return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP2=FULL/aug-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/aug-cc-pVQZ
 hartrees
Energy at 0K-3071.912038
Energy at 298.15K-3071.917361
HF Energy-3071.030179
Nuclear repulsion energy221.347355
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/aug-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' 3170 3032 2.22      
2 A' 1479 1414 0.15      
3 A' 1271 1216 45.36      
4 A' 793 758 86.44      
5 A' 660 631 14.83      
6 A' 235 225 0.22      
7 A" 3255 3113 2.18      
8 A" 1177 1125 0.00      
9 A" 873 835 2.56      

Unscaled Zero Point Vibrational Energy (zpe) 6456.1 cm-1
Scaled (by 0.9564) Zero Point Vibrational Energy (zpe) 6174.7 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/aug-cc-pVQZ
ABC
1.00157 0.07231 0.06831

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.008 0.000
Br2 0.832 -0.705 0.000
Cl3 -1.751 0.916 0.000
H4 0.318 1.525 0.891
H5 0.318 1.525 -0.891

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.90471.75341.07851.0785
Br21.90473.04972.45612.4561
Cl31.75343.04972.33392.3339
H41.07852.45612.33391.7829
H51.07852.45612.33391.7829

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 112.892 Br2 C1 H4 107.592
Br2 C1 H5 107.592 Cl3 C1 H4 108.651
Cl3 C1 H5 108.651 H4 C1 H5 111.501
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability