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All results from a given calculation for CHBrCHBr (Ethene, 1,2-dibromo-, (Z)-)

using model chemistry: MP3=FULL/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at MP3=FULL/6-311G**
 hartrees
Energy at 0K-5222.914292
Energy at 298.15K-5222.921949
HF Energy-5221.621072
Nuclear repulsion energy426.814208
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 MP3=FULL/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3285 3285 1.55      
2 A1 1673 1673 26.27      
3 A1 1216 1216 2.98      
4 A1 601 601 7.02      
5 A1 113 113 0.04      
6 A2 909 909 0.00      
7 A2 376 376 0.00      
8 B1 701 701 66.16      
9 B2 3262 3262 13.69      
10 B2 1322 1322 42.65      
11 B2 787 787 54.78      
12 B2 483 483 1.39      

Unscaled Zero Point Vibrational Energy (zpe) 7363.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7363.7 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 MP3=FULL/6-311G**
ABC
0.28944 0.03323 0.02981

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.666 1.244
C2 0.000 -0.666 1.244
Br3 0.000 1.769 -0.276
Br4 0.000 -1.769 -0.276
H5 0.000 1.208 2.180
H6 0.000 -1.208 2.180

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.33111.87782.86961.08152.0940
C21.33112.86961.87782.09401.0815
Br31.87782.86963.53732.51873.8585
Br42.86961.87783.53733.85852.5187
H51.08152.09402.51873.85852.4154
H62.09401.08153.85852.51872.4154

picture of Ethene, 1,2-dibromo-, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Br4 125.976 C1 C2 H6 120.083
C2 C1 Br3 125.976 C2 C1 H5 120.083
Br3 C1 H5 113.941 Br4 C2 H6 113.941
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability