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

using model chemistry: G2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G2
 hartrees
Energy at 0K-5643.512651
Energy at 298.15K-5643.506792
HF Energy-5637.684326
Nuclear repulsion energy577.908418
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 HF/6-31G*
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' 3421 3223 1.11      
2 A' 1362 1283 36.14      
3 A' 846 797 117.21      
4 A' 611 576 6.98      
5 A' 304 287 0.15      
6 A' 187 176 0.03      
7 A" 1304 1228 55.72      
8 A" 742 699 108.82      
9 A" 223 210 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 4499.7 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 4239.6 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 MP2=FULL/6-31G*
ABC
0.08271 0.04137 0.02815

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.233 0.614 0.000
H2 -1.166 1.169 0.000
Cl3 1.110 1.743 0.000
Br4 -0.233 -0.493 1.594
Br5 -0.233 -0.493 -1.594

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.08521.75471.94101.9410
H21.08522.34772.48442.4844
Cl31.75472.34773.05703.0570
Br41.94102.48443.05703.1888
Br51.94102.48443.05703.1888

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 108.526 H2 C1 Br4 106.926
H2 C1 Br5 106.926 Cl3 C1 Br4 111.524
Cl3 C1 Br5 111.524 Br4 C1 Br5 111.161
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability