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

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-5643.215162
Energy at 298.15K-5643.222319
HF Energy-5642.677699
Nuclear repulsion energy575.403116
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 MP2/6-311G**
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' 3218 3058 0.19      
2 A' 1268 1205 29.55      
3 A' 792 753 118.52      
4 A' 585 556 4.96      
5 A' 291 276 0.05      
6 A' 173 165 0.00      
7 A" 1196 1137 47.30      
8 A" 700 665 101.57      
9 A" 211 200 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 4217.1 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 4007.1 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 MP2/6-311G**
ABC
0.08279 0.04108 0.02800

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.229 0.595 0.000
H2 -1.164 1.146 0.000
Cl3 1.094 1.755 0.000
Br4 -0.229 -0.494 1.601
Br5 -0.229 -0.494 -1.601

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.08471.76051.93561.9356
H21.08472.33882.47452.4745
Cl31.76052.33883.06153.0615
Br41.93562.47453.06153.2014
Br51.93562.47453.06153.2014

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 108.217 H2 C1 Br4 106.599
H2 C1 Br5 106.599 Cl3 C1 Br4 111.758
Cl3 C1 Br5 111.758 Br4 C1 Br5 111.577
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability