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All results from a given calculation for CH2BrCl (Methane, bromochloro-)

using model chemistry: MP2=FULL/cc-pVQZ

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/cc-pVQZ
 hartrees
Energy at 0K-3071.897350
Energy at 298.15K-3071.902674
HF Energy-3071.029932
Nuclear repulsion energy221.017324
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/cc-pVQZ
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' 3172 3036 2.61      
2 A' 1475 1411 0.08      
3 A' 1277 1222 45.81      
4 A' 790 756 86.03      
5 A' 658 629 16.97      
6 A' 235 225 0.22      
7 A" 3258 3118 1.66      
8 A" 1179 1129 0.01      
9 A" 878 841 2.52      

Unscaled Zero Point Vibrational Energy (zpe) 6461.0 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 6183.8 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/cc-pVQZ
ABC
0.99794 0.07211 0.06813

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.012 0.000
Br2 0.833 -0.707 0.000
Cl3 -1.752 0.919 0.000
H4 0.318 1.528 0.892
H5 0.318 1.528 -0.892

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.90981.75431.07831.0783
Br21.90983.05352.46052.4605
Cl31.75433.05352.33452.3345
H41.07832.46052.33451.7839
H51.07832.46052.33451.7839

picture of Methane, bromochloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 112.816 Br2 C1 H4 107.578
Br2 C1 H5 107.578 Cl3 C1 H4 108.645
Cl3 C1 H5 108.645 H4 C1 H5 111.620
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability