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

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-5581.979744
Energy at 298.15K-5581.986830
HF Energy-5581.886494
Nuclear repulsion energy564.742371
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 MP2=FULL/STO-3G
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' 3397 3019 0.25      
2 A' 1332 1184 29.55      
3 A' 872 775 81.52      
4 A' 624 555 10.82      
5 A' 303 269 1.57      
6 A' 183 163 0.35      
7 A" 1334 1185 39.51      
8 A" 846 752 67.89      
9 A" 208 185 1.70      

Unscaled Zero Point Vibrational Energy (zpe) 4549.2 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 4043.8 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 MP2=FULL/STO-3G
ABC
0.07894 0.03972 0.02694

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.244 0.565 0.000
H2 -1.166 1.192 0.000
Cl3 1.159 1.782 0.000
Br4 -0.244 -0.498 1.628
Br5 -0.244 -0.498 -1.628

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.11521.85721.94421.9442
H21.11522.39842.52132.5213
Cl31.85722.39843.13323.1332
Br41.94422.52133.13323.2560
Br51.94422.52133.13323.2560

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 104.816 H2 C1 Br4 107.906
H2 C1 Br5 107.906 Cl3 C1 Br4 111.001
Cl3 C1 Br5 111.001 Br4 C1 Br5 113.719
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability