1156 34.58      
8 A" 707 682 80.83      
9 A" 208 200 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 4186.3 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 4037.7 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 CCD/aug-cc-pVDZ
ABC
0.08208 0.04092 0.02787

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.236 0.600 0.000
H2 -1.166 1.175 0.000
Cl3 1.123 1.747 0.000
Br4 -0.236 -0.493 1.603
Br5 -0.236 -0.493 -1.603

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.09331.77871.94041.9404
H21.09332.35952.49352.4935
Cl31.77872.35953.07183.0718
Br41.94042.49353.07183.2068
Br51.94042.49353.07183.2068

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 108.098 H2 C1 Br4 107.234
H2 C1 Br5 107.234 Cl3 C1 Br4 111.298
Cl3 C1 Br5 111.298 Br4 C1 Br5 111.447
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability