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

using model chemistry: MP2=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 MP2=FULL/6-311G**
 hartrees
Energy at 0K-5222.976799
Energy at 298.15K-5222.984437
HF Energy-5221.620577
Nuclear repulsion energy428.313407
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/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 3263 3096 0.94      
2 A1 1619 1536 28.18      
3 A1 1201 1139 2.04      
4 A1 608 576 7.34      
5 A1 112 106 0.02      
6 A2 878 833 0.00      
7 A2 372 353 0.00      
8 B1 689 653 68.81      
9 B2 3241 3075 16.19      
10 B2 1301 1235 38.49      
11 B2 787 746 59.37      
12 B2 483 458 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 7276.3 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 6902.3 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/6-311G**
ABC
0.28989 0.03354 0.03006

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.669 1.243
C2 0.000 -0.669 1.243
Br3 0.000 1.760 -0.275
Br4 0.000 -1.760 -0.275
H5 0.000 1.209 2.182
H6 0.000 -1.209 2.182

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.33771.86942.86421.08342.0995
C21.33772.86421.86942.09951.0834
Br31.86942.86423.52012.51833.8538
Br42.86421.86943.52013.85382.5183
H51.08342.09952.51833.85382.4175
H62.09951.08343.85382.51832.4175

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 125.712 C1 C2 H6 119.891
C2 C1 Br3 125.712 C2 C1 H5 119.891
Br3 C1 H5 114.397 Br4 C2 H6 114.397
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability