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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-3528.141153
Energy at 298.15K-3528.145614
HF Energy-3527.471016
Nuclear repulsion energy398.377563
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 MP2/6-31G(2df,p)
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' 3219 3040 2.25      
2 A' 1225 1157 28.25      
3 A' 781 738 103.97      
4 A' 639 604 6.94      
5 A' 341 322 0.15      
6 A' 231 218 0.16      
7 A" 1258 1188 19.15      
8 A" 806 761 122.12      
9 A" 224 212 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 4361.4 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 4119.4 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 MP2/6-31G(2df,p)
ABC
0.10978 0.06214 0.04081

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.665 -0.117 0.000
H2 -1.581 0.465 0.000
Br3 0.805 1.093 0.000
Cl4 -0.665 -1.118 1.453
Cl5 -0.665 -1.118 -1.453

Atom - Atom Distances (Å)
  C1 H2 Br3 Cl4 Cl5
C11.08541.90351.76461.7646
H21.08542.46722.33602.3360
Br31.90352.46723.02663.0266
Cl41.76462.33603.02662.9061
Cl51.76462.33603.02662.9061

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 108.129 H2 C1 Cl4 107.701
H2 C1 Cl5 107.701 Br3 C1 Cl4 111.144
Br3 C1 Cl5 111.144 Cl4 C1 Cl5 110.857
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability