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

using model chemistry: MP2=FULL/TZVP

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/TZVP
 hartrees
Energy at 0K-3071.577952
Energy at 298.15K-3071.583259
HF Energy-3070.954163
Nuclear repulsion energy218.091522
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/TZVP
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' 3186 3035 5.80      
2 A' 1479 1409 0.71      
3 A' 1308 1247 75.34      
4 A' 782 745 89.35      
5 A' 634 604 23.48      
6 A' 233 222 0.25      
7 A" 3277 3122 0.10      
8 A" 1181 1125 0.01      
9 A" 874 833 2.61      

Unscaled Zero Point Vibrational Energy (zpe) 6476.6 cm-1
Scaled (by 0.9527) Zero Point Vibrational Energy (zpe) 6170.3 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/TZVP
ABC
0.99490 0.06983 0.06608

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.020 0.000
Br2 0.840 -0.725 0.000
Cl3 -1.769 0.954 0.000
H4 0.328 1.529 0.896
H5 0.328 1.529 -0.896

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.93721.77021.08111.0811
Br21.93723.10292.47912.4791
Cl31.77023.10292.35192.3519
H41.08112.47912.35191.7914
H51.08112.47912.35191.7914

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 113.559 Br2 C1 H4 106.994
Br2 C1 H5 106.994 Cl3 C1 H4 108.727
Cl3 C1 H5 108.727 H4 C1 H5 111.888
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability