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

using model chemistry: MP4=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4=FULL/3-21G
 hartrees
Energy at 0K-3056.366005
Energy at 298.15K-3056.371147
HF Energy-3056.150711
Nuclear repulsion energy208.843497
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 MP4=FULL/3-21G
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' 3155 3088        
2 A' 1491 1459        
3 A' 1259 1232        
4 A' 645 631        
5 A' 566 554        
6 A' 205 201        
7 A" 3249 3180        
8 A" 1138 1114        
9 A" 826 809        

Unscaled Zero Point Vibrational Energy (zpe) 6266.9 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 6134.0 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 MP4=FULL/3-21G
ABC
0.88882 0.06401 0.06043

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.062 0.000
Br2 0.910 -0.713 0.000
Cl3 -1.904 0.905 0.000
H4 0.261 1.597 0.910
H5 0.261 1.597 -0.910

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.99491.91091.08711.0871
Br21.99493.24682.56592.5659
Cl31.91093.24682.44852.4485
H41.08712.56592.44851.8199
H51.08712.56592.44851.8199

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 112.439 Br2 C1 H4 109.145
Br2 C1 H5 109.145 Cl3 C1 H4 106.235
Cl3 C1 H5 106.235 H4 C1 H5 113.662
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability