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All results from a given calculation for CHBrCl2 (Methane, bromodichloro-)

using model chemistry: MP2/CEP-31G

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/CEP-31G
 hartrees
Energy at 0K-48.671863
Energy at 298.15K-48.676118
HF Energy-48.483595
Nuclear repulsion energy54.263435
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/CEP-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' 3210 3102 3.17      
2 A' 1212 1171 50.34      
3 A' 693 670 120.09      
4 A' 570 551 11.59      
5 A' 310 300 0.23      
6 A' 212 205 0.22      
7 A" 1221 1180 29.71      
8 A" 721 696 115.38      
9 A" 208 201 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 4178.6 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 4037.8 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/CEP-31G
ABC
0.09796 0.05553 0.03639

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.686 -0.136 0.000
H2 -1.624 0.441 0.000
Br3 0.831 1.172 0.000
Cl4 -0.686 -1.195 1.540
Cl5 -0.686 -1.195 -1.540

Atom - Atom Distances (Å)
  C1 H2 Br3 Cl4 Cl5
C11.10162.00291.86881.8688
H21.10162.56162.43472.4347
Br32.00292.56163.20523.2052
Cl41.86882.43473.20523.0801
Cl51.86882.43473.20523.0801

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 107.627 H2 C1 Cl4 107.265
H2 C1 Cl5 107.265 Br3 C1 Cl4 111.713
Br3 C1 Cl5 111.713 Cl4 C1 Cl5 110.993
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability