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

using model chemistry: B2PLYP=FULLultrafine/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A1
Energy calculated at B2PLYP=FULLultrafine/6-31+G**
 hartrees
Energy at 0K-5219.802323
Energy at 298.15K 
HF Energy-5219.615570
Nuclear repulsion energy427.022532
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 B2PLYP=FULLultrafine/6-31+G**
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 3273 3273 0.30      
2 A1 1645 1645 33.46      
3 A1 1207 1207 1.32      
4 A1 581 581 8.23      
5 A1 103 103 0.04      
6 A2 911 911 0.00      
7 A2 402 402 0.00      
8 B1 704 704 69.90      
9 B2 3251 3251 18.18      
10 B2 1308 1308 48.89      
11 B2 750 750 72.96      
12 B2 478 478 2.78      

Unscaled Zero Point Vibrational Energy (zpe) 7306.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7306.4 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 B2PLYP=FULLultrafine/6-31+G**
ABC
0.28887 0.03330 0.02986

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.666 1.246
C2 0.000 -0.666 1.246
Br3 0.000 1.767 -0.276
Br4 0.000 -1.767 -0.276
H5 0.000 1.213 2.178
H6 0.000 -1.213 2.178

Atom - Atom Distances (Å)
  C1 C2 Br3 Br4 H5 H6
C11.33141.87822.86911.08102.0972
C21.33142.86911.87822.09721.0810
Br31.87822.86913.53322.51563.8599
Br42.86911.87823.53323.85992.5156
H51.08102.09722.51563.85992.4258
H62.09721.08103.85992.51562.4258

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 125.885 C1 C2 H6 120.410
C2 C1 Br3 125.885 C2 C1 H5 120.410
Br3 C1 H5 113.705 Br4 C2 H6 113.705
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability